2024 GMC Sierra 2500 problems & reliability
97 owner complaints filed with NHTSA for the 2024 GMC Sierra 2500, alongside 3 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 (3 injured).
Most reported problems
| Component | Complaints | Share |
|---|---|---|
| Electrical System → | 31 | 32% |
| Power Train → | 23 | 24% |
| Service Brakes → | 14 | 14% |
| Unknown OR Other | 11 | 11% |
| Engine | 9 | 9% |
| Structure | 6 | 6% |
| Vehicle Speed Control | 4 | 4% |
| Exterior Lighting | 3 | 3% |
| Forward Collision Avoidance | 3 | 3% |
| Fuel/propulsion System | 3 | 3% |
Component groups as classified by NHTSA. A complaint can name more than one component, so shares may sum to more than 100%.
Common symptoms owners describe
Keyword analysis of complaint narratives; one complaint can describe several symptoms.
Mileage when problems occurred
Half of the failures with a reported odometer reading occurred by 9,904 miles (middle 50% between 3,500 and 40,750 miles), based on 22 complaints that included mileage.
Complaints by incident year
What owners report
“While towing my fifth-wheel trailer, I was descending a hill (I had my tow/haul switch engaged) when I noticed an issue with my vehicle. Upon reaching the bottom of the hill and beginning to decelerate, when applying gas to continue up the hill the vehicle shuddered noticeably. A warning light briefly illuminated on…”
Power Train · filed Jul 23, 2026
“The tailgate opens unexpectedly, it can be inspected but it is in for repairs on 6/15/26. There was luggage in the back and it could have fallen out on the freeway. The problem has not been repeated by the dealer, but it has occurred several times in the past. The vehicle had not been inspected by others. There was no…”
Unknown OR Other · filed Jun 14, 2026
“Unexpected braking at highway speeds. This has at least 50 times at highway speeds. The truck has experienced repeated false Forward Collision Alerts and un-commanded Automatic Emergency Braking events. Adaptive Cruise Control frequently detects roadside objects and vehicles in adjacent lanes, particularly on curves…”
Forward Collision Avoidance · filed Jun 8, 2026
Verbatim excerpts from complaints filed with NHTSA. Reports are not independently verified.
Technical service bulletins
840 manufacturer communications (TSBs, service campaigns, warranty extensions) are on file with NHTSA for the 2024 GMC Sierra 2500. The 10 most recent:
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 PI communicates diagnostic information to assist Technicians with a possible transmission shudder
PIP6060A · Service Bulletin/Repair Instructions · 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 · Service Bulletin/Repair Instructions · 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 · 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 PI was created to help avoid unnecessary front camera module replacements
PIT6473F · Service Bulletin/Repair Instructions · issued Jul 17, 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 · Service Bulletin/Repair Instructions · issued Jul 6, 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 performing any in depth diagnostics.
PIT6531 · Service Bulletin/Repair Instructions · issued Jun 29, 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
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 2024 GMC Sierra 2500 has 3 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 2024 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.
- · Owners most often reported problems around 9,904 miles — budget accordingly if the car is approaching that mileage.