2017 GMC Sierra power train problems
23 owner complaints filed with NHTSA name the power train on the 2017 GMC Sierra — 38% of all complaints for this model year.
What owners report
“The contact owns a 2017 GMC Sierra. The contact stated while driving at various speeds, the transmission inadvertently shifted from high to low gears and the RPMs revved up. There was no warning light illuminated. The vehicle was taken to the dealer where the failure could not be duplicated…”
filed Oct 13, 2022
“Have had this into the dealer at the first oil change and complained about transmission shifting issues and it being unsafe to drive. Complaints are: hard shift, it clunks both upshifting and downshifting. Going around corners from a stop the truck will either fall on its face or jerks you…”
filed Feb 26, 2020
Verbatim excerpts from complaints filed with NHTSA. Reports are not independently verified.
Power Train problems in other Sierra years
| Year | Reports | Share |
|---|---|---|
| 2015 Sierra | 6 | 11% |
| 2014 Sierra | 10 | 10% |
| 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 2017 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.