2026 GMC Sierra 1500 service bulletins & manufacturer communications
188 manufacturer communications are on file with NHTSA for the 2026 GMC Sierra 1500. TSBs are repair guidance for dealers — they are not recalls, and repairs are not automatically free.
Technical service bulletin 182Service campaign 6
- Certain vehicles listed above may have a condition in which the oil filter was not adequately tightened. Dealers are to check and tighten the oil filter if found to be loose.N262568830 · Service campaign · Engine · issued Aug 4, 2026
- 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 PI communicates diagnostic information to assist Technicians with a possible transmission shudderPIP6060A · 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
- • Improvements to reliability when extending the running boards on your vehicle. • Improvements to start reliability and reduced check engine light activation. • Improvements to tu…662.30 · Technical service bulletin · Unknown OR Other · issued Jul 21, 2026
- PI to help diagnose A/C concernPIT5099J · 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 replacementsPIT6473F · Technical service bulletin · Unknown OR Other · issued Jul 17, 2026
- Improvements to accuracy for Diesel Exhaust Fluid level shown in driver display.662.21 · Technical service bulletin · Unknown OR Other · issued Jul 14, 2026
- • Fixes to help ensure proper functionality for heating and cooling features • Improvements to night mode lights for shifting gears • Fixes for Daytime Running Lamps turning on whe…662.10 · Technical service bulletin · Unknown OR Other · issued Jul 14, 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 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
- The purpose of this PI is to inform dealer technicians of a normal cab pressure relief valve noise to avoid unnecessary part replacementPIT6532 · 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 provides diagnostic steps for dealer technicians to verify the condition and ensure that part replacement is necessaryPIT6523 · 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
- Fog lamp control may be missing from radio display after a BCM update. Engineering is investigating.PIT6426B · 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
- Certain vehicles may have been built with the incorrect Body Control Module (BCM) calibration data file. Dealers will reprogram the BCM with the correct software.N262558300 · Service campaign · 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 dealership technicians that if they encounter a customer vehicle with this concern, to perform the steps listed and should be able to r…PIT6215C · 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 NKDPIT6406K · 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 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 issuePIC6423A · Technical service bulletin · Unknown OR Other · issued May 11, 2026
- This Preliminary information communicates to dealer to perform a MEC reset for wireless projection issuesPIC6551B · 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 displayPIC6629E · 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 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 NKDPIT6406H · 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 messagePIT6511 · 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 NKDPIT6406G · 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 displayPIC6629D · Technical service bulletin · Unknown OR Other · issued Apr 23, 2026
- This is a diagnostic PI to assist on a repair to fix a concern for the HVAC temperature doors binding at timesPIT6452D · Technical service bulletin · Unknown OR Other · issued Apr 21, 2026
- Certain vehicles listed above may have a condition in which there are splits in the cab door ring in the rear outboard side of the roof ditch and exterior cab door ring. Dealers wi…N262547670 · Service campaign · Structure · issued Apr 20, 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
- 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 replacementsPIT6473E · 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 replacementsPIT6473D · Technical service bulletin · Unknown OR Other · issued Mar 13, 2026
- This PI was created to help avoid unnecessary front camera module replacementsPIT6473C · 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 NKDPIT6473B · 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 NKDPIT6406F · 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 displayPIC6629C · 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'ssPIT6425D · 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
- A vehicle may have a service driver assist message and the technician cannot get the Long Range Radar learn procedure to complete. Tech is directed to drive a city route to complet…PIT6394D · 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 Preliminary information communicates that the Tailgate Assist Handle is not included with certain truck models and how to get one if needed.PIT6485 · 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
- Certain vehicles may experience water intrusion due to a hole in the cabin Pressure Relief Valve. Dealers are to seal the hole using RTV sealant.N252536560 · Service campaign · Unknown OR Other · issued Feb 16, 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 timesPIT6452C · 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 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 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'sPIT6425C · 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 timesPIT6452B · 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 idlePIP6023D · 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
- 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 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 displayPIC6629B · Technical service bulletin · Unknown OR Other · issued Dec 12, 2025
- • Improvements to audio system performance. • Fixes to help ensure proper functionality for the center display. During the update process, your radio may stay on up to 5 minutes …654.20 · Technical service bulletin · Unknown OR Other · issued Dec 10, 2025
- • Fixes to help ensure proper functionality for transmission system. During the update process, your radio may stay on up to 5 minutes after you exit the vehicle. This is expected …654.30 · 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 NKDPIT6406D · 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
- This preliminary information communicates an issue with a Service Brake system message and DTC C0597 C055F. Dealers are to replace the brake master cylinder.PIT6450A · Technical service bulletin · Unknown OR Other · issued Nov 14, 2025
- This is a diagnostic PI to assist on a repair to fix a concern for the HVAC temperature doors binding at timesPIT6452A · 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 displayPIC6629A · 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 timesPIT6452 · 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 displayPIC6629 · 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 preliminary information communicates an issue with a Service Brake system message and DTC C0597. Dealers are to replace the brake master cylinder.PIT6450 · Technical service bulletin · Unknown OR Other · issued Nov 7, 2025
- Service Update. Certain vehicles listed above may have a condition which can cause the fuel pump power control module to fail. If this were to occur, fuel flow to the engine could …N252526150 · Service campaign · Fuel/propulsion System · issued Nov 4, 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 characteristicPIT6449 · 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 NKDPIT6406C · 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 issue with an aftermarket device wired into the vehicle and cause the vehicle to turn off when shifted into gear. This PI provides a di…PIT6234A · Technical service bulletin · Unknown OR Other · issued Oct 22, 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'sPIT6425B · 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'sPIT6425A · Technical service bulletin · Unknown OR Other · issued Oct 17, 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
- Certain vehicles may have a condition in which the Intermediate Steering Shaft Lower Bolt is below torque specification. Dealers will inspect and if necessary, correct the front br…N252523390 · Service campaign · Steering · issued Oct 9, 2025
- This Preliminary Information communicates direction for different audio issues with RPO UQA, UQF, UQS, or NKDPIT6406B · 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 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 IVH13598 · 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 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 communicates that the Tailgate Assist Handle is not included with certain truck models and how to get one if needed.PIT6213C · 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 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 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 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
- GM Update N25-F163BU 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 …N25-F163BU · Technical service bulletin · Unknown OR Other · issued Jul 26, 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 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
- 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
- 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 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 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 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 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 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 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 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 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 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 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 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 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