2005 GMC Sierra 2500 problems & reliability
115 owner complaints filed with NHTSA for the 2005 GMC Sierra 2500, alongside 1 safety recall campaign. 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.
3 complaints report injuries (5 injured).
Most reported problems
| Component | Complaints | Share |
|---|---|---|
| Electrical System | 42 | 37% |
| Service Brakes | 19 | 17% |
| Service Brakes, Hydraulic | 19 | 17% |
| Steering | 16 | 14% |
| Engine and Engine Cooling | 13 | 11% |
| Power Train | 7 | 6% |
| Structure | 6 | 5% |
| Engine | 5 | 4% |
| Wheels | 5 | 4% |
| Air Bags | 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 61,000 miles (middle 50% between 41,000 and 94,500 miles), based on 101 complaints that included mileage.
Complaints by incident year
What owners report
“1). Dash light stays on constantly and reads SERVICE AIR BAG. This was checked out at an auto repair shop. If air bag doesn't respond, it could be fatal. 2). Check engine light is always on. Was checked out at an auto repair shop and repaired on 10/19/2021. 3). Right engine exhaust manifold is cracked and leaking…”
Engine · filed Dec 23, 2023
“Tl* the contact owns a 2005 gmc sierra 2500. The contact stated he replaced all the brake lines on the vehicle and also stated that the body frame of the vehicle was corroded. The vehicle was taken to an independence mechanic where all the corroded brake lines were replace. The vehicle was not diagnosed. A dealer was…”
Structure · filed Mar 4, 2021
“My truck has had the odometer rolled back acording to the carfax report. I bought this truck about 2 years ago and was unaware of the until today when I tried to trade it in and the salesman made me aware of this”
Unknown OR Other · filed Feb 15, 2020
Verbatim excerpts from complaints filed with NHTSA. Reports are not independently verified.
Technical service bulletins
383 manufacturer communications (TSBs, service campaigns, warranty extensions) are on file with NHTSA for the 2005 GMC Sierra 2500. The 10 most recent:
This PI communicates the requirement to provide a pico file to receive diagnostic assistance from TAC.
PIP5601C · Service Bulletin/Repair Instructions · 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 terminated leads.
PIT5074R · Service Bulletin/Repair Instructions · 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 terminated leads.
PIT5074R · Service Bulletin/Repair Instructions · 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 terminated leads.
PIT5074R · Service Bulletin/Repair Instructions · issued May 30, 2025
This Preliminary information communicates an issues with the odometer being incorrect after a programming event and how the dealership can resolve the issue.
PIT5851F · Service Bulletin/Repair Instructions · issued Apr 4, 2025
This service bulletin provides information for dealers/technicians on OnStar Module 2G Sunset Information.
23-NA-001 · Service Bulletin/Repair Instructions · issued Mar 28, 2025
This service bulletin explains how to measure for oil consumption and possible reasons for loss of oil.
03-06-01-023I · Service Bulletin/Repair Instructions · issued Dec 18, 2024
This service bulletin explains how to measure for oil consumption and possible reasons for loss of oil.
03-06-01-023H · Service Bulletin/Repair Instructions · issued Oct 7, 2024
This service bulletin provides information for dealers/technicians on When and How to Submit a Field Product Report (FPR) (U.S. and Canada Dealers Only).
02-00-89-002X · Service Bulletin/Repair Instructions · issued Sep 9, 2024
This Preliminary Information communication provides information to the technician about changing the tire and wheel size on vehicles. General Motors will only support a tire calibration for tires that have been sized…
PIT3271P · Service Bulletin/Repair Instructions · issued Sep 6, 2024
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 2005 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 2005 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 61,000 miles — budget accordingly if the car is approaching that mileage.