2014 GMC Sierra power train problems
10 owner complaints filed with NHTSA name the power train on the 2014 GMC Sierra — 10% of all complaints for this model year.
What owners report
“The contact owns a 2014 GMC Sierra. The contact stated that while making a right turn into the driveway, the steering wheel had become stiff. No warning light had illuminated. The vehicle was no longer being driven since the steering wheel was too stiff and required excessive force causing control…”
filed Oct 17, 2024
“The truck was averaging about 20 mpg but shifting erratically like it couldn't decide what gear to be in. After using the 4wd the first time the mpg dropped off to about 17 and has been declining steadily currently I get 14 to 15 mpg and drive 150 miles per day mostly highway. I have taken it back…”
filed Jan 18, 2015
Verbatim excerpts from complaints filed with NHTSA. Reports are not independently verified.
Related recalls
- In the affected vehicles, an electrical signal short may cause the transfer case to shift…Campaign 14V374000 · Jun 27, 2014
- Subject vehicles may have a transmission oil cooler line that is not securely seated in…Campaign 14V152000 · Mar 31, 2014
Related service bulletins
Some customers may comment that the vehicle has reduced acceleration at low speed and/or transmission is slipping from a launch. Technicians may find DTC P0751 set or stored in history. This condition may be caused by…
PI1344B · Service Bulletin/Repair Instructions · issued Nov 6, 2015
Power Train problems in other Sierra years
| Year | Reports | Share |
|---|---|---|
| 2017 Sierra | 23 | 38% |
| 2015 Sierra | 6 | 11% |
| 2013 Sierra | 5 | 13% |
| 2012 Sierra | 2 | 7% |
| 2011 Sierra | 6 | 14% |
| 2010 Sierra | 1 | 3% |
| 2008 Sierra | 2 | 3% |
| 2007 Sierra | 4 | 7% |
| 2006 Sierra | 2 | 4% |
| 2005 Sierra | 11 | 9% |
| 2004 Sierra | 18 | 10% |
| 2003 Sierra | 29 | 14% |
Other reported problem areas on the 2014 GMC Sierra
Counts are unique NHTSA complaints naming this component group. Complaints are unverified owner reports; mileage is computed only from complaints that included a usable odometer reading.