2025 Chevrolet Silverado 1500 service bulletins & manufacturer communications

455 manufacturer communications are on file with NHTSA for the 2025 Chevrolet Silverado 1500. TSBs are repair guidance for dealers — they are not recalls, and repairs are not automatically free.

• This Preliminary information communicates an issue with the SES MIL and DTC P062B and engineering is currently investigating.
  PIT6110K · Technical service bulletin · Unknown OR Other · issued Jul 28, 2026
• This update contains a required software change to help improve the overall software update and diagnostics process. Be sure to install this update to be able to receive future sof…
  N26-F163BX · Technical service bulletin · Unknown OR Other · issued Jul 28, 2026
• Certain vehicles listed above may have a condition in which the vehicle may shift out of park without key fob inside vehicle while in "Protected Idle" Mode. Dealers will update the…
  N252519860 · Service campaign · Unknown OR Other · issued Jul 28, 2026
• This PI communicates diagnostic information to assist Technicians with a possible transmission shudder
  PIP6060A · Technical service bulletin · Unknown OR Other · issued Jul 24, 2026
• This Preliminary information communicates to the technician on the a potential cause for Buzz/rattle/vibration/ from the passenger side when the vehicle is under light load, with a…
  PIT6300C · Technical service bulletin · Unknown OR Other · issued Jul 24, 2026
• This PI Communicates information to ensure Memory Recall is enabled to ensure memory mirrors return to set position after curbview assist is used.
  PIT6446A · Technical service bulletin · Unknown OR Other · issued Jul 24, 2026
• This PI provides information to repair the door water deflector which is not sealed properly allows water into the door jam/sill area.
  PIT5680B · Technical service bulletin · Unknown OR Other · issued Jul 23, 2026
• PI to help diagnose A/C concern
  PIT5099J · Technical service bulletin · Unknown OR Other · issued Jul 21, 2026
• This PI provides diagnostic tips for diagnosing electric trailer brakes issues.
  PIT5509N · Technical service bulletin · Unknown OR Other · issued Jul 21, 2026
• This PI was created to help avoid unnecessary front camera module replacements
  PIT6473F · Technical service bulletin · Unknown OR Other · issued Jul 17, 2026
• This PI provides a diagnostic tip on poor a/c performance due to a condenser issue and instructions to replace the ac condenser.
  PIT5767B · Technical service bulletin · Unknown OR Other · issued Jul 13, 2026
• This PI was created to address an Intermittent Loss of Connectivity, GPS, or Wi-Fi Due to OnStar Module concern.
  PIT6529A · Technical service bulletin · Unknown OR Other · issued Jul 13, 2026
• This PI communications information that Engineering is investigating the Service Driver Assist message with current DTC B1B2F Telematics Control Module and U1624 Image Processing C…
  PIT6455B · Technical service bulletin · Unknown OR Other · issued Jul 13, 2026
• This Preliminary information communicates where to find the back antenna for learning new key fobs.
  PIT6006D · Technical service bulletin · Unknown OR Other · issued Jul 9, 2026
• The purpose of this PI is to inform dealer technicians of a normal cab pressure relief valve noise to avoid unnecessary part replacement
  PIT6532 · Technical service bulletin · Unknown OR Other · issued Jul 6, 2026
• This Preliminary information communicates an issue with the dome light off switch not working after the BCM goes asleep. Advise dealership it is working as designed.
  PIT5910C · Technical service bulletin · Unknown OR Other · issued Jun 29, 2026
• This preliminary information communicates an issue with aftermarket LED lighting causing false front park assist alerts and dealers are to install the factory lighting before perfo…
  PIT6531 · Technical service bulletin · Unknown OR Other · issued Jun 29, 2026
• This preliminary information communicates an issue with a Service Brake system message and DTC C055F due to a low battery condition. Dealer are to inspect the battery, battery conn…
  PIT6476C · Technical service bulletin · Unknown OR Other · issued Jun 29, 2026
• This Preliminary information communicates an issue with an OTA pending message still displayed after an OTA event and how to reset/clear the message.
  PIT5966F · Technical service bulletin · Unknown OR Other · issued Jun 23, 2026
• This PI was created to address an Intermittent Loss of Connectivity, GPS, or Wi-Fi Due to OnStar Module concern.
  PIT6529 · Technical service bulletin · Unknown OR Other · issued Jun 23, 2026
• This PI provides diagnostic steps for dealer technicians to verify the condition and ensure that part replacement is necessary
  PIT6523 · Technical service bulletin · Unknown OR Other · issued Jun 10, 2026
• This PI advises dealers that if the K160 Brake System Control Module sets DTC P0606 along with P0562 and/or P25A2, additional diagnostic aids should be followed before replacing pa…
  PIT6522 · Technical service bulletin · Unknown OR Other · issued Jun 10, 2026
• This Preliminary information communicates an issues with the HVAC making a hum buzz noise when the blower is set to a higher speed. Engineering is working on a new HVAC door seal m…
  PIT6132E · Technical service bulletin · Unknown OR Other · issued Jun 9, 2026
• This preliminary PI was created to advise techniians in the field that they will not be able to perform a GDS automated bleed with the scan tool dues to a issue with the software i…
  PIT6477C · Technical service bulletin · Unknown OR Other · issued Jun 5, 2026
• This Preliminary information communicates that the inner tailgate cannot be disabled if the vehicle is not equipped with passive entry.
  PIT6054D · Technical service bulletin · Unknown OR Other · issued Jun 5, 2026
• This preliminary information is to inform technicians that GM is placing the B174W Front View Camera Module (ACP2) on part restriction due to elevated replacement rates and ongoing…
  PIT6503A · Technical service bulletin · Unknown OR Other · issued Jun 3, 2026
• This Preliminary information communicates recovery procedure after return to dealer message.
  PIT6209K · Technical service bulletin · Unknown OR Other · issued May 29, 2026
• A dealer may encounter multiple DTCs when a B65 Manifold Absolute Pressure/Intake Air Temperature Sensor fails. Diagnostics may be misleading but if the Fuel Rail Temperature has t…
  PIP6119 · Technical service bulletin · Unknown OR Other · issued May 27, 2026
• This preliminary information is to inform technicians and customers that the voice command will be inoperative when trying to open applications. Engineering is investigating and th…
  PIT6519 · Technical service bulletin · Unknown OR Other · issued May 27, 2026
• The document advise technicians after an engine repair involving removal of the camshaft actuators, the vehicle may set p1101 P0172 and or stalls when taken off idle. The technicia…
  PIP6115 · Technical service bulletin · Unknown OR Other · issued May 21, 2026
• This Preliminary information communicates to dealers steps to follow to obtain an IOK radio.
  PIC6602X · Technical service bulletin · Unknown OR Other · issued May 19, 2026
• This Preliminary information communicates recovery procedure after return to dealer message.
  PIT6209J · Technical service bulletin · Unknown OR Other · issued May 15, 2026
• This Preliminary information communicates to dealers a procedure to reset the radio.
  PIC6540J · Technical service bulletin · Unknown OR Other · issued May 14, 2026
• This Preliminary Information communicates direction for different audio issues with RPO UQA, UQF, UQS, or NKD
  PIT6406K · Technical service bulletin · Unknown OR Other · issued May 14, 2026
• This Preliminary Information is to inform customers to follow diagnostics if resetting, disconnecting the module did not correct it.
  PIT6393L · Technical service bulletin · Unknown OR Other · issued May 14, 2026
• This PI provides diagnostic tips for diagnosing electric trailer brakes issues.
  PIT5509M · Technical service bulletin · Unknown OR Other · issued May 14, 2026
• This preliminary information communicates an issue with a Service Brake system message and DTC C055F due to a low battery condition. Dealer are to inspect the battery, battery conn…
  PIT6476B · Technical service bulletin · Unknown OR Other · issued May 14, 2026
• The document makes technicians aware of a valvetrain tick noise that is created by one or more soft hydraulic valve lash adjusters. The soft lash adjuster concern is due to debris …
  PIP6101B · Technical service bulletin · Unknown OR Other · issued May 11, 2026
• This PI states that if SDGM DTC U3000 Sym 49 is set and no other SDGM DTCs are present, clear DTCs and reset the SDGM. Advises of how to contact PQC to authorize SDGM replacement.
  PIT6513 · Technical service bulletin · Unknown OR Other · issued May 11, 2026
• This PI states that if SDGM DTC P0604/P0607 is set and no other SDGM DTCs are present, clear DTCs and reset the SDGM. Advises of how to contact PQC to authorize SDGM replacement.
  PIT6512 · Technical service bulletin · Unknown OR Other · issued May 11, 2026
• This Preliminary information communicates to dealers a procedure to reset the radio.
  PIC6540H · Technical service bulletin · Unknown OR Other · issued May 11, 2026
• Pi created to provide GM dealers with information on gathering information for projection issue
  PIC6423A · Technical service bulletin · Unknown OR Other · issued May 11, 2026
• This Preliminary information communicates to dealer to perform a MEC reset for wireless projection issues
  PIC6551B · Technical service bulletin · Unknown OR Other · issued May 11, 2026
• This PI provide diagnostic tip for an SES MIL with DTC P16A7 and/or P16AF. Dealers are to inspect for a loose connection.
  PIT5687B · Technical service bulletin · Unknown OR Other · issued May 8, 2026
• PI created to provide dealer technicians with procedures for updating Google Maps.
  PIT6193B · Technical service bulletin · Unknown OR Other · issued May 8, 2026
• This Preliminary information communicates to dealers steps to follow to recover an IOK radio.
  PIC6630B · Technical service bulletin · Unknown OR Other · issued May 8, 2026
• This PI is to instruct dealer on diagnostic procedures that need to be completed prior to replacing a radio or IPC display
  PIC6629E · Technical service bulletin · Unknown OR Other · issued May 8, 2026
• This Preliminary information communicates to dealers steps to follow to obtain an IOK radio.
  PIC6602W · Technical service bulletin · Unknown OR Other · issued May 6, 2026
• This Preliminary information communicates to dealership technicians to perform the reset for the 2 modules noted above.
  PIC6566C · Technical service bulletin · Unknown OR Other · issued May 6, 2026
• This PI communications information that Engineering is investigating the Service Driver Assist message with current DTC B1B2F Telematics Control Module and U1624 Image Processing C…
  PIT6455A · Technical service bulletin · Unknown OR Other · issued May 4, 2026
• This Preliminary information communicates to dealers steps to follow to obtain an IOK radio.
  PIC6602V · Technical service bulletin · Unknown OR Other · issued May 4, 2026
• This Preliminary Information communicates direction for different audio issues with RPO UQA, UQF, UQS, or NKD
  PIT6406H · Technical service bulletin · Unknown OR Other · issued May 4, 2026
• This Preliminary information communicates direction to find information at www.gmupfitter.com for Police and Special Service Vehicles.
  PIT6247B · Technical service bulletin · Unknown OR Other · issued May 4, 2026
• This Preliminary information communicates to dealers a procedure to reset the radio.
  PIC6540G · Technical service bulletin · Unknown OR Other · issued Apr 30, 2026
• This Preliminary information communicates to dealers a procedure to reset the radio.
  PIC6540G · Technical service bulletin · Unknown OR Other · issued Apr 30, 2026
• This Preliminary information communicates to dealers steps to follow to obtain an IOK radio.
  PIC6602U · Technical service bulletin · Unknown OR Other · issued Apr 30, 2026
• This Preliminary Information is to inform customers to follow diagnostics if resetting, disconnecting the module did not correct it.
