2015 GMC Sierra Other or unknown Problems
- Complaints
- 3about this part
- Share
- 6%of 53 total for the year
- Median mileage
- 363miles
- Trend
- Not enough dataFewer than 15 complaints, too few for a reliable trend.
NHTSA recorded 3 complaints about the other or unknown of the 2015 GMC Sierra, 6% of the 53 complaints for this model year. Where a mileage was given, the median is 363 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.
“A week later after buying a new 2015 Gmc Sierra delani from ed morse Gmc 'sawgrass I took it to a truck accessory company to order a new bed (tonneau) cover. They took the order and took a picture of the service parts identification label, located in the truck glove box for the purpose of ordering the part and color. This is the only place in the truck that identifies the parts and color for this particular vehicle. I am enclosing a picture for your review. …”
NHTSA complaint #10715728, filed 2015-05, 20 miles“My vehicle shakes at highway speed. I can feel it in the steering wheel, and seat. Visually I can see the bed of the truck shake. The issue has not gone away.”
NHTSA complaint #10849897, filed 2016-03, 7,500 miles“The contact owns a 2015 Gmc Sierra. The contact stated that the traction control monitor light remained illuminated. The vehicle was not diagnosed or repaired. The manufacturer was not made aware of the issue. The failure mileage was 363.”
NHTSA complaint #10823080, filed 2016-01, 363 milesRelated service bulletins
- 10112158Aug 7, 2014This Preliminary Information communication provides information to the technician on the steps to diagnose and repair vehicles that may have an intermittent "Check