2019 GMC Sierra 2500 problems & reliability
32 owner complaints filed with NHTSA for the 2019 GMC Sierra 2500, alongside 7 safety recall campaigns. Last verified Aug 7, 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 vehicles.
1 complaint report injuries (1 injured).
Most reported problems
| Component | Complaints | Share |
|---|---|---|
| Electrical System | 9 | 28% |
| Engine | 6 | 19% |
| Service Brakes | 4 | 13% |
| Fuel System, Diesel | 3 | 9% |
| Engine and Engine Cooling | 2 | 6% |
| Equipment | 2 | 6% |
| Exterior Lighting | 2 | 6% |
| Fuel/propulsion System | 2 | 6% |
| Power Train | 2 | 6% |
| Tires | 2 | 6% |
Component groups as classified by NHTSA. A complaint can name more than one component, so shares may sum to more than 100%.
Complaints by incident year
What owners report
“On 07/10/2026 at approximately 1:10 a.m., the parked and unoccupied vehicle caught fire while turned off. The vehicle had not been driven for several hours. A neighbor was awakened by the horn/alarm and popping noises, observed fire near the passenger-side cab/engine area, and called 911. The fire rapidly spread…”
Electrical System · filed Jul 22, 2026
“UI Bulletin #161b is for years 2020 and beyond. But my 2019 is having the same exact issue and the GM dealer will not cover the work as stated in the UI Bulletin #161b”
Electrical System · filed Mar 13, 2026
“The contact owned a 2019 GMC Sierra 2500. The contact stated that on several occasions while driving at undisclosed speeds, the vehicle lost motive power. There was no warning light illuminated. The vehicle was restarted; however, the failure recurred. The vehicle was taken to an independent mechanic, where it was…”
Fuel System, Gasoline · filed Feb 13, 2026
Verbatim excerpts from complaints filed with NHTSA. Reports are not independently verified.
Technical service bulletins
941 manufacturer communications (TSBs, service campaigns, warranty extensions) are on file with NHTSA for the 2019 GMC Sierra 2500. The 10 most recent:
This PI provides information to repair the door water deflector which is not sealed properly allows water into the door jam/sill area.
PIT5680B · Service Bulletin/Repair Instructions · issued Jul 23, 2026
PI to help diagnose A/C concern
PIT5099J · Service Bulletin/Repair Instructions · issued Jul 21, 2026
This PI provides diagnostic tips for diagnosing electric trailer brakes issues.
PIT5509N · Service Bulletin/Repair Instructions · issued Jul 21, 2026
This Preliminary information communicates information on a hydraulic rush type noise from the power steering gear. This noise is a characteristic of the new Active Hydraulic Assist System RPO NV8 and no repairs should…
PIT5544J · Service Bulletin/Repair Instructions · issued Jun 24, 2026
This document restricts dealers from ordering an engine assembly. The technician must contact GM Technical Assistance to have diagnostics verified and that an engine assembly is needed.
PIP6114 · Service Bulletin/Repair Instructions · issued May 19, 2026
This PI provides diagnostic tips for diagnosing electric trailer brakes issues.
PIT5509M · Service Bulletin/Repair Instructions · issued May 14, 2026
This preliminary information communicates information about how to determine if a wheel and tires size change is available.
PIT3271Q · Service Bulletin/Repair Instructions · issued Apr 1, 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 · Service Bulletin/Repair Instructions · issued Mar 9, 2026
This preliminary information advises a dealer on how to email GDS2 session logs into Technical Assistance.
PIP4902V · Service Bulletin/Repair Instructions · issued Mar 9, 2026
This Preliminary information communicates to the field on how to diagnosis a GPS issue with the Telematic module with no DTC'ss
PIT6425D · Service Bulletin/Repair Instructions · issued Mar 2, 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 2019 GMC Sierra 2500 has 7 NHTSA recall campaigns — 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 2019 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.