  PIT6393K · Technical service bulletin · Unknown OR Other · issued Apr 28, 2026
• This Preliminary information communicates an issue with a replace or low FOB battery message
  PIT6511 · Technical service bulletin · Unknown OR Other · issued Apr 25, 2026
• This Preliminary Information communicates direction for different audio issues with RPO UQA, UQF, UQS, or NKD
  PIT6406G · Technical service bulletin · Unknown OR Other · issued Apr 24, 2026
• This PI is to instruct dealer on diagnostic procedures that need to be completed prior to replacing a radio or IPC display
  PIC6629D · Technical service bulletin · Unknown OR Other · issued Apr 23, 2026
• This Preliminary information communicates how to change a regular vehicle to fleet mode that was not built with the option.
  PIT6017B · Technical service bulletin · Unknown OR Other · issued Apr 22, 2026
• This is a diagnostic PI to assist on a repair to fix a concern for the HVAC temperature doors binding at times
  PIT6452D · Technical service bulletin · Unknown OR Other · issued Apr 21, 2026
• This preliminary information is to inform technicians that GM is placing the B174W Front View Camera Module (ACP2) on part restriction due to elevated replacement rates and ongoing…
  PIT6503 · Technical service bulletin · Unknown OR Other · issued Apr 14, 2026
• This Preliminary information communicates that some customers may comment that after an auto-stop event the engine does not restart and to inspect the engine ground strap. Temporar…
  PIT5689N · Technical service bulletin · Unknown OR Other · issued Apr 13, 2026
• This preliminary information communicates information about how to determine if a wheel and tires size change is available.
  PIT3271Q · Technical service bulletin · Unknown OR Other · issued Apr 1, 2026
• • Fixes to help prevent false Service Driver Assist System messages. • Improvements to connectivity for OnStar.
  661.10 · Technical service bulletin · Unknown OR Other · issued Mar 28, 2026
• This preliminary information communicates an issue with a Service Brake system message and DTC C055F due to a low battery condition. Dealer are to inspect the battery, battery conn…
  PIT6476A · Technical service bulletin · Unknown OR Other · issued Mar 26, 2026
• This PI was created to help avoid unnecessary front camera module replacements
  PIT6473E · Technical service bulletin · Unknown OR Other · issued Mar 24, 2026
• This Preliminary information communicates how the left lower corner of the DIC is dual purpose and when vehicle is first started it displays the rear passenger seatbelt indicators …
  PIT6244A · Technical service bulletin · Unknown OR Other · issued Mar 23, 2026
• This PI was created to help avoid unnecessary front camera module replacements
  PIT6473D · Technical service bulletin · Unknown OR Other · issued Mar 13, 2026
• This PI was created to help avoid unnecessary front camera module replacements
  PIT6473C · Technical service bulletin · Unknown OR Other · issued Mar 12, 2026
• This Preliminary Information communicates direction for different audio issues with RPO UQA, UQF, UQS, or NKD
  PIT6473B · Technical service bulletin · Unknown OR Other · issued Mar 9, 2026
• This Preliminary Information communicates direction for different audio issues with RPO UQA, UQF, UQS, or NKD
  PIT6406F · Technical service bulletin · Unknown OR Other · issued Mar 9, 2026
• This Preliminary information communicates an issue with the SES MIL and DTC P062B and engineering is currently investigating.
  PIT6110J · Technical service bulletin · Unknown OR Other · issued Mar 9, 2026
• This Preliminary information communicates the steps on how to save a GDS2 Session Log and upload to a Technical Assistance Case in CX Connect.
  PIP6104 · Technical service bulletin · Unknown OR Other · issued Mar 9, 2026
• This preliminary information advises a dealer on how to email GDS2 session logs into Technical Assistance.
  PIP4902V · Technical service bulletin · Unknown OR Other · issued Mar 9, 2026
• This Preliminary information communicates to dealers steps to follow to obtain an IOK radio.
  PIC6602T · Technical service bulletin · Unknown OR Other · issued Mar 6, 2026
• This PI is to instruct dealer on diagnostic procedures that need to be completed prior to replacing a radio or IPC display
  PIC6629C · Technical service bulletin · Unknown OR Other · issued Mar 5, 2026
• The document makes technicians aware of a valvetrain tick noise that is created by one or more soft hydraulic valve lash adjusters. The soft lash adjuster concern is due to debris …
  PIP6101A · Technical service bulletin · Unknown OR Other · issued Mar 3, 2026
• This PI communicates information informing dealers that Engineering is aware of the clunk noise and is currently investigating a root cause.
  PIT6209H · Technical service bulletin · Unknown OR Other · issued Mar 2, 2026
• This Preliminary information communicates to the field on how to diagnosis a GPS issue with the Telematic module with no DTC'ss
  PIT6425D · Technical service bulletin · Unknown OR Other · issued Mar 2, 2026
• This Preliminary information communicates to dealers steps to follow to obtain an IOK radio.
  PIC6602S · Technical service bulletin · Unknown OR Other · issued Feb 27, 2026
• This Preliminary information communication provides information to the technician on installing Regular Production Option Code UVC Rearview Camera. Technician will need to referenc…
  PIT5697E · Technical service bulletin · Unknown OR Other · issued Feb 26, 2026
• This Preliminary information communicates information on how to disable the Side Blind Zone Detection and Park Assist systems when a customer removes the pickup box from the vehicl…
  PIT5744F · Technical service bulletin · Unknown OR Other · issued Feb 26, 2026
• This Preliminary information communicates to the technician on the a potential cause for Buzz/rattle/vibration from the passenger side when the vehicle is under light load, with a …
  PIT6300B · Technical service bulletin · Unknown OR Other · issued Feb 20, 2026
• This PI addresses certain trailering features that may fail to calibrate due to a software issue within the video processing module. To resolve this condition, dealerships are to r…
  PIT6060B · Technical service bulletin · Unknown OR Other · issued Feb 20, 2026
• PI to explain normal operation for a concern that the outside rearview mirrors may not fold when the doors are locked, due to the personalization settings for Auto Door Unlocking.
  PIT6415A · Technical service bulletin · Unknown OR Other · issued Feb 19, 2026
• This Preliminary information communicates the possibility of DTC P30BF failing on low mile vehicles due to the possibility of the cylinder 1/2 sliding barrel binding on intake cams…
  PIP5865L · Technical service bulletin · Unknown OR Other · issued Feb 12, 2026
• This Preliminary information communicates information to direct to GM Upfitter bulletin 193 or 205 depending on trim level for installation instructions for the 9L7 Upfitter Switch…
  PIT6120C · Technical service bulletin · Unknown OR Other · issued Feb 12, 2026
• The document makes technicians aware of a valvetrain tick noise that is created by one or more soft lifters. The soft lifter concern is due to manufacturing debris within the lifte…
  PIP6101 · Technical service bulletin · Unknown OR Other · issued Feb 7, 2026
• This is a diagnostic PI to assist on a repair to fix a concern for the HVAC temperature doors binding at times
  PIT6452C · Technical service bulletin · Unknown OR Other · issued Feb 7, 2026
• This Preliminary information communicates to dealers steps to follow to obtain an IOK radio.
  PIC6602R · Technical service bulletin · Unknown OR Other · issued Feb 7, 2026
• This preliminary information communicates an issue with the key fob buttons inoperative and how to resync the fobs back to the vehicle.
  PIT6456C · Technical service bulletin · Unknown OR Other · issued Feb 3, 2026
• This Preliminary information communicates the possibility of DTC P30BF failing on low mile vehicles due to the possibility of the cylinder 1/2 sliding barrel binding on intake cams…
  PIP5865K · Technical service bulletin · Unknown OR Other · issued Jan 29, 2026
• This Preliminary information communicates to dealer to contact TAC for a specific display issue.
  PIC6591D · Technical service bulletin · Unknown OR Other · issued Jan 29, 2026
• This preliminary information communicates an issue with the key fob buttons inoperative and how to resync the fobs back to the vehicle.
  PIT6456B · Technical service bulletin · Unknown OR Other · issued Jan 29, 2026
• This PI provides diagnostics tips to dealership techs when trying to diagnose a CAN Bus communication issue after an event like a lightning strike, battery jump started backwards, …
  PIT5985K · Technical service bulletin · Unknown OR Other · issued Jan 27, 2026
• This preliminary information communicates an issue with a Service Brake system message and DTC C055F due to a low battery condition. Dealer are to inspect the battery, battery conn…
  PIT6476 · Technical service bulletin · Unknown OR Other · issued Jan 26, 2026
• This Preliminary information communicates to the field about The NFC key card not being available on the listed models listed in the PI
  PIT6475 · Technical service bulletin · Unknown OR Other · issued Jan 23, 2026
• This Preliminary information communicates a issue where the park assist module can set current communication dtc's due to a timing issue and it may have nothing related to the cust…
  PIT5907E · Technical service bulletin · Unknown OR Other · issued Jan 23, 2026
• This Preliminary Information communicates direction for different audio issues with RPO UQA, UQF, UQS, or NKD
  PIT6406E · Technical service bulletin · Unknown OR Other · issued Jan 21, 2026
• This preliminary information communicates an issue with the key fob buttons inoperative and how to resync the fobs back to the vehicle.
  PIT6456A · Technical service bulletin · Unknown OR Other · issued Jan 20, 2026
• This PI Communications information on an alternative product dealers can use to perform 19-NA-255: Wax Coating on Frame Peeling, Metal Shows Corrosion/Rusting due to issue with get…
  PIT6400A · Technical service bulletin · Unknown OR Other · issued Jan 16, 2026
• This Preliminary information communicates to the field on how to diagnosis a GPS issue with the Telematic module with no DTC's
  PIT6425C · Technical service bulletin · Unknown OR Other · issued Jan 16, 2026
• This is a diagnostic PI to assist on a repair to fix a concern for the HVAC temperature doors binding at times
  PIT6452B · Technical service bulletin · Unknown OR Other · issued Jan 16, 2026
• This Preliminary information communicates the possibility of injector related DTC's with malfunction indicator lamp on and potential rough idle
  PIP6023D · Technical service bulletin · Unknown OR Other · issued Jan 16, 2026
• This Preliminary information communicates an issue with blower motor speed changing when air flow is blocked by snow.
  PIT6344A · Technical service bulletin · Unknown OR Other · issued Jan 15, 2026
• Service Update. Certain vehicles listed above may have a condition where the front upper control arm ball stud nut may be loose or missing. Dealers will inspect, and if necessary, …
  N252536640 · Service campaign · Unknown OR Other · issued Jan 15, 2026
• This PI advised dealer technicians of possible causes of diesel fuel contamination in gasoline powered vehicles and advises of warranty direction.
  PIP6098 · Technical service bulletin · Unknown OR Other · issued Jan 14, 2026
• This preliminary information is for technicians that may see DTCs that are history and should not perform any part replacements. They should follow the notes mentioned prior to any…
  PIT6457B · Technical service bulletin · Unknown OR Other · issued Jan 12, 2026
• This Preliminary information communicates to dealership technicians to perform the reset for the 2 modules noted above.
  PIC6566B · Technical service bulletin · Unknown OR Other · issued Jan 10, 2026
• This preliminary information advises a dealer on how to email GDS2 session logs into Technical Assistance.
  PIP4902U · Technical service bulletin · Unknown OR Other · issued Jan 8, 2026
• This Preliminary Information communication provides information to the technician about customers that may request the factory Integrated Trailer Brake Controller Regular Productio…
  PIT5828E · Technical service bulletin · Unknown OR Other · issued Jan 7, 2026
• This Preliminary information communicates information to direct the dealer or upfitter to GM Upfitter Bulletin 203 for information on installing the Universal Vehicle Module.
  PIT6315A · Technical service bulletin · Unknown OR Other · issued Jan 7, 2026
• This Preliminary information communicates an issue with a service keyless entry message caused by aftermarket door handle covers and they should be removed.
  PIT6276B · Technical service bulletin · Unknown OR Other · issued Jan 5, 2026
• This Preliminary information communicates to dealers a procedure to reset the radio.
