Problems owners report
Complaints filed with NHTSA about the 2025 GMC Sierra 3500, by the system named in each complaint. One complaint can name several.
- Service brakes4
- Electrical system3
- Unknown or other2
- Structure2
- Tires2
- Engine2
- Forward collision avoidance2
- Exterior lighting1
- Engine and engine cooling1
- Lane departure1
NHTSA ODI complaints (public domain) · updated 23 Oct 2026 · 0 injuries and 0 deaths reported
Compared with other years
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NHTSA ODI complaints by model year
Recalls
26V129000 · Fuel system, gasoline5 Mar 2026 · 11,807 vehicles
General Motors, LLC (GM) is recalling certain 2025-2026 Chevrolet Silverado 3500, and GMC Sierra 3500 vehicles with gasoline engines and dual fuel tanks (RPOs L8T and N2N). The rear fuel pump may not transfer adequate fuel to the front tank, causing an engine stall.
Whether a recall was fixed on a particular car is known only to the manufacturer: check the VIN at nhtsa.gov/recalls.
NHTSA recalls · summaries in NHTSA's own words
Service bulletins
What GMC told its dealers about the 2025 GMC Sierra 3500: known faults, fixes and updates.
| Bulletin | Summary |
|---|---|
| 11012027 | 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 Inspection. On trucks equipped with the Back Up Alarm (RPO 8S3), the alarm will be intentionally left disconnected from the assembly plant. Technician will reroute the harness and plug it in. |
| 11012007 | This bulletin helps aid the tech in possible transmission noise that may be normal or abnormal depending on the concern noted. |
| 11012003 | This service bulletin provides a service procedure to correct customer concerns of Air Conditioning (A/C) Not Working and/or Blows Warm Air. |
| 11012001 | 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 backdated to communicate properly. |
| 11011996 | This service bulletin provides diagnostic/repair information to correct a customer concern of Cellphone not Charging or USB Receptacle Inoperative. |
| 11011991 | This informational bulletin advises the technician of how the Soot information has changed from grams to percentage. |
| 11011989 | This service bulletin provides information on the harmful effects of ethylene glycol in transmission fluid. |
| 11011900 | This diagnostic tip bulletin provides additional information on how to diagnose a possible valve, lifter or camshaft issue. |
| 11011885 | 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 overthe air update. |
| 11011879 | This technical bulletin provides a procedure to correct the condition of Malfunction Indicator Lamp Illuminated with DTC P24D6 or P0F37. |
| 11011872 | This Preliminary information communicates a diagnostic tip on how to resolve a issue if the serial data authentication configuration did not complete correctly. |
| 11011857 | This Preliminary information communicatesDiagnostic Tips When Having Difficulties Programming Or Adding Key Fobs / Transmitters. |
| 11011832 | This bulletin offers Information on Intellibeam Inop, Auto High Beam Headlamps, Side Blind Zone Inop, and/or Side Object Detection Inop. |
| 11011805 | This Preliminary information communicates a GM part number forreflective high temperature heat or insulating tape when repairing wiring harnesses. |
| 11011709 | 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. |
| 11011704 | This informational bulletin provides technicians and dealership personnel with spray-in bed liner general information and repair procedures. |
| 11011694 | This Preliminary information communicates Thus the active safety systems maybe inoperable and to perform a module reset to correct. |
| 11011693 | This Preliminary information communicates how to recover the Image Processing Module. |
| 11011687 | This Preliminary information communicationprovides information to the technician on installing Regular Production Option Code UVC Rearview Camera.Technician will need to reference the latest version of General Motors Up-fitter Integration Bulletin 152. The information can be found at http://www.gmupfitter.com/ under the "Technical Bulletin" Tab and then "Show all bulletins." |
| 11011682 | This Preliminary information communicates recovery procedure after return to dealer message. |
| 11011483 | This Preliminary information communicates to the dealer technician that DTC P244B may set due to water in the differential pressure sensor after a car wash. It relays that the concern is under investigation. |
| 11011477 | 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 module software to correct this concern, but in the meantime customers can enter of 118 inches to allow the system to calibrate. |
| 11011476 | 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 overthe air update. |
| 11011475 | This Preliminary information communicates a diagnostic tip on how to resolve a issue if the serial data authentication configuration did not complete correctly. |
| 11011443 | This Preliminary information communicates information on faulty replacement K111Fuel Pump Driver Control Module. |
NHTSA manufacturer communications (public domain)