2025 GMC Sierra 2500 problems & reliability
26 owner complaints filed with NHTSA for the 2025 GMC Sierra 2500, alongside 1 safety recall campaign. Last verified Sep 21, 2026. Complaints are unverified reports submitted by owners to the federal Office of Defects Investigation.
Each complaint is counted once (by NHTSA case number), even when it names several components.
Most reported problems
| Component | Complaints | Share |
|---|---|---|
| Steering | 7 | 27% |
| Service Brakes | 6 | 23% |
| Engine | 4 | 15% |
| Unknown / Other | 4 | 15% |
| Power Train | 3 | 12% |
| Equipment | 2 | 8% |
| Exterior Lighting | 2 | 8% |
| Structure | 2 | 8% |
| Suspension | 2 | 8% |
| Electrical System | 1 | 4% |
Component groups as classified by NHTSA. A complaint can name more than one component, so shares may sum to more than 100%.
All 13 reported components →What owners report
“My 2025 GMC Sierra 2500 experienced repeated electrical failures that caused complete battery drainage and multiple overnight no‑start conditions within the first year of ownership. These failures occurred in extreme desert heat, where temperatures in [XXX] reach 120°F. A vehicle that repeatedly fails to start in…”
Exterior Lighting · filed Aug 25, 2026
“My 2025 Sierra 2500HD repeatedly displays “Trailer Brakes Disabled—Service Required” with a lithium- and solar-equipped trailer. The truck passes the EL-52641 simulator, but the failure occurs intermittently while towing and resets after Park or reconnecting the trailer. This closely matches the…”
Service Brakes · filed Jul 27, 2026
“Power steering pump failed when decelerating after 9500 miles. When power steering pump fails, power assisted braking also fails. Upon deceleration, I could not turn the steering wheel at all or stop the vehicle without extreme pressure on the brake pedal. I narrowly avoided impact with a concrete barricade at the…”
Steering · filed May 2, 2026
Verbatim excerpts from complaints filed with NHTSA. Reports are not independently verified.
Technical service bulletins
360 manufacturer communications (TSBs, service campaigns, warranty extensions) are on file with NHTSA for the 2025 GMC Sierra 2500. The 10 most recent:
This PI is to instruct dealer on diagnostic procedures that need to be completed prior to replacing a radio or IPC display
PIC6629F · Service Bulletin/Repair Instructions · issued Sep 10, 2026
This preliminary information advises a dealer on how to email GDS2 session logs into Technical Assistance.
PIP4902W · Service Bulletin/Repair Instructions · issued Sep 4, 2026
This PI is created to inform GM dealers that some vehicles may intermittently fail to connect wireless Apple CarPlay or Android Auto after Bluetooth pairing during the first key cycle. The condition is caused by a…
PIT6545 · Service Bulletin/Repair Instructions · issued Sep 3, 2026
This preliminary information communicates a diagnostic tip for the tailgate release system and tailgate ajar message.
PIT6543 · Service Bulletin/Repair Instructions · issued Sep 3, 2026
This Preliminary information communicates to the technicians a diagnostic tip if a technician loses communication with the image processor #2 and how to restore communication
PIT6541 · Service Bulletin/Repair Instructions · issued Aug 27, 2026
This Preliminary information communicates to dealer to perform a MEC reset for wireless projection issues
PIC6551C · Service Bulletin/Repair Instructions · issued Aug 20, 2026
• Improvements to accuracy for Diesel Exhaust Fluid level shown in driver display
662.30 · Over The Air · issued Aug 19, 2026
• Improvements to active cabin ventilation • Additional protection for the health of your battery • Improvements to the software update system • Fixes to help ensure proper functionality for heating and cooling…
662.20 · Over The Air · issued Aug 8, 2026
This Preliminary information communicates an issue with the SES MIL and DTC P062B and engineering is currently investigating.
PIT6110K · Service Bulletin/Repair Instructions · 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 software updates. During the update…
N26-F163BX · Over The Air · issued Jul 28, 2026
TSBs are repair guidance manufacturers send to dealers — they are not recalls and repairs are not automatically free. Full documents are available on NHTSA’s site.
Safety recalls
The 2025 GMC Sierra 2500 has 1 NHTSA recall campaign — recall repairs are free at franchised dealers regardless of the vehicle’s age.
Check whether your specific vehicle is affected
Recall campaigns often cover only certain VIN ranges. Enter your VIN on the official NHTSA site to confirm whether your vehicle is included and whether the repair is still open.
Check VIN on NHTSA →Buying a used 2025 GMC Sierra 2500?
- · Decode the seller’s VIN with our free VIN decoder to confirm the exact year, engine and trim.
- · Check for unrepaired recalls by VIN on NHTSA’s official lookup — recall repairs are free.