  PIC6540F · Technical service bulletin · Unknown OR Other · issued Dec 31, 2025
• This Preliminary information communicates that some customers may comment that after an auto-stop event the engine does not restart and to inspect the engine ground strap. Temporar…
  PIT5689M · Technical service bulletin · Unknown OR Other · issued Dec 30, 2025
• This preliminary information advises dealers that Engine Control Module designation E01 is on a ordering restriction through technical assistance.
  PIP6092A · Technical service bulletin · Unknown OR Other · issued Dec 17, 2025
• This Preliminary Information communication advises technicians to inspect for, and if necessary, repair harness damage caused by possible contact with the EGR cooler outlet pipe or…
  PIP6064A · Technical service bulletin · Unknown OR Other · issued Dec 15, 2025
• This preliminary information is for technicians that may see DTCs that are history and should not perform any part replacements. They should follow the notes mentioned prior to any…
  PIT6457A · Technical service bulletin · Unknown OR Other · issued Dec 12, 2025
• This PI is to instruct dealer on diagnostic procedures that need to be completed prior to replacing a radio or IPC display
  PIC6629B · Technical service bulletin · Unknown OR Other · issued Dec 12, 2025
• This Preliminary Information is to inform customers to follow diagnostics if resetting, disconnecting the module did not correct it. It also informs them to follow the bulletins as…
  PIT6393G · Technical service bulletin · Unknown OR Other · issued Dec 5, 2025
• This Preliminary information communicates the Heavy Fuel Usage message in the DIC is normal due to low fuel range and current driving habits, or low fuel range and vehicle is idlin…
  PIT6224B · Technical service bulletin · Unknown OR Other · issued Dec 4, 2025
• This Preliminary information communicates to dealers steps to follow to obtain an IOK radio.
  PIC6602Q · Technical service bulletin · Unknown OR Other · issued Dec 2, 2025
• This Preliminary information communicates to dealers steps to follow to recover an IOK radio.
  PIC6630A · Technical service bulletin · Unknown OR Other · issued Dec 2, 2025
• This Preliminary information communicates an issues with the HVAC making a hum buzz noise when the blower is set to a higher speed. Engineering is working on a new HVAC door seal m…
  PIT6132D · Technical service bulletin · Unknown OR Other · issued Nov 26, 2025
• This Preliminary information communicates to dealers steps to follow to recover an IOK radio.
  PIC6630 · Technical service bulletin · Unknown OR Other · issued Nov 26, 2025
• This preliminary information is for technicians that may see DTCs that are history and should not perform any part replacements. They should follow the notes mentioned prior to any…
  PIT6457 · Technical service bulletin · Unknown OR Other · issued Nov 25, 2025
• This preliminary information communicates an issue with the key fob buttons inoperative and how to resync the fobs back to the vehicle.
  PIT6456 · Technical service bulletin · Unknown OR Other · issued Nov 24, 2025
• This Preliminary Information communication provides information to the technician about vehicles that have had multiple repair attempts that are being performed on customer’s vehic…
  PIT5214G · Technical service bulletin · Unknown OR Other · issued Nov 20, 2025
• This Preliminary Information communicates direction for different audio issues with RPO UQA, UQF, UQS, or NKD
  PIT6406D · Technical service bulletin · Unknown OR Other · issued Nov 20, 2025
• This PI communications information that Engineering is investigating the Service Driver Assist message with current DTC B1B2F Telematics Control Module and U1624 Image Processing C…
  PIT6455 · Technical service bulletin · Unknown OR Other · issued Nov 20, 2025
• This preliminary information advises dealers that Engine Control Module designation E01 is on a ordering restriction through technical assistance.
  PIP6092 · Technical service bulletin · Unknown OR Other · issued Nov 19, 2025
• This Preliminary information communicates to dealers steps to follow to obtain an IOK radio.
  PIC6602P · Technical service bulletin · Unknown OR Other · issued Nov 18, 2025
• Certain vehicles listed above may have a condition in which the jack kit lifting rod is out of specification. Dealers will replace the jack handle components.
  N252507990 · Service campaign · Unknown OR Other · issued Nov 18, 2025
• This is a diagnostic PI to assist on a repair to fix a concern for the HVAC temperature doors binding at times
  PIT6452A · Technical service bulletin · Unknown OR Other · issued Nov 13, 2025
• This PI is to instruct dealer on diagnostic procedures that need to be completed prior to replacing a radio or IPC display
  PIC6629A · Technical service bulletin · Unknown OR Other · issued Nov 13, 2025
• This is a diagnostic PI to assist on a repair to fix a concern for the HVAC temperature doors binding at times
  PIT6452 · Technical service bulletin · Unknown OR Other · issued Nov 12, 2025
• This Preliminary information communicates to dealers steps to follow to obtain an IOK radio.
  PIC6602N · Technical service bulletin · Unknown OR Other · issued Nov 11, 2025
• This PI is to instruct dealer on diagnostic procedures that need to be completed prior to replacing a radio or IPC display
  PIC6629 · Technical service bulletin · Unknown OR Other · issued Nov 11, 2025
• This Preliminary information communicates the possibility of DTC P30BF failing on low mile vehicles due to the possibility of the cylinder 1/2 sliding barrel binding on intake cams…
  PIP5865J · Technical service bulletin · Unknown OR Other · issued Nov 7, 2025
• This PI Communicates information to ensure Memory Recall is enabled to ensure memory mirrors return to set position after curbview assist is used.
  PIT6446 · Technical service bulletin · Unknown OR Other · issued Nov 3, 2025
• PI created to inform customers and dealers of a normal operating characteristic
  PIT6449 · Technical service bulletin · Unknown OR Other · issued Oct 31, 2025
• This Preliminary Information communicates direction for different audio issues with RPO UQA, UQF, UQS, or NKD
  PIT6406C · Technical service bulletin · Unknown OR Other · issued Oct 31, 2025
• PIP6091 was created to advise technicians engineering is aware of a misfire during a passing maneuver is being investigated.
  PIP6091 · Technical service bulletin · Unknown OR Other · issued Oct 30, 2025
• This PI Communicates information to ensure Memory Recall is enabled to ensure memory mirrors return to set position after curbview assist is used.
  PIT6446 · Technical service bulletin · Unknown OR Other · issued Oct 29, 2025
• This Preliminary information communicates to dealers steps to follow to obtain an IOK radio.
  PIC6602M · Technical service bulletin · Unknown OR Other · issued Oct 23, 2025
• This Preliminary information communicates an issues with the HVAC making a hum buzz noise when the blower is set to a higher speed. Engineering is working on a new HVAC door seal m…
  PIT6132C · Technical service bulletin · Unknown OR Other · issued Oct 22, 2025
• This update contains a required software change to help improve the overall software update and diagnostics process. Be sure to install this update to be able to receive future sof…
  N25-F163BU · Technical service bulletin · Unknown OR Other · issued Oct 22, 2025
• This Preliminary information communicates to dealer to contact TAC for a specific display issue.
  PIC6591C · Technical service bulletin · Unknown OR Other · issued Oct 21, 2025
• This preliminary information communicates an issue with the battery going dead due to the tailgate release switch and dealerships are to replace the switch.
  PIT6435 · Technical service bulletin · Unknown OR Other · issued Oct 20, 2025
• This Preliminary information communicates to dealers steps to follow to obtain an IOK radio.
  PIC6602L · Technical service bulletin · Unknown OR Other · issued Oct 18, 2025
• This Preliminary information communicates to the field on how to diagnosis a GPS issue with the Telematic module with no DTC's
  PIT6425B · Technical service bulletin · Unknown OR Other · issued Oct 18, 2025
• This Preliminary information communicates to the field on how to diagnosis a GPS issue with the Telematic module with no DTC's
  PIT6425A · Technical service bulletin · Unknown OR Other · issued Oct 17, 2025
• This Preliminary information communicates to dealer to perform a MEC reset for wireless projection issues
  PIC6551A · Technical service bulletin · Unknown OR Other · issued Oct 16, 2025
• This preliminary information communicates an issue with the battery going dead due to the tailgate release switch and dealerships are to replace the switch.
  PIT6435 · Technical service bulletin · Unknown OR Other · issued Oct 14, 2025
• This Preliminary information communicates to dealers that these programing concerns are being looked into.
  PIT6443 · Technical service bulletin · Unknown OR Other · issued Oct 14, 2025
• Certain vehicles, equipped with 8L80 or 8L90 Transmissions, may have a condition in which the reaction carrier cracks. Dealers are to replace the reaction carrier.
  N252517790 · Service campaign · Power Train · issued Oct 14, 2025
• This Preliminary information communicates to dealers steps to follow to obtain an IOK radio.
  PIC6602K · Technical service bulletin · Unknown OR Other · issued Oct 9, 2025
• This Preliminary Information communicates direction for different audio issues with RPO UQA, UQF, UQS, or NKD
  PIT6406B · Technical service bulletin · Unknown OR Other · issued Oct 7, 2025
• The Driver Information Center may display a message of Transport Mode On after the ignition is cycled.
  PIT6440 · Technical service bulletin · Unknown OR Other · issued Oct 4, 2025
• This preliminary information advises dealers that Engine Control Module designation E90 is on a ordering restriction through technical assistance.
  PIP6068C · Technical service bulletin · Unknown OR Other · issued Oct 1, 2025
• This preliminary information communicates an issue with the battery going dead due to the tailgate release switch and dealerships are to replace the switch.
  PIT6435 · Technical service bulletin · Unknown OR Other · issued Sep 15, 2025
• This Preliminary Information communication provides information to the technician about fluid leaking from the brake caliper piston area found during a service of the vehicle. The …
  PIT5479H · Technical service bulletin · Unknown OR Other · issued Sep 9, 2025
• This preliminary information communicates an issue with an SES MIL and reduced power steering, and brake assist that engineering is working on a fix.
  PIT6432 · Technical service bulletin · Unknown OR Other · issued Sep 9, 2025
• New Vehicle Monitoring Programs Section in IVH
  13598 · Technical service bulletin · Unknown OR Other · issued Sep 9, 2025
• This Preliminary information communicates the possibility of DTC P30BF failing on low mile vehicles due to the possibility of the cylinder 1/2 sliding barrel binding on intake cams…
  PIP5865H · Technical service bulletin · Unknown OR Other · issued Sep 8, 2025
• This Preliminary information communicates information to inform dealer there is a check valve in the washer fluid hose that connects to the washer pump.
  PIT6053C · Technical service bulletin · Unknown OR Other · issued Sep 8, 2025
• This technical bulletin provides a procedure to replace the camshaft actuator magnet to correct customer concerns of engine related shudder.
  22-NA-080 · Technical service bulletin · Engine · issued Sep 6, 2025
• This service bulletin provides a repair procedure to correct a customer concern of Loss of Air Conditioning, Weak Cooling, and/or Warm Air Coming from Vents.
  25-NA-170 · Technical service bulletin · Engine · issued Sep 3, 2025
• This Preliminary information communicates the possibility of DTC P30BF failing on low mile vehicles due to the possibility of the cylinder 1/2 sliding barrel binding on intake cams…
  PIP5865G · Technical service bulletin · Unknown OR Other · issued Aug 22, 2025
• This preliminary information advises dealers that Engine Control Module designation E90 is on a ordering restriction through technical assistance.
  PIP6068A · Technical service bulletin · Unknown OR Other · issued Aug 19, 2025
• This Preliminary information communicates a new tailgate feature which allows the customer to enable or disable the inner tailgate.
  PIT5895E · Technical service bulletin · Unknown OR Other · issued Aug 15, 2025
• This Preliminary information communicates the possibility of DTC P30BF failing on low mile vehicles due to the possibility of the cylinder 1/2 sliding barrel binding on intake cams…
  PIP5865F · Technical service bulletin · Unknown OR Other · issued Aug 15, 2025
• This Preliminary information communicates an issue with the SES MIL and DTC P062B and engineering is currently investigating.
