2012 GMC Sierra

110 serious complaints of 152, the most about air bags (48) and structure (31); per car on the road, 0.2× this model's usual year. 3 recalls. NHTSA investigation EA21002: desiccated air bag inflator rupture.

What owners report

“Takata recall. The contact owns a 2012 gmc sierra 1500. The contact received notification of nhtsa campaign number: 21v054000 (air bags) however, the part to do the recall repair was unavailable. A dealer was not contacted. The contact stated that the manufacturer had exceeded a reasonable amount of time for the recall repair.”

An owner's complaint to NHTSA about the air bags, Apr 2021

“The contact owns a 2012 gmc sierra. The contact stated that the passenger side dashboard was cracked above the air bag housing. The vehicle was taken to the dealer where it was diagnosed that the dashboard needed to be replaced. The vehicle was not repaired. The manufacturer was made aware of the failure. The failure mileage was 57,000.”

An owner's complaint to NHTSA about the structure, Sep 2015

Fixes and extended coverage

• Extended coverage On some 2012 model year chevrolet silverado, express, colorado and gmc sierra, savana, and canyon vehicles equipped with a 4.3l, 2.9l, or 3.7l engine (rpo lu3, llv, or llr) and a 4l60e automatic transmission (rpo m30), the malfunction indicator lamp (mil) may be illuminated and the transmission… (15111, Jun 2015)
• Extended coverage On some 2010-2012 model year chevrolet express and gmc savana vehicles and 2011-2012 model year chevrolet silverado hd and gmc sierra hd vehicles that are equipped with a 6.6l diesel engine (lml/lgh), a malfunction-indicator light (mil) may illuminate due to an offset in the temperature sensor in… (14652, Jul 2015)
• Extended coverage Some 2008-2009 model year chevrolet silverado and gmc sierra light-duty vehicles registered in canada or 2007, and 2010-2013 model year chevrolet silverado and gmc sierra light duty vehicles registered in or previously registered in maine, new hampshire, new york, and vermont or in the canadian… (14520, Mar 2016)
• Extended coverage On some vehicles equipped with a 6.6L Duramax Diesel engine (RPO LML, LGH) the malfunction indicator lamp (MIL) may illuminate due to a condition with the glow plugs. Special Coverage. (15114, Jan 2019)
• Extended coverage On some hybrid 2-mode (hp2) vehicles, the accessory power module (apm) may not initialize when the vehicle is started in cold temperatures and the apm is cold. 14262 - special coverage. (G-203256, Oct 2014)
• Repair program Certain 2011-2012 model year chevrolet express and gmc savana vehicles, and chevrolet silverado and suburban, and gmc sierra and yukon xl 2500 series vehicles, all equipped with a 10.5" rear axle, may have a condition in which the rear axle right-hand side bearing adjuster clip and bolt may come… (12050C, May 2015)

From the manufacturer's bulletins filed with NHTSA. A dealer can look up whether a car has had the work done or is still covered.

152 owner complaints · 3 recalls (check a car's VIN for open recalls) · EPA combined: 14–21 mpg · NHTSA: 3–4 of 5 stars · 2012 trims and features