2012 GMC Sierra Denali Brakes Problems
- Complaints
- 2about this part
- Share
- 20%of 10 total for the year
- Median mileage
- 36,000miles
- Trend
- Not enough dataFewer than 15 complaints, too few for a reliable trend.
NHTSA recorded 2 complaints about the brakes of the 2012 GMC Sierra Denali, 20% of the 10 complaints for this model year. Where a mileage was given, the median is 36,000 miles.
Fewer than 15 complaints name this part, so treat the figures as a rough indication only.
Example complaints
Selected from NHTSA records; personal details are removed. They are consumer reports, not findings.
“After exiting interstate lost steering and brakes briefly in parking lot. Pumped brake and both returned after a hissing sound. Recurred a few times in next 6 months or so. Then, in the fall of 2013, lost steering and brakes on I-49/us71b heading south from joplin, missouri. You could pump the brakes and briefly regain, but for the most part all steering and brakes were out. Took truck to Gmc dealer where purchased new in bentonville. Dealer confirmed no steering and brakes and damaged bumper while vehicle in its possession by bumping into parking lot barrier. …”
NHTSA complaint #10567717, filed 2014-03, 36,000 miles“2012 Gmc denali. Consumer writes in regards to vehicle steering problems. The consumer noticed a very bad problem with the steering whenever he slowed down to turn, he would loose control over the ability to turn. The wheel locked down when he applied the brake and tried to turn at the same time. He was not able to turn until he pressed on the accelerator or released the brake. The dealer said it was caused by the power booster taking all the power to the brakes and leaving very little to the steering. Also, there was a problem with the back-up screen. …”
NHTSA complaint #10549145, filed 2013-10Related service bulletins
- 11014230Jan 31, 2025This bulletin advises the dealers to maintain the vehicle stock on hand by doing a full inspection on the vehicles before being sold (prepping) to the customer.
- 11011709Nov 5, 2024This bulletin advises the dealers to maintain the vehicle stock on hand by doing a full inspection on the vehicles before being sold (prepping) to the customer.
- 10242252Aug 18, 2023This technical bulletin provides information and a solution to a condition of Brake Pedal Moves or Self Applies at Full Turns.
- 10222777Sep 16, 2022This service bulletin provides technicians with updated information to help identify the differences between what is considered a fluid leak, and what is considered fluid seepage.
Brakes: other model years
| Year | Complaints | Share of year |
|---|---|---|
| 2020 | 2 | 18% |
| 2019 | 8 | 31% |
| 2018 | 4 | 24% |
| 2016 | 8 | 27% |
| 2015 | 7 | 32% |
| 2014 | 4 | 29% |
| 2012 | 2 | 20% |
| 2008 | 1 | 6% |
| 2006 | 2 | 40% |
| 2004 | 5 | 45% |
| 2002 | 10 | 77% |
Other parts of the 2012 GMC Sierra Denali
4 complaintsOther or unknown
3 complaintsBody and structure
2 complaintsEquipment
1 complaintsFuel system
1 complaintsTires
1 complaintsWheels
1 complaints
← All problems reported for the 2012 GMC Sierra Denali
About this data. Data from NHTSA (ODI) complaints, recalls, TSBs and investigations, updated Oct 31, 2026. Complaints are unverified consumer reports and may be duplicated or inaccurate.
To check a specific vehicle for open recalls, use its VIN at nhtsa.gov/recalls. Methodology