  PIT6110H · Technical service bulletin · Unknown OR Other · issued Aug 15, 2025
• This Preliminary information communicates to dealers steps to follow to obtain an IOK radio.
  PIC6602H · Technical service bulletin · Unknown OR Other · issued Aug 15, 2025
• This preliminary information advises a dealer on how to email GDS2 session logs into Technical Assistance.
  PIP4902T · Technical service bulletin · Unknown OR Other · issued Aug 14, 2025
• This Preliminary information communicates an issue with super cruise unavailable due to the driver's monitoring camera and dealers to replace the camera.
  PIT6059C · Technical service bulletin · Unknown OR Other · issued Aug 8, 2025
• This Preliminary Information communication provides information to the technician about vehicles that have an intermittent no crank, no start, or start stall concern with the secur…
  PIC5650M · Technical service bulletin · Unknown OR Other · issued Aug 7, 2025
• This Preliminary information communicates direction to find information at www.gmupfitter.com for Police and Special Service Vehicles.
  PIT6247A · Technical service bulletin · Unknown OR Other · issued Aug 5, 2025
• This Preliminary information communicates where to find the back antenna for learning new key fobs.
  PIT6006C · Technical service bulletin · Unknown OR Other · issued Aug 5, 2025
• This Preliminary Information communication provides information to the technician about vehicles that may have a bump feel or clunk noise at a stop or on launch. Dealer should comm…
  PIT5161L · Technical service bulletin · Unknown OR Other · issued Jul 31, 2025
• This Preliminary information communicates to dealers steps to follow to obtain an IOK radio.
  PIC6602G · Technical service bulletin · Unknown OR Other · issued Jul 30, 2025
• This Preliminary information communicates an issue with the Hydrastar Electric Over Hydraulic trailer brake system causing a voltage spike into the trucks electrical system which i…
  PIT6212D · Technical service bulletin · Unknown OR Other · issued Jul 29, 2025
• This Preliminary information communicates the possibility of DTC P30BF failing on low mile vehicles due to the possibility of the cylinder 1/2 sliding barrel binding on intake cams…
  PIP5865E · Technical service bulletin · Unknown OR Other · issued Jul 28, 2025
• This Preliminary information communicates the possibility of injector related DTC's with malfunction indicator lamp on and potential rough idle
  PIP6023C · Technical service bulletin · Unknown OR Other · issued Jul 24, 2025
• This Preliminary information communicates to dealers steps to follow to obtain an IOK radio.
  PIC6602F · Technical service bulletin · Unknown OR Other · issued Jul 24, 2025
• Customer Satisfaction Program. Certain vehicles listed above were built without proper programming keys written into the radio. Dealers will replace and reprogram the radio.
  N252504660 · Service campaign · Unknown OR Other · issued Jul 21, 2025
• This PI communicates the requirement to provide a pico file to receive diagnostic assistance from TAC.
  PIP5601C · Technical service bulletin · Unknown OR Other · issued Jul 18, 2025
• This PI communicates the requirement to provide a pico file to receive diagnostic assistance from TAC.
  PIP5601B · Technical service bulletin · Unknown OR Other · issued Jul 18, 2025
• This Preliminary information communicates A vehicle may have a concern of any of the following DTC's set P3189 P318A P318B P318C P318D P318E P318F P3190. Informs dealer to perform …
  PIP5774B · Technical service bulletin · Unknown OR Other · issued Jul 17, 2025
• This Preliminary Information communication provides information to the technician about the use of J-35616-64B and Mini 50 terminal test probe, replacement terminals, and terminate…
  PIT5074S · Technical service bulletin · Unknown OR Other · issued Jul 16, 2025
• • Updates to reduce erroneous engine alerts. • Improvements to accuracy of alerts. During the update process, your radio may stay on up to 5 minutes after you exit the vehicle. Thi…
  N25-250307 · Technical service bulletin · Unknown OR Other · issued Jul 8, 2025
• • Improves Check Engine Light accuracy. • Improves behavior of aero shutter system in freezing temperatures. During the update process, your radio may stay on up to 5 minutes after…
  N25-250403 · Technical service bulletin · Unknown OR Other · issued Jul 7, 2025
• This Preliminary Information communicates direction for different audio issues with RPO UQA, UQF, UQS, or NKD
  PIT6406 · Technical service bulletin · Unknown OR Other · issued Jun 30, 2025
• This Preliminary information communicates to dealers steps to follow to obtain an IOK radio.
  PIC6602E · Technical service bulletin · Unknown OR Other · issued Jun 30, 2025
• This Preliminary information communicates Engineering is investigating a no audio issue.
  PIT6101S · Technical service bulletin · Unknown OR Other · issued Jun 29, 2025
• Pi was created to advise dealers of an issue GM Engineering is investigating where the mute and home buttons are inop on radio display
  PIT6408 · Technical service bulletin · Unknown OR Other · issued Jun 28, 2025
• This Preliminary information communicates a diagnostic tip on how to resolve a issue if the serial data authentication configuration did not complete correctly.
  PIT5832V · Technical service bulletin · Unknown OR Other · issued Jun 26, 2025
• Customer Satisfaction Program. Certain vehicles listed above may have improper lubrication of the rear axle assembly. Dealers will replace the rear axle.
  N252508800 · Service campaign · Suspension · issued Jun 24, 2025
• This Preliminary information communicates to dealers steps to follow to obtain an IOK radio.
  PIC6602D · Technical service bulletin · Unknown OR Other · issued Jun 20, 2025
• Amendments to the Song-Beverly Act (SBA) California warranty law provides vehicle owners with an opportunity to submit a written notice to GM before filing a lawsuit seeking a vehi…
  N252494770-01 · Service campaign · Unknown OR Other · issued Jun 20, 2025
• This Preliminary information communicates a diagnostic tip on how to resolve a issue of the horn sounding when vehicle doors are being closed and the key in vehicle reminder set to…
  PIT6401 · Technical service bulletin · Unknown OR Other · issued Jun 19, 2025
• This Preliminary information communicates an issue with unwanted opening of the sunroof and dealership are to replace the overhead console.
  PIT6336B · Technical service bulletin · Unknown OR Other · issued Jun 19, 2025
• This preliminary information advises dealers of a potential ignition coil failure that could cause an engine misfire that could be misdiagnosed as a fuel injector.
  PIP6073 · Technical service bulletin · Unknown OR Other · issued Jun 19, 2025
• This PI communicates a procedure to clean oil leaking from the rain sensor.
  PIC6086J · Technical service bulletin · Unknown OR Other · issued Jun 18, 2025
• This PI Communications information on an alternative product dealers can use to perform 19-NA-255: Wax Coating on Frame Peeling, Metal Shows Corrosion/Rusting due to issue with get…
  PIT6400 · Technical service bulletin · Unknown OR Other · issued Jun 17, 2025
• Updated message, additional 2025 model year VINs added to population.
  N242452140-01 · Service campaign · Unknown OR Other · issued Jun 17, 2025
• Amendments to the Song-Beverly Act (SBA) California warranty law provides vehicle owners with an opportunity to submit a written notice to GM before filing a lawsuit seeking a vehi…
  N252494770 · Service campaign · Unknown OR Other · issued Jun 17, 2025
• This Preliminary information communicates an issue with the SES MIL and DTC P062B P060C and engineering is currently investigating.
  PIT6110G · Technical service bulletin · Unknown OR Other · issued Jun 12, 2025
• This Preliminary information communicates an issue with the SES MIL and DTC P062B P060C and engineering is currently investigating.
  PIT6110G · Technical service bulletin · Unknown OR Other · issued Jun 12, 2025
• This preliminary information advises dealers that Engine Control Module designation E90 is on a ordering restriction through technical assistance.
  PIP6068 · Technical service bulletin · Unknown OR Other · issued Jun 12, 2025
• This Preliminary information communicates assistance in locating the Rear seat belt comfort guides in the parts catalog.
  PIT6180A · Technical service bulletin · Unknown OR Other · issued Jun 10, 2025
• This preliminary information advises a dealer on how to email GDS2 session logs into Technical Assistance.
  PIP4902S · Technical service bulletin · Unknown OR Other · issued Jun 9, 2025
• This service bulletin provides information on Tire Sidewall Irregularities.
  25-NA-156 · Technical service bulletin · Wheels · issued Jun 7, 2025
• This service bulletin provides information on replacing the intake manifold when the engine is replaced after severe internal engine damage.
  00-06-01-026R · Technical service bulletin · Engine · issued Jun 5, 2025
• This service bulletin provides technicians with information on available BCM calibrations to restore bulb outage detection on vehicles produced by a second stage manufacturer (Upfi…
  07-08-42-006U · Technical service bulletin · Exterior Lighting · issued Jun 2, 2025
• This Preliminary Information communication provides information to the technician about the use of J-35616-64B and Mini 50 terminal test probe, replacement terminals, and terminate…
  PIT5074R · Technical service bulletin · Unknown OR Other · issued May 30, 2025
• This Preliminary Information communication provides information to the technician about the use of J-35616-64B and Mini 50 terminal test probe, replacement terminals, and terminate…
  PIT5074R · Technical service bulletin · Unknown OR Other · issued May 30, 2025
• This Preliminary Information communication provides information to the technician about the use of J-35616-64B and Mini 50 terminal test probe, replacement terminals, and terminate…
  PIT5074R · Technical service bulletin · Unknown OR Other · issued May 30, 2025
• This Preliminary information communicates to dealers steps to follow to obtain an IOK radio.
  PIC6602C · Technical service bulletin · Unknown OR Other · issued May 29, 2025
• This Preliminary information communicates an issue with an OTA pending message still displayed after an OTA event and how to reset/clear the message.
  PIT5966E · Technical service bulletin · Unknown OR Other · issued May 22, 2025
• This Preliminary Information communication advises technicians to inspect for, and if necessary, repair harness damage caused by possible contact with the EGR cooler outlet pipe or…
  PIP6064 · Technical service bulletin · Unknown OR Other · issued May 19, 2025
• This informational bulletin provides information for dealers/technicians on power folding mirrors do not fold at the same speed.
  22-NA-161 · Technical service bulletin · Electrical System · issued May 17, 2025
• This Preliminary information communicates that you may notice a black screen on their radio display. This can happen for a period of a couple seconds or the entire ignition cycle. …
  PIT6076C · Technical service bulletin · Unknown OR Other · issued May 17, 2025
• This bulletin advises the tech to inspect deeper into what may be to main cause of an engine failure.
  23-NA-170 · Technical service bulletin · Engine · issued May 16, 2025
• This service bulletin advises the technician to check if the transmission cooler lines are twisted to correct customer concerns of Harsh Shift, Shudder, Surge, Stall, Transmission …
  22-NA-182 · Technical service bulletin · Power Train · issued May 16, 2025
• The service bulletin advises the tech of a normal transmission shift condition and the delay in throttle response when the throttle plate is opened rapidly and advises the customer…
  23-NA-153 · Technical service bulletin · Engine · issued May 15, 2025
• This Preliminary information communicates to dealers steps to follow to obtain an IOK radio.
  PIC6602B · Technical service bulletin · Unknown OR Other · issued May 14, 2025
• This service bulletin provides information on the radio software related issues to update the radio to the latest software version Y177.
  25-NA-121 · Technical service bulletin · Electrical System · issued May 13, 2025
• This Preliminary information communicates to technicians diagnostics for 8 speed transmission shudders caused by a potential engine concern and/or a possible faulty HO2S sensor 1
  PIP6060 · Technical service bulletin · Unknown OR Other · issued May 13, 2025
• This Preliminary information communicates an issue with the engine harness chaffing on an a/c pipe causing communication issues.
