Curtain: inflator
Risk. A separated inflator end cap or inflator rupture can allow compressed gas to escape, resulting in the end cap or other components being propelled into the…
NHTSA has logged 91 owner complaints about the 2015 GMC Sierra 2500, most often about the exterior lighting. It is covered by 6 safety recalls, and for recall 21V-504 the manufacturer reports only 55% of affected cars repaired.

Source: NHTSA complaints, recalls, investigations and manufacturer recall reports, through November 4, 2026. Updated daily. Photo: SsmIntrigue, CC BY-SA 4.0.
91 complaints grouped by the system owners reported.
| System | Complaints | Crash, fire or injury |
|---|---|---|
| Exterior lighting | 26 | 1 |
| Electrical system | 11 | 3 |
| Fuel/propulsion system | 10 | 0 |
| Power train | 8 | 2 |
| Engine | 7 | 1 |
| Service brakes | 5 | 3 |
| Steering | 4 | 0 |
| Air bags | 3 | 1 |
| Seat belts | 3 | 0 |
| 8 other systems | 17 | 3 |
Source: NHTSA Office of Defects Investigation. Complaints are submitted by the public and are not verified by NHTSA.
Each ring shows the share of affected cars repaired, from the manufacturer’s latest quarterly report to NHTSA. Recall repairs are free at authorized dealers.
Risk. A separated inflator end cap or inflator rupture can allow compressed gas to escape, resulting in the end cap or other components being propelled into the…
Risk. If the end cap separates from the inflator, the compressed gas will escape and the end cap can be propelled into the vehicle, increasing the risk of injury or…
Risk. If the brake pedal becomes loose or inoperative, the driver may be unable to stop the vehicle by using the brake pedal.
Risk. A failure of the front air bags or seat belt pretensioners to deploy in the event of a crash necessitating deployment increases the risk of injury to the…
Risk. A failure of the front air bags or seat belt pretensioners to deploy in the event of a crash necessitating deployment increases the risk of injury to the…
Risk. If the brake pedal becomes loose or inoperative, the driver may be unable to stop the vehicle by using the brake pedal.
Recalls apply to specific cars. To see whether a recall is still open on yours, enter the 17-character VIN at nhtsa.gov/recalls or with GMC.
Bars show complaints per model year. Colors show the CarFlaw verdict: complaints weighted for crashes, fires and injuries, adjusted for years on the road and compared with the Sierra 2500 median. How we score
2015 GMC Sierra 2500 PU/EC RWD in NHTSA's New Car Assessment Program. Photos are from NHTSA's crash tests.
Federal investigations that included the 2015 GMC Sierra 2500, and the recalls they led to.
Recent exterior lighting complaints filed with NHTSA, shortened. Personal details are removed.
Headlights were about as bright as a candle while using high beams changed the bulbs and used a head light restoration kit and within a week headlight lenses were hazed over again high beams are no brighter than low beams
THE HEADLIGHTS ARE COMPLETELY INADEQUATE. IF YOU ARE TAKING A TURN AT NIGHT, THE LIGHTS CONTINUE TO STAY STRAIGHT WITH THE DIRECTION OF THE VEHICLE INSTEAD OF FOLLOWING THE VEHICLE SO THAT YOU END UP TAKING A TURN BLINDLY AND CANNOT SEE THE CURB OR EDGE OF THE ROAD. IT IS A TOTALLY UNSAFE…
THE PROJECTOR HEADLIGHTS THAT ARE INSTALLED IN THIS VEHICLE FROM THE FACTORY DO NOT PROVIDE ADEQUATE VISIBILITY AT NIGHT. I AM UNABLE TO SEE MORE THAT 15 FEET IN FRONT OF THIS VEHICLE FROM A SAFETY PERSPECTIVE. I HAVE RETURNED THE VEHICLE TO THE DEALER MULTIPLE TIMES FOR REPAIR. THEY CHANGED THE…
Decode your VIN to see the recalls for your exact car, then confirm open recalls with NHTSA.