2015 GMC Sierra 2500Problems, recalls & complaints

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.

2015 GMC Sierra 2500

Source: NHTSA complaints, recalls, investigations and manufacturer recall reports, through November 4, 2026. Updated daily. Photo: SsmIntrigue, CC BY-SA 4.0.

Complaints by system

Where the 2015 GMC Sierra 2500 has problems

91 complaints grouped by the system owners reported.

Box size = number of complaints naming that system. Darker = larger share. One complaint can name more than one system.
Complaints by system
SystemComplaintsCrash, fire or injury
Exterior lighting261
Electrical system113
Fuel/propulsion system100
Power train82
Engine71
Service brakes53
Steering40
Air bags31
Seat belts30
8 other systems173

Source: NHTSA Office of Defects Investigation. Complaints are submitted by the public and are not verified by NHTSA.

6 recalls

2015 GMC Sierra 2500 recalls and how many were fixed

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.

55%repaired · 2025 Q1

Curtain: inflator

Recall 21V-504 · Jul 1, 2021 · 410,019 vehicles · 224,341 repaired

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…

Problem, fix and repair progress →

–no report yet

Curtain: inflator

Recall 20V-736 · Nov 25, 2020 · 9,279 vehicles

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…

Problem, fix and repair progress →

77%repaired · 2020 Q2

Service brakes, hydraulic: pedals and linkages

Recall 18V-578 · Aug 30, 2018 · 42,280 vehicles · 32,585 repaired

Risk. If the brake pedal becomes loose or inoperative, the driver may be unable to stop the vehicle by using the brake pedal.

Problem, fix and repair progress →

84%repaired · 2018 Q4

Air bags: frontal

Recall 17V-437 · Jul 10, 2017 · 40,683 vehicles · 34,331 repaired

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…

Problem, fix and repair progress →

Show 2 more recalls
90%repaired · 2018 Q2

Air bags: frontal

Recall 16V-651 · Sep 8, 2016 · 3,640,162 vehicles · 3,286,598 repaired

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…

Problem, fix and repair progress →

89%repaired · 2017 Q2

Service brakes, hydraulic: pedals and linkages

Recall 16V-069 · Feb 5, 2016 · 430,771 vehicles · 381,711 repaired

Risk. If the brake pedal becomes loose or inoperative, the driver may be unable to stop the vehicle by using the brake pedal.

Problem, fix and repair progress →

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.

Best & worst years

2015 vs. every other Sierra 2500 year

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

'97'98'99'00'01'02'03'04'05'06'07'08'09'10'11'12'13'14'15'16'17'18'19'20'21'22'23'24'25'26
  • Avoid
  • Caution
  • Solid
  • Best
  • Not rated
NHTSA crash tests

2015 GMC Sierra 2500 safety ratings

2015 GMC Sierra 2500 PU/EC RWD in NHTSA's New Car Assessment Program. Photos are from NHTSA's crash tests.

★★★★★Overall rating
  • Rollover: 3 stars (20.7% risk)
  • Stability control: Standard
  • Forward collision warning: No
  • Lane departure warning: No
1 investigation

NHTSA defect investigations

Federal investigations that included the 2015 GMC Sierra 2500, and the recalls they led to.

  1. Desiccated Air Bag Inflator RuptureEA21002 · still open
    Open
In owners' words

What Sierra 2500 owners report

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
Complaint 11445825 · Jan 1, 2022
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…
Complaint 11164817 · Jan 7, 2019
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…
Complaint 11164116 · Dec 30, 2018 · 16,000 miles

Own a 2015 Sierra 2500?

Decode your VIN to see the recalls for your exact car, then confirm open recalls with NHTSA.