  PIT6192C · Technical service bulletin · Unknown OR Other · issued May 12, 2025
• This engineering information (EI) closure ends the need for gathering further information from field in regard to fluid leaking at the output seal and/or leaking at the front slip …
  PIE0824A · Technical service bulletin · Power Train · issued May 10, 2025
• This service bulletin provides information and the condition correction on the "Service Steering Column Lock" message and/or those who are unable to move the steering wheel after s…
  25-NA-116 · Technical service bulletin · Steering · issued May 10, 2025
• This service bulletin provides information on the Service Safety Restraint Message displayed on the DIC Airbag malfunction indicator illuminated.
  25-NA-119 · Technical service bulletin · Air Bags · issued May 9, 2025
• This Preliminary information communicates the possibility of DTC P30BF failing on low mile vehicles due to the possibility of the cylinder 1/2 sliding barrel binding on intake cams…
  PIP5865D · Technical service bulletin · Unknown OR Other · issued May 9, 2025
• This service bulletin provides information for the technicians to use a Customer Concern Verification sheet to facilitate the questions needing to be answered by the customer regar…
  25-NA-118 · Technical service bulletin · Forward Collision Avoidance · issued May 8, 2025
• This informational bulletin provides information on Anti-Chip Coating Appearance.
  25-NA-114 · Technical service bulletin · Structure · issued May 8, 2025
• This bulletin provides a procedure to overhaul the control valve to replace a plate and worn down check ball to correct the customers concern of No Reverse, No Shift Past Third Gea…
  25-NA-014 · Technical service bulletin · Power Train · issued May 8, 2025
• This Preliminary information communicates to the technicians that this audio concern is a software issue and to not replace any parts at this time.
  PIT6367A · Technical service bulletin · Unknown OR Other · issued May 8, 2025
• This service bulletin provides information to dealership personnel for new vehicles with less than 1,000 miles that may not pass California smog inspection or smog inspection in ot…
  15-NA-010 · Technical service bulletin · Engine · issued May 7, 2025
• This Preliminary information communicates an issue with the Hydrastar Electric Over Hydraulic trailer brake system causing a voltage spike into the trucks electrical system which i…
  PIT6212C · Technical service bulletin · Unknown OR Other · issued May 7, 2025
• Software Update for your 25MY Chevrolet Silverado / GMC Sierra: • Improvements to software performance. • Fixes for audio system performance. • Improvements to connectivity for Blu…
  N25-250380 · Technical service bulletin · Unknown OR Other · issued May 6, 2025
• Software Update for your 25MY Chevrolet Silverado / GMC Sierra: • Enables the active cabin ventilation feature. • When windows are remotely lowered using the key fob, the HVAC blow…
  N25-250520 · Technical service bulletin · Unknown OR Other · issued May 5, 2025
• This Preliminary information communicates to dealers steps to follow to obtain an IOK radio.
  PIC6602A · Technical service bulletin · Unknown OR Other · issued May 2, 2025
• This bulletin advises the tech that the Exhaust Roller Follower may be the issue with the engine Ticking noise, misfire or rough run and what to replace if found the cause.
  25-NA-037 · Technical service bulletin · Engine · issued Apr 30, 2025
• This Preliminary information communicates to dealers steps to follow to obtain an IOK radio.
  PIC6602 · Technical service bulletin · Unknown OR Other · issued Apr 30, 2025
• This service bulletin provides information on the restraint warning lamp being illuminated and the correction to this by replacing the passenger presence module.
  25-NA-101 · Technical service bulletin · Seats · issued Apr 29, 2025
• Certain 2018-2024 model year vehicles are receiving a software enhancement for SuperCruise. Dealers will update the Engine Control Module, Hybrid Powertrain Control Module 2 (HPCM2…
  N232427510 · Service campaign · Unknown OR Other · issued Apr 29, 2025
• This engineering informational bulletin is requesting information from technicians to perform the check list provided and contact the engineer listed in regards to the Malfunction …
  PIE0832 · Technical service bulletin · Engine · issued Apr 28, 2025
• This warranty administration bulletin provides information for dealers/technicians on System Reset and Connector Reconnect Labor Code Numbers.
  22-NA-242 · Technical service bulletin · Electrical System · issued Apr 24, 2025
• This bulletin advises the tech to refer to a procedure in SI to aid in diagnosing a possible wiring concern.
  25-NA-099 · Technical service bulletin · Electrical System · issued Apr 22, 2025
• This warranty administration bulletin provides policy information on vehicles outside of a California Emissions State who move to and register their vehicle in a California Emissio…
  25-NA-100 · Technical service bulletin · Engine · issued Apr 18, 2025
• This Preliminary information communicates an issue with the SES MIL and DTC P062B /P060C and engineering is currently investigating.
  PIT6110F · Technical service bulletin · Unknown OR Other · issued Apr 18, 2025
• This preliminary informational (PI) bulletin provides information to dealership personnel that may be helpful when addressing underbody component corrosion with customers.
  PI0281L · Technical service bulletin · Steering · issued Apr 17, 2025
• This bulletin provides a procedure to install an exhaust donut if found the cause of the back pressure after the heavy acceleration.
  25-NA-090 · Technical service bulletin · Engine · issued Apr 17, 2025
• This bulletin provides information of possible fuel injector harness electrical connector terminal having low tension creating the customers concern of a MIL Illuminated with Multi…
  25-NA-095 · Technical service bulletin · Fuel/propulsion System · issued Apr 16, 2025
• This Preliminary information communicates a possible retainer ring dis-lodged for a DTC P2714, may not have reverse as well.
  PIP6008E · Technical service bulletin · Unknown OR Other · issued Apr 16, 2025
• This Preliminary information communicates how to recover the Image Processing Module.
  PIC6552E · Technical service bulletin · Unknown OR Other · issued Apr 16, 2025
• This informational bulletin provides information on the turn signal stalk not cancelling and/or mis cancelling.
  21-NA-166 · Technical service bulletin · Exterior Lighting · issued Apr 15, 2025
• This Preliminary information communicates a "Forward Collision System Reduced" message displayed on the DIC when the Forward Automatic Braking has been set to the "Alert" setting. …
  PIT5551R · Technical service bulletin · Unknown OR Other · issued Apr 12, 2025
• This Preliminary information communicates to the technicians that this audio concern is a software issue and to not replace any parts at this time.
  PIT6367 · Technical service bulletin · Unknown OR Other · issued Apr 11, 2025
• This bulletin provides a procedure to program the TCM if found the cause of a customers concern of shudder, shake, or misfire while driving between 25 to 60 MPH (40 to 97 KPH.
  25-NA-091 · Technical service bulletin · Power Train · issued Apr 10, 2025
• This bulletin provides a procedure on how to check for a battery drain utilizing the Picoscope and how to measure the load on the system that may be causing a drain.
  24-NA-229 · Technical service bulletin · Electrical System · issued Apr 10, 2025
• This engineering information (EI) closure ends the need for gathering further information from technicians in regard to having the Service Engine Soon, Service Emission System, and…
  PIE0811B · Technical service bulletin · Engine · issued Apr 8, 2025
• This warranty administration bulletin provides policy information for GM courtesy transportation and roadside assistance programs.
  07-00-89-037W · Technical service bulletin · Unknown OR Other · issued Apr 8, 2025
• This Preliminary information communicates the possibility of injector related DTC's with malfunction indicator lamp on and potential rough idle
  PIP6023B · Technical service bulletin · Unknown OR Other · issued Apr 8, 2025
• This Preliminary information communicates a diagnostic tip for a thump, click, pop, clunk type noise that is heard from the front end. Dealers are to inspect for something contacti…
  PIT5986D · Technical service bulletin · Unknown OR Other · issued Apr 8, 2025
• This Preliminary information communicates an issues with the odometer being incorrect after a programming event and how the dealership can resolve the issue.
  PIT5851F · Technical service bulletin · Unknown OR Other · issued Apr 4, 2025
• This Preliminary information communicates the possibility of injector related DTC's with malfunction indicator lamp on and potential rough idle
  PIP6023A · Technical service bulletin · Unknown OR Other · issued Apr 4, 2025
• This service bulletin provides information on the proper Reflective High Temperature Heat and/or Insulating Tape to use for certain repairs, such as Wiring Harness Repairs.
  25-NA-087 · Technical service bulletin · Electrical System · issued Apr 3, 2025
• The intent of this service bulletin is to identify aftermarket ALDL or DLC interface devices as potential sources for causing multiple customer concerns that do not have other diag…
  13-08-116-001K · Technical service bulletin · Electrical System · issued Mar 31, 2025
• This informational bulletin advises the technician that the gasket for the timing chain tensioner is not required.
  25-NA-076 · Technical service bulletin · Engine · issued Mar 29, 2025
• This informational bulletin provides information for dealers/technicians on Customer Education Bulletin for Google Built In Radio.
  22-NA-096 · Technical service bulletin · Unknown OR Other · issued Mar 29, 2025
• This warranty administration bulletin provides information for dealers/technicians on System Reset and Connector Reconnect Labor Code Numbers.
  22-NA-242 · Technical service bulletin · Electrical System · issued Mar 28, 2025
• This engineering information (EI) is requesting information from technicians to perform the check list provided and contact the engineer listed in regard to fluid leaking at the ou…
  PIE0824 · Technical service bulletin · Power Train · issued Mar 27, 2025
• This Preliminary information communicates recovery procedure after return to dealer message.
  PIT6209G · Technical service bulletin · Unknown OR Other · issued Mar 27, 2025
• This Preliminary information communicates information to inform dealer there is a check valve in the washer fluid hose that connects to the washer pump.
  PIT6053B · Technical service bulletin · Unknown OR Other · issued Mar 27, 2025
• This bulletin advises the technician to flush the cooling system multiple times if oil has been found in the cooling system and replace the parts that may be contaminated due to oi…
  25-NA-052 · Technical service bulletin · Engine · issued Mar 25, 2025
• This service bulletin helps diagnose/reduce possible CCND issues on Transfer Cases - Service 4WD on DIC, Intermittent Failures, Noise Concerns, Driveline/Steering Vibration/Shudder…
  23-NA-185 · Technical service bulletin · Steering · issued Mar 25, 2025
• This service bulletin provides technicians with information on available BCM calibrations to restore bulb outage detection on vehicles produced by a second stage manufacturer (Upfi…
  07-08-42-006T · Technical service bulletin · Exterior Lighting · issued Mar 25, 2025
• This Preliminary information communicates a diagnostic aid to install dye to the trans fluid to isolate the leak prior to attempting repair.
  PIP6049A · Technical service bulletin · Unknown OR Other · issued Mar 24, 2025
• This Preliminary information communicates an issue with the SES MIL and DTC P062B and engineering is currently investigating.
  PIT6110E · Technical service bulletin · Unknown OR Other · issued Mar 24, 2025
• This service bulletin provides information for dealers/technicians on Service Programming System (SPS) Error Codes E4398, E4399, E4401, E4403, M4404, M4413, M6954, M6955, E4414, E4…
  24-NA-098 · Technical service bulletin · Unknown OR Other · issued Mar 21, 2025
• This informational bulletin instructs the tech when fuel/fluid is needed to be tested and where it can be sent for analysis.
  25-NA-065 · Technical service bulletin · Steering · issued Mar 21, 2025
• This engineering information (EI) is requesting information from technicians to perform the check list provided and contact the engineer listed in regard to the Malfunction Indicat…
  PIE0821 · Technical service bulletin · Engine · issued Mar 20, 2025
• This bulletin provides information on Wiper Blade Maintenance Tips.
  24-NA-164 · Technical service bulletin · Visibility/wiper · issued Mar 20, 2025
• This informational bulletin advises the technician of which pan to use if the LCE has been replaced and to install an aluminum pan should be used with a new LCE.
