2015 GMC Sierra 2500: Recalls, Problems & MPG
Here are the deets on the 2015 GMC Sierra 2500: 6 recalls, 89 owner complaints.
Recalls
6 vehicle recalls from the manufacturer. Repairs are free. Check your VIN to see if one is still open on your car.
Brakes (hydraulic) Vehicle recall #16V069000 · 2016 · 430,771 vehicles
What's wrong: On the affected vehicles, the brake pedal pivot nut May loosen, causing the brake pedal to be loose or inoperative.
Why it matters: If the brake pedal becomes loose or inoperative, the driver May be unable to stop the vehicle by using the brake pedal. Additionally, a loose pedal May also interfere with the accelerator pedal. Either condition May increase the risk of a crash.
The fix: Gm will notify owners, and dealers will add adhesive to the brake pedal pivot nut and reinstall with an increased torque, free of charge. The recall began on March 14, 2016.
Seat belts, Airbags Vehicle recall #16V651000 · 2016 · 3,640,162 vehicles
What's wrong: In the affected vehicles, certain driving conditions May cause the air bag sensing and diagnostic module (sdm) software to activate a diagnostic test. During this test, deployment of the frontal air bags and the seat belt pretensioners would not occur in the event of a crash.
Why it matters: 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 driver and front passenger.
The fix: Gm will notify owners, and dealers will reflash the sdm software. Vehicles that have had a previous air bag deployment will have the sdm replaced. These repairs will be performed free of charge. The recall began on October 13, 2016.
Seat belts, Airbags Vehicle recall #17V437000 · 2017 · 40,683 vehicles
What's wrong: While being previously remedied for recall 16v-651, the affected vehicles May not have received the complete software update necessary to remedy the recall condition. Without the update, certain driving conditions May cause the air bag sensing and diagnostic module (sdm) software to activate a diagnostic test. During this test, deployment of the frontal air bags and the seat belt pretensioners would not occur in the…
Why it matters: 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 driver and front passenger.
The fix: Gm will notify owners, and dealers will reflash the sdm software. Vehicles that have had a previous air bag deployment will have the sdm replaced. These repairs will be performed free of charge. The recall began on August 4, 2017.
Brakes (hydraulic) Vehicle recall #18V578000 · 2018 · 42,280 vehicles
What's wrong: The brake pedal pivot nut May loosen, causing the brake pedal to be loose or inoperative.
Why it matters: If the brake pedal becomes loose or inoperative, the driver May be unable to stop the vehicle by using the brake pedal. Additionally, a loose pedal May also interfere with the accelerator pedal. Either condition May increase the risk of a crash.
The fix: Gm will notify owners, and dealers will add adhesive to the nut and reinstall the nut with increased tightness, free of charge. The recall began October 3, 2018.
Airbags Vehicle recall #20V736000 · 2020 · 9,279 vehicles
What's wrong: The roof-rail air bag (rrab) inflator end cap May detach from the inflator.
Why it matters: 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 a crash.
The fix: Gm will notify owners, and dealers will replace the rrab modules on the left and/or right side, free of charge. Interim owner notification letters were mailed on December 22, 2020.
Airbags Vehicle recall #21V504000 · 2021 · 410,019 vehicles
What's wrong: The roof-rail air bag (rrab) inflator end cap May detach from the inflator, or the inflator sidewall May rupture.
Why it matters: 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 vehicle, increasing the risk of injury or crash.
The fix: Dealers will replace the left and right side rrab modules, free of charge. Interim owner notification letters informing owners of the safety risk were mailed on August 18, 2021. Owners will receive a second notice when the remedy is available. Phase i owner notification letters were mailed on May…
Most-reported problems
Owner complaints filed with NHTSA, by component. One complaint can list several components. 5 mention a fire, 2 injuries and 0 deaths were reported.
What owners describe
- Exterior lights (26): the most common themes are warning light on (3).
- Electrical (11): the most common themes are electrical failure (4), fire / smoke (3).
- Fuel & propulsion (10): the most common themes are stalls / loses power (4).
- Transmission & drivetrain (8): the most common themes are noise or vibration (3), hard / delayed shifting (2).
The 2015 GMC Sierra 2500 has 89 owner complaints, ranking #7 of 31 Sierra 2500 model years for complaints (1.5× the average Sierra 2500 year). Complaints peaked in 2016 (19 filed that year). The typical problem showed up when the car was about 4 years old, at a median of 37,023 miles. Neighboring years: 2014 (30 complaints, 2 recalls), 2016 (59 complaints, 6 recalls).
Want the full repair deets? Get the factory manual.
Recall and complaint data tells you what goes wrong. A service manual tells you how to fix it: torque specs, wiring diagrams, fluid capacities and step-by-step procedures for the 2015 GMC Sierra 2500.
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FAQ
Does the 2015 GMC Sierra 2500 have any recalls?
Yes. NHTSA lists 6 vehicle recalls for the 2015 GMC Sierra 2500. Recall repairs are free at any dealer, no matter how old the car is. Check your VIN at nhtsa.gov/recalls.
What are the most common 2015 GMC Sierra 2500 problems?
Owners have filed 89 complaints with NHTSA. The most-reported areas are exterior lights (26), electrical (11), fuel & propulsion (10).
Where can I get a 2015 GMC Sierra 2500 repair manual?
eManualOnline sells downloadable manuals, Mitchell 1 DIY and ALLDATAdiy sell online access to factory repair data, and Haynes sells printed guides and online access. Pick a download if you want to keep it, or a subscription for wiring diagrams and TSBs.