  24-NA-247 · Technical service bulletin · Engine · issued Mar 18, 2025
• This service bulletin provides a procedure on how to clean and resurface aluminum wheel bead seats for vehicles that have the condition of Tire Slowly Goes Flat, Tire Air Loss, Low…
  08-03-10-006I · Technical service bulletin · Wheels · issued Mar 14, 2025
• This Preliminary information communicates a diagnostic aid to install dye to the trans fluid to isolate the leak prior to attempting repair.
  PIP6049 · Technical service bulletin · Unknown OR Other · issued Mar 14, 2025
• This technical bulletin provides repair information to correct a customer concern of Evaporative DTCs P0442, P0446, P0455 or P0449, Caused by Dust Intrusion into the Evaporative Ca…
  23-NA-073 · Technical service bulletin · Engine · issued Mar 13, 2025
• This service bulletin provides information to diagnose batteries that have set for a long period of time and/or cold weather climates and testing those batteries.
  15-06-03-001F · Technical service bulletin · Electrical System · issued Mar 12, 2025
• This service bulletin provides frame coating repair information to correct a customer concern of wax coating on frame peeling, metal shows corrosion/rusting (U.S. and Canada Only).
  19-NA-255 · Technical service bulletin · Structure · issued Mar 11, 2025
• This Preliminary information communicates a Diagnostic Tip for a Rattle/Squeak/Creak/Squawk/Itch/Rub Type Noise Heard From The Dash I/P or Center Console Area. Dealers are to inspe…
  PIT6206A · Technical service bulletin · Unknown OR Other · issued Mar 7, 2025
• This Preliminary information communicates an issue with unwanted opening of the sunroof. GM engineering is working on a design improvement, but in the meantime the sunroof will be …
  PIT6336A · Technical service bulletin · Unknown OR Other · issued Mar 7, 2025
• This warranty administration bulletin provides information regarding the field action courtesy transportation policy.
  17-NA-073 · Technical service bulletin · Unknown OR Other · issued Mar 5, 2025
• This bulletin advises the technician to flush the cooling system multiple times if oil has been found in the cooling system and replace the parts that may be contaminated due to oi…
  25-NA-052 · Technical service bulletin · Engine · issued Mar 4, 2025
• This technical bulletin provides a procedure to correct the condition of Suction Cup Marks on Window Glass.
  24-NA-046 · Technical service bulletin · Visibility/wiper · issued Mar 4, 2025
• This Preliminary information communicates that some customers may comment that after an auto-stop event the engine does not restart and to inspect the engine ground strap. Temporar…
  PIT5689L · Technical service bulletin · Engine · issued Feb 28, 2025
• This bulletin provides information on Wiper Blade Maintenance Tips.
  24-NA-164 · Technical service bulletin · Visibility/wiper · issued Feb 26, 2025
• This service bulletin provides information on Wheel Alignment Specifications, Requirements and Recommendations for GM Vehicles.
  05-03-07-009L · Technical service bulletin · Suspension · issued Feb 25, 2025
• This Warranty Administration bulletin provides information on Dealer Empowerment for Goodwill, Customer Enthusiasm and Policy (U.S. Only).
  11-00-89-005Y · Technical service bulletin · Unknown OR Other · issued Feb 22, 2025
• This Preliminary information communicates an issue with blower motor speed changing when air flow is blocked by snow.
  PIT6344 · Technical service bulletin · Unknown OR Other · issued Feb 22, 2025
• This Preliminary information communicates recovery procedure after return to dealer message.
  PIT6209F · Technical service bulletin · Unknown OR Other · issued Feb 21, 2025
• This Preliminary information communicates an issue with poor heater performance and advises dealerships to inspect the heater core inlet and outlet hoses for being twisted or kinke…
  PIT5734H · Technical service bulletin · Unknown OR Other · issued Feb 21, 2025
• This informational bulletin provides a procedure on how to remove the paint stain that may present itself under the shipping film.
  05-08-51-001L · Technical service bulletin · Structure · issued Feb 20, 2025
• This technical bulletin provides repair information to correct a customer concern of a squeak and/or clunking noise coming from the rear of the vehicle.
  19-NA-129 · Technical service bulletin · Suspension · issued Feb 20, 2025
• This Preliminary information communicates a new tailgate feature which allows the customer to enable or disable the inner tailgate.
  PIT5895D · Technical service bulletin · Unknown OR Other · issued Feb 20, 2025
• This Preliminary Information communication provides information to the technician about vehicles that have an unusual noise and is difficult to identify, isolate or pinpoint. Techn…
  PIP5358D · Technical service bulletin · Unknown OR Other · issued Feb 20, 2025
• This technical bulletin provides repair information to correct a customer concern of Diagnostic Tips For Park Assist Off Message / Unwanted Or False Park Assist Alerts / No DTCs.
  22-NA-068 · Technical service bulletin · Electrical System · issued Feb 19, 2025
• Service Update - Certain vehicles listed above may have a condition in which the seam sealer is not fully installed. Dealers are to inspect the right front side floor panel seam an…
  N242480200 · Service campaign · Unknown OR Other · issued Feb 19, 2025
• This service bulletin provides a procedure inspecting for excess grease or Sealant on the Exterior of the steering gear due to seeing grease or sealant on certain locations on the …
  16-NA-109 · Technical service bulletin · Steering · issued Feb 18, 2025
• This Preliminary information communicates a "Forward Collision System Reduced" message displayed on the DIC when the Forward Automatic Braking has been set to the "Alert" setting. …
  PIT5551Q · Technical service bulletin · Unknown OR Other · issued Feb 18, 2025
• This Preliminary information communicates information on how to disable the Side Blind Zone Detection and Park Assist systems when a customer removes the pickup box from the vehicl…
  PIT5744E · Technical service bulletin · Unknown OR Other · issued Feb 18, 2025
• This Preliminary information communicates an issues with a service keyless entry message caused by aftermarket door handle covers and they should be removed.
  PIT6276A · Technical service bulletin · Unknown OR Other · issued Feb 18, 2025
• This Preliminary information communicates a possible retainer ring dis-lodged for a DTC P2714, may not have reverse as well.
  PIP6008D · Technical service bulletin · Unknown OR Other · issued Feb 18, 2025
• This service bulletin provides a procedure to repair wiring to correct customer concerns of Driveability, Hesitation, Transmission Shifting Rough/Harsh, Malfunction Indicator Lamp …
  23-NA-102 · Technical service bulletin · Power Train · issued Feb 15, 2025
• This Preliminary information communicates a diagnostic tip for a thump, click, pop, clunk type noise that is heard from the front end. Dealers are to inspect for something contacti…
  PIT5986C · Technical service bulletin · Unknown OR Other · issued Feb 15, 2025
• This Preliminary information communicates to dealership technicians that they will need to perform this step prior to performing any programming on replacement radios.
  PIT6105C · Technical service bulletin · Unknown OR Other · issued Feb 15, 2025
• This Preliminary information communicates the possibility of injector related DTC's with malfunction indicator lamp on and potential rough idle
  PIP6023A · Technical service bulletin · Unknown OR Other · issued Feb 15, 2025
• This Preliminary information communicates information to direct to GM Upfitter bulletin 193 or 205 depending on trim level for installation instructions for the 9L7 Upfitter Switch…
  PIT6120B · Technical service bulletin · Unknown OR Other · issued Feb 15, 2025
• This Preliminary information communicates if a customer and service tech encounter this concern, it will be fixed with a software update and the vehicle can still be driven in the …
  PIT6334 · Technical service bulletin · Unknown OR Other · issued Feb 14, 2025
• This bulletin helps aid the tech in possible noise that may be normal or abnormal depending on the concern noted.
  24-NA-264 · Technical service bulletin · Power Train · issued Feb 13, 2025
• This warranty administration bulletin provides policy information for GM courtesy transportation and roadside assistance programs.
  07-00-89-037V · Technical service bulletin · Unknown OR Other · issued Feb 13, 2025
• General Motors has decided to conduct a voluntary emissions recall. The Vehicle Emissions Control Information (VECI) label may not include all required information. Dealers are to …
  N242489790 · Service campaign · Unknown OR Other · issued Feb 13, 2025
• This service bulletin provides information on Transmission Adaptive Functions and Correcting Low Mileage Harsh Shifts, Slips, or Flares.
  16-NA-019 · Technical service bulletin · Power Train · issued Feb 12, 2025
• This Preliminary information communicates an issue with unwanted opening of the sunroof. GM engineering is working on a design improvement, but in the meantime the sunroof will be …
  PIT6336 · Technical service bulletin · Structure · issued Feb 12, 2025
• This Preliminary information communicates an issues with the HVAC making a hum buzz noise when the blower is set to a higher speed. Engineering is working on a new HVAC door seal m…
  PIT6132B · Technical service bulletin · Unknown OR Other · issued Feb 12, 2025
• This Preliminary Information communication provides information to the technician about fluid leaking from the brake caliper piston area found during a service of the vehicle. The …
  PIT5479G · Technical service bulletin · Unknown OR Other · issued Feb 7, 2025
• This service bulletin provides customer information for rear unwanted automatic braking, usually when reversing out of a garage or driveway.
  24-NA-048 · Technical service bulletin · Forward Collision Avoidance · issued Feb 6, 2025
• This Preliminary information communicates an issue with a wind noise while driving at highway speeds and dealers are to inspect the body harness pass through for being full seated …
  PIT5990C · Technical service bulletin · Unknown OR Other · issued Feb 5, 2025
• This technical bulletin provides repair information to correct a customer concern of vertical misalignment between cab and pickup box on driver side of vehicle.
  20-NA-175 · Technical service bulletin · Structure · issued Feb 1, 2025
• This technical bulletin provides repair information to correct a customer concern of the pickup box being out of alignment.
  19-NA-257 · Technical service bulletin · Structure · issued Feb 1, 2025
• This bulletin advises the dealers to maintain the vehicle stock on hand by doing a full inspection on the vehicles before being sold (prepping) to the customer.
  21-NA-043 · Technical service bulletin · Electrical System · issued Jan 31, 2025
• This service bulletin provides information on proper use of floor mats.
  10-08-110-001L · Technical service bulletin · Structure · issued Jan 31, 2025
• This Preliminary information communicates the possibility of poor heater performance or no heat in the passenger compartment of the vehicle
  PIP5982A · Technical service bulletin · Unknown OR Other · issued Jan 31, 2025
• This Preliminary information communicates an issue with reduced coolant flow through the heater core degrading the heater performance of the HVAC system.
  PIT6329 · Technical service bulletin · Unknown OR Other · issued Jan 31, 2025
• This warranty administration service bulletin provides information about GM Accessories - Dealer-Installed, Repaired or Replaced During Warranty Coverage Period.
  22-NA-244 · Technical service bulletin · Unknown OR Other · issued Jan 30, 2025
• This service bulletin provides service information to technicians on guidelines to replace Oil Cooler, Oil Cooler Lines and Oil Tank if the engine was replaced where large amounts …
  22-NA-074 · Technical service bulletin · Engine · issued Jan 30, 2025
• This service bulletin provides information on the Transport Mode Feature, also known as Logistics mode, which is used to increase the 12V Battery stand time of the vehicle during t…
  23-NA-064 · Technical service bulletin · Electrical System · issued Jan 29, 2025
• This service bulletin provides information to inform dealership personnel about Law Enforcement and Government vehicles that request to disable or enable content.
  21-NA-135 · Technical service bulletin · Electrical System · issued Jan 28, 2025
• This service bulletin provides a procedure to repair wiring to correct customer concerns of Driveability, Hesitation, Transmission Shifting Rough/Harsh, Malfunction Indicator Lamp …
  23-NA-102 · Technical service bulletin · Electrical System · issued Jan 28, 2025
• This service bulletin provides information on Exterior Lamp Condensation and Water Leak Information and Replacement Guidelines.
  01-08-42-001Q · Technical service bulletin · Exterior Lighting · issued Jan 27, 2025
• This Preliminary information communicates a possible retainer ring dis-lodged for a DTC P2714, may not have reverse as well.
  PIP6008C · Technical service bulletin · Unknown OR Other · issued Jan 24, 2025
• This Preliminary information communicates a diagnostic tip on how to resolve a issue if the serial data authentication configuration did not complete correctly.
  PIT5832U · Technical service bulletin · Unknown OR Other · issued Jan 24, 2025
• This Preliminary information communicates diagnostic tips on how to resolve a issues with vehicles that will not power up after a can bus 2 issue, lightning strike, or a failed ove…
  PIT5985J · Technical service bulletin · Unknown OR Other · issued Jan 24, 2025
• This engineering informational bulletin is requesting information from technicians to perform the check list provided and contact the engineer listed in regards to having the Servi…
  PIE0811A · Technical service bulletin · Engine · issued Jan 22, 2025
• Service Update. Certain vehicles have a condition where burrs may be present on the machine face of the rear brake caliper bracket flange. Dealers will inspect, and if necessary, d…
  N242485320 · Service campaign · Unknown OR Other · issued Jan 21, 2025
• This informational bulletin advises the technician to check for faults that may be caused by the trailer otherwise found by a possible faulty trailer connector.
  21-NA-155 · Technical service bulletin · Service Brakes · issued Jan 17, 2025
• This informational bulletin provides a guide on how to diagnose and test for vibrations utilizing the PicoScope.
  24-NA-239 · Technical service bulletin · Steering · issued Jan 16, 2025
• This technical bulletin provides a procedure to program the Reductant Control Module and Setup and Perform the Reductant Fluid Tank Level Reset.
  22-NA-150 · Technical service bulletin · Electrical System · issued Jan 15, 2025
• This Preliminary information communicates an issues of the left rear leaf spring making a squeaking noise due to diesel fuel contamination that may occur during refueling after the…
  PIT6177B · Technical service bulletin · Unknown OR Other · issued Jan 10, 2025
• This Preliminary information communicates recovery procedure after return to dealer message.
  PIT6209E · Technical service bulletin · Unknown OR Other · issued Jan 10, 2025
• This Preliminary information communicates a diagnostic tip on how to resolve a issue if the serial data authentication configuration did not complete correctly.
  PIT5832T · Technical service bulletin · Unknown OR Other · issued Jan 10, 2025
• This Preliminary information communicates diagnostic tips on how to resolve a issues with vehicles that will not power up after a can bus 2 issue, lightning strike, or a failed ove…
  PIT5985H · Technical service bulletin · Unknown OR Other · issued Jan 10, 2025
• This engineering informational bulletin is requesting information from technicians to perform the check list provided and contact the engineer listed in regards to having the Servi…
  PIE0811 · Technical service bulletin · Engine · issued Jan 9, 2025
• This bulletin provides information on identifying Non-GM Engine Calibrations for Gasoline Engines using the Tech 2 or GDS 2.
  09-06-04-026Z · Technical service bulletin · Power Train · issued Jan 9, 2025
• This informational bulletin advises the technician on normal noises produced by the engine and to explain this to the customer.
  22-NA-218 · Technical service bulletin · Engine · issued Jan 9, 2025
• This Preliminary information communicates a possible retainer ring dis-lodged for a DTC P2714, may not have reverse as well.
  PIP6008B · Technical service bulletin · Power Train · issued Jan 9, 2025
• This Preliminary information communicates information to direct the dealer or upfitter to GM Upfitter Bulletin 203 for information on installing the Universal Vehicle Module.
  PIT6315 · Technical service bulletin · Unknown OR Other · issued Jan 9, 2025
• This Preliminary Information communication provides information to the technician about customers that may request the factory Integrated Trailer Brake Controller Regular Productio…
  PIT5828D · Technical service bulletin · Service Brakes · issued Jan 9, 2025
• This service bulletin advises the technician of possible coolant entering the areas of the engine, either through failed parts or defects in the castings, that may be the cause of …
  20-NA-166 · Technical service bulletin · Engine · issued Jan 8, 2025
• This informational bulletin provides information for dealers/technicians on High Output Engine Calibration Installation Process.
  23-NA-081 · Technical service bulletin · Electrical System · issued Jan 8, 2025
• This warranty administration bulletin provides policy information on the requirements for 12V battery testing and warranty replacements.
  20-NA-132 · Technical service bulletin · Electrical System · issued Jan 7, 2025
• This warranty administration bulletin provides policy information for GM courtesy transportation and roadside assistance programs.
  07-00-89-037U · Technical service bulletin · Unknown OR Other · issued Jan 4, 2025
• This technical bulletin provides repair information to correct a customer concern of Radio Software Version Y176 – Multiple Updates for IOK.
  24-NA-276 · Technical service bulletin · Unknown OR Other · issued Dec 20, 2024
• This service bulletin explains how to measure for oil consumption and possible reasons for loss of oil.
  03-06-01-023I · Technical service bulletin · Engine · issued Dec 18, 2024
• This Preliminary Information communication provides information to the technician about vehicles that are found to have a back-up alarm inoperative during the Pre-Delivery Inspecti…
  PIT5386K · Technical service bulletin · Electrical System · issued Dec 18, 2024
• This Preliminary information communicates to dealership technicians that if they encounter a vehicle with this issue, they can contact TCSC to have the software for the MDI backdat…
  PIT6265B · Technical service bulletin · Unknown OR Other · issued Dec 16, 2024
• This service bulletin provides information for dealers/technicians on Labor Operations for Limited Production Option (LPO) Calibrated Accessories.
  22-NA-053 · Technical service bulletin · Unknown OR Other · issued Dec 14, 2024
• This warranty bulletin provides information on Customer Concern Not Duplicated (CCND) Labor Operation Numbers.
  22-NA-038 · Technical service bulletin · Unknown OR Other · issued Dec 14, 2024
• This warranty administration bulletin provide policy information for variable diagnostic time allowances on select labor operations (U.S. Only).
  18-NA-263 · Technical service bulletin · Unknown OR Other · issued Dec 14, 2024
• This Preliminary information communicates diagnostic tips on how to resolve a issues with vehicles that will not power up after a can bus 2 issue, lightning strike, or a failed ove…
  PIT5985G · Technical service bulletin · Fuel/propulsion System · issued Dec 14, 2024
• This Preliminary information communicates a diagnostic tip on how to resolve a issue if the serial data authentication configuration did not complete correctly.
  PIT5832S · Technical service bulletin · Electrical System · issued Dec 13, 2024
• This Preliminary information communicates that the inner tailgate cannot be disabled if the vehicle is not equipped with passive entry.
  PIT6054C · Technical service bulletin · Structure · issued Dec 11, 2024
• This Preliminary information communicates Diagnostic Tips When Having Difficulties Programming Or Adding Key Fobs / Transmitters.
  PIT6015C · Technical service bulletin · Electrical System · issued Dec 10, 2024
• This service bulletin provides information on the Transport Mode Feature, also known as Logistics mode, which is used to increase the 12V Battery stand time of the vehicle during t…
  23-NA-064 · Technical service bulletin · Electrical System · issued Dec 6, 2024
• This Preliminary information communicates a GM part number for reflective high temperature heat or insulating tape when repairing wiring harnesses.
  PIT5962B · Technical service bulletin · Electrical System · issued Dec 6, 2024
• This Preliminary information communicates Thus the active safety systems maybe inoperable and to perform a module reset to correct.
  PIC6587 · Technical service bulletin · Lane Departure · issued Dec 6, 2024
• This Preliminary information communicates how to recover the Image Processing Module.
  PIC6552D · Technical service bulletin · Unknown OR Other · issued Dec 6, 2024
• This Preliminary information communicates recovery procedure after return to dealer message.
  PIT6209D · Technical service bulletin · Unknown OR Other · issued Dec 3, 2024
• This bulletin helps aid the tech in possible transmission noise that may be normal or abnormal depending on the concern noted.
  24-NA-264 · Technical service bulletin · Power Train · issued Nov 27, 2024
• This service bulletin provides a service procedure to correct customer concerns of Air Conditioning (A/C) Not Working and/or Blows Warm Air.
  24-NA-259 · Technical service bulletin · Visibility/wiper · issued Nov 27, 2024
• This service bulletin provides information on the harmful effects of ethylene glycol in transmission fluid.
  08-07-30-035I · Technical service bulletin · Power Train · issued Nov 27, 2024
• This service bulletin provides diagnostic/repair information to correct a customer concern of Cellphone not Charging or USB Receptacle Inoperative.
  22-NA-238 · Technical service bulletin · Unknown OR Other · issued Nov 25, 2024
• This diagnostic tip bulletin provides additional information on how to diagnose a possible valve, lifter or camshaft issue.
  19-NA-219 · Technical service bulletin · Engine · issued Nov 22, 2024
• This Preliminary information communicates an issue where the odometer mileage is incorrect after performing a module setup procedure and a FSE will be dispatched to the vehicle to …
  PIT6279B · Technical service bulletin · Unknown OR Other · issued Nov 21, 2024
• This Preliminary information communicates an issue where the odometer mileage is incorrect after performing a module setup procedure and a FSE will be dispatched to the vehicle to …
  PIT6279A · Technical service bulletin · Electrical System · issued Nov 15, 2024
• This engineering information (EI) closure ends the need for requesting further information from technicians in regard to having the Malfunction Indicator Lamp (MIL) illuminated on …
  PIE0800A · Technical service bulletin · Engine · issued Nov 14, 2024
• This Preliminary information communicates the possibility of injector related DTC's with malfunction indicator lamp on and potential rough idle
  PIP6023 · Technical service bulletin · Fuel/propulsion System · issued Nov 12, 2024
• This Preliminary information communicates an issues with a service keyless entry message caused by aftermarket door handle covers and they should be removed.
  PIT6276 · Technical service bulletin · Structure · issued Nov 8, 2024
• This Preliminary information communicates an issue where the odometer mileage is incorrect after performing a module setup procedure and a FSE will be dispatched to the vehicle to …
  PIT6279 · Technical service bulletin · Unknown OR Other · issued Nov 8, 2024
• This Preliminary information communicates to dealership technicians that if they encounter a vehicle with this communication issue, they can contact TCSC to have the software for t…
  PIT6265A · Technical service bulletin · Unknown OR Other · issued Nov 8, 2024
• This informational bulletin provides technicians and dealership personnel with spray-in bed liner general information and repair procedures.
  12-08-51-002R · Technical service bulletin · Structure · issued Nov 7, 2024
• This bulletin advises the dealers to maintain the vehicle stock on hand by doing a full inspection on the vehicles before being sold (prepping) to the customer.
  21-NA-043 · Technical service bulletin · Structure · issued Nov 5, 2024
• This informational bulletin advises the technician of which pan to use if the LCE has been replaced and to install an aluminum pan should be used with a new LCE.
  24-NA-247 · Technical service bulletin · Engine · issued Nov 4, 2024
• This technical bulletin provides a procedure to replace the rear calipers if found packed for of mud and debris.
  21-NA-089 · Technical service bulletin · Service Brakes · issued Oct 30, 2024
• This Preliminary information communicates an issue with setting up the trailering features if the trailer height is over 119 inches. Engineering is working on new video processing …
  PIT6060A · Technical service bulletin · Unknown OR Other · issued Oct 29, 2024
• This Preliminary information communicates diagnostic tips on how to resolve a issues with vehicles that will not power up after a can bus 2 issue, lightning strike, or a failed ove…
  PIT5985F · Technical service bulletin · Electrical System · issued Oct 28, 2024
• This Preliminary information communicates a diagnostic tip on how to resolve a issue if the serial data authentication configuration did not complete correctly.
  PIT5832R · Technical service bulletin · Unknown OR Other · issued Oct 28, 2024
• This informational bulletin provides a guide on how to diagnose and test for vibrations utilizing the PicoScope.
  24-NA-239 · Technical service bulletin · Electrical System · issued Oct 28, 2024
• This informational bulletin explains Unscheduled Supplemental Services and the importance of GM Simplified Maintenance Schedules.
  04-06-01-029K · Technical service bulletin · Steering · issued Oct 28, 2024
• This Preliminary information communicates an issue with the Hydrastar Electric Over Hydraulic trailer brake system causing a voltage spike into the trucks electrical system which i…
  PIT6212B · Technical service bulletin · Service Brakes · issued Oct 25, 2024
• This Preliminary information communicates how the left lower corner of the DIC is dual purpose and when vehicle is first started it displays the rear passenger seatbelt indicators …
  PIT6244 · Technical service bulletin · Unknown OR Other · issued Oct 25, 2024
• This Preliminary information communicates to dealership technicians that if they encounter a vehicle with this issue, they can contact TCSC to have the software for the MDI backdat…
  PIT6265 · Technical service bulletin · Unknown OR Other · issued Oct 24, 2024
• This Preliminary information communicates information to direct to GM Upfitter bulletin 193 for installation instructions for the 9L7 Upfitter Switches.
  PIT6120A · Technical service bulletin · Unknown OR Other · issued Oct 24, 2024
• This Preliminary information communicates that it is normal for the tailgate to drop faster than it used to after the GM Accessory Kicker Audio System is installed.
  PIT5909C · Technical service bulletin · Structure · issued Oct 24, 2024
• This Preliminary information communicates a possible retainer ring dis-lodged for a DTC P2714, may not have reverse as well.
  PIP6008A · Technical service bulletin · Power Train · issued Oct 23, 2024
• This Preliminary information was created to communicate to dealers that the GCW message can be turned off thru settings.
  PIC6572 · Technical service bulletin · Unknown OR Other · issued Oct 22, 2024
• This Preliminary information communicates to GM dealers there is a concern with a noise on phone calls and the concern is being researched.
  PIT6241B · Technical service bulletin · Unknown OR Other · issued Oct 18, 2024
• This Preliminary Information communication provides information to the technician how to repair vehicles that Instrument Panel Cluster, Radio, and Heater-Vent-Air Conditioning disp…
  PIT5387P · Technical service bulletin · Unknown OR Other · issued Oct 17, 2024
• This informational bulletin advises the tech to look at a possible valve body control and to use DTC P2818 as a diag route to help verify the customers concern.
  24-NA-230 · Technical service bulletin · Power Train · issued Oct 17, 2024
• This bulletin provides a procedure on how to check for a battery drain utilizing the Picoscope and how to measure the load on the system that may be causing a drain.
  24-NA-229 · Technical service bulletin · Electrical System · issued Oct 17, 2024
• This bulletin provides information on how to look for and test for DEF or water in the fuel system and what the specs should be.
  24-NA-225 · Technical service bulletin · Fuel/propulsion System · issued Oct 15, 2024
• This service bulletin provides information on All hazmat parts being returned to the Warranty Parts Center (WPC) must be shipped using Central Transport. Hazardous materials should…
  24-NA-040 · Technical service bulletin · Unknown OR Other · issued Oct 11, 2024
• This informational bulletin advises the tech and the customer of a normal DEF operation while under high load conditions and when the time is right to fill the DEF at that time fra…
  24-NA-196 · Technical service bulletin · Engine · issued Oct 9, 2024
• This service bulletin provides information on key code security rules and information on GM keycode look-up applications (U.S).
  10-00-89-009F · Technical service bulletin · Unknown OR Other · issued Oct 9, 2024
• Service Update. Certain vehicles may have had the chrome exhaust tips installed instead of the correct black exhaust tips. Dealers are to replace the chrome exhaust tip with correc…
  N242452140-01 · Service campaign · Unknown OR Other · issued Oct 9, 2024
• This service bulletin provides frame coating repair information to correct a customer concern of wax coating on frame peeling, metal shows corrosion/rusting (U.S. and Canada Only).
  19-NA-255 · Technical service bulletin · Structure · issued Oct 8, 2024
• This technical bulletin provides repair information to correct a customer concern of Evaporative DTCs P0442, P0446, P0455 or P0449, Caused by Dust Intrusion into the Evaporative Ca…
  23-NA-073 · Technical service bulletin · Engine · issued Oct 7, 2024
• This informational bulletin provides technicians and dealership personnel with spray-in bed liner general information and repair procedures.
  12-08-51-002Q · Technical service bulletin · Structure · issued Oct 7, 2024
• This service bulletin explains how to measure for oil consumption and possible reasons for loss of oil.
  03-06-01-023H · Technical service bulletin · Engine · issued Oct 7, 2024
• This warranty administration service bulletin provides information about GM Accessories - Dealer-Installed, Repaired or Replaced During Warranty Coverage Period.
  22-NA-244 · Technical service bulletin · Unknown OR Other · issued Oct 5, 2024
• This service bulletin provides guidelines and diagnostic/repair information to technicians regarding vehicle engine oil consumption.
  01-06-01-011Q · Technical service bulletin · Engine · issued Oct 5, 2024
• This Preliminary information communicates an issue of the wrong part number WSS being installed during a service procedure and to warn dealership tech to make sure the correct part…
  PIT5950B · Technical service bulletin · Unknown OR Other · issued Oct 3, 2024
• This service bulletin provides information for dealers/technicians on New Labor Operations for Limited Production Option (LPO) Calibrated Accessories.
  22-NA-053 · Technical service bulletin · Unknown OR Other · issued Oct 3, 2024
• This Warranty Administration bulletin provides information on the Global Warranty Management (GWM) Warranty Parts Center (WPC) Parts Return Program.
  99-00-89-019Z · Technical service bulletin · Unknown OR Other · issued Oct 3, 2024
• This warranty administration bulletin provides policy information on the requirements for 12V battery testing and warranty replacements.
  20-NA-132 · Technical service bulletin · Electrical System · issued Oct 3, 2024
• This bulletin provides information on Warranty Administration – Required Operating Procedures - 8 Points (U.S. Only).
  23-NA-154 · Technical service bulletin · Unknown OR Other · issued Oct 2, 2024
• This warranty administration bulletin provides policy information for GM courtesy transportation and roadside assistance programs.
  07-00-89-037T · Technical service bulletin · Unknown OR Other · issued Oct 2, 2024
• This Preliminary information communicates a "Forward Collision System Reduced" message displayed on the DIC when the Forward Automatic Braking has been set to the "Alert" setting. …
  PIT5551P · Technical service bulletin · Forward Collision Avoidance · issued Oct 1, 2024
• This service bulletin provides information for maintenance cleaning of the fuel injectors and gasoline detergent additive.
  04-06-04-051J · Technical service bulletin · Engine · issued Sep 27, 2024
• This service bulletin provides information for maintenance cleaning of the fuel injectors and gasoline detergent additive.
  04-06-04-051J · Technical service bulletin · Engine · issued Sep 27, 2024
• This informational bulletin provides information on availability for a locking gas cap for trucks are operated in high amount of dirt or dust which can migrate to the filler cap ar…
  17-NA-302 · Technical service bulletin · Fuel/propulsion System · issued Sep 23, 2024
• Your Vehicle keeps getting better. A vehicle software update is ready for you to install. This update includes the following if your vehicle is equipped: Refinements • Fixes false …
  N24-247470 · Technical service bulletin · Unknown OR Other · issued Sep 23, 2024
• This service bulletin provides information on Concerns or Questions Regarding Installation of Dealer Installed Accessories.
  23-NA-219 · Technical service bulletin · Structure · issued Sep 21, 2024
• This service bulletin provides information on the Transport Mode Feature, also known as Logistics mode, which is used to increase the 12V Battery stand time of the vehicle during t…
  23-NA-064 · Technical service bulletin · Electrical System · issued Sep 21, 2024
• This bulletin provides information on Policies Applicable to All U.S. Dealers for Engine and Transmission Assembly Replacement Under Warranty, Policy or Customer Enthusiasm and inf…
  20-NA-138 · Technical service bulletin · Power Train · issued Sep 17, 2024
• This informational bulletin provides information on the turn signal stalk not cancelling and/or mis cancelling.
  21-NA-166 · Technical service bulletin · Electrical System · issued Sep 17, 2024
• This service bulletin provides information on some vehicles that may rock or move slightly forward or rearward while in Park at start up after cold soak. This condition may be acco…
  08-07-30-026I · Technical service bulletin · Power Train · issued Sep 16, 2024
• This warranty administration bulletin provides policy information, proper labor operation selection and causal part identification for warranty transactions (U.S. Only).
  18-NA-146 · Technical service bulletin · Unknown OR Other · issued Sep 14, 2024
• This informational bulletin provides information on Information on Bright PVD (Physical Vapor Deposition) Wheels Appearance and Care.
  24-NA-187 · Technical service bulletin · Wheels · issued Sep 12, 2024
• This bulletin provides a procedure to perform a diagnostic check to verify if DTCs P18AE and/or P0700 Set returns when reset and to clear the codes and validate code does not set a…
  23-NA-210 · Technical service bulletin · Power Train · issued Sep 11, 2024
• This service bulletin advises the technician to check if the transmission cooler lines are twisted to correct customer concerns of Harsh Shift, Shudder, Surge, Stall, Transmission …
  22-NA-182 · Technical service bulletin · Power Train · issued Sep 11, 2024
• This service bulletin provides information on Enhancing Field Product Reports with Digital Pictures.
  07-00-89-036K · Technical service bulletin · Unknown OR Other · issued Sep 10, 2024
• This service bulletin provides diagnostic information for technicians in cases of an ETRS system fault or a no start condition - If the vehicle needs to be moved, it is recommended…
  21-NA-281 · Technical service bulletin · Power Train · issued Sep 10, 2024
• This technical bulletin provides repair information to correct a customer concern of a squeak and/or clunking noise coming from the rear of the vehicle.
  19-NA-129 · Technical service bulletin · Suspension · issued Sep 9, 2024
• This service bulletin provides information for dealers/technicians on When and How to Submit a Field Product Report (FPR) (U.S. and Canada Dealers Only).
  02-00-89-002X · Technical service bulletin · Unknown OR Other · issued Sep 9, 2024
• This technical bulletin provides a procedure to locate and repair the rear glass if found water leaking past the urethane seal.
  24-NA-103 · Technical service bulletin · Structure · issued Sep 6, 2024
• The informational bulletin advises that the trim beadlock is for decoration and not actual function.
  24-NA-178 · Technical service bulletin · Wheels · issued Aug 30, 2024
• The bulletin provides direction on how to locate the Temporary Service Part (TSP) form in GlobalConnect.
  24-NA-174 · Technical service bulletin · Unknown OR Other · issued Aug 27, 2024
• This bulletin provides information on Wiper Blade Maintenance Tips.
  24-NA-164 · Technical service bulletin · Visibility/wiper · issued Aug 22, 2024
• This service bulletin provides information to dealership personnel on diagnosis and replacement of shock absorber and strut due to fluid leak.
  05-03-08-002J · Technical service bulletin · Suspension · issued Aug 22, 2024
• This service bulletin provides information to dealership personnel on diagnosis and replacement of shock absorber and strut due to fluid leak.
  05-03-08-002J · Technical service bulletin · Suspension · issued Aug 22, 2024
• This service bulletin provides graphics, information and guidelines for engine component wear to assist service personnel as a guideline to perform necessary engine repairs and pre…
  18-NA-073 · Technical service bulletin · Engine · issued Aug 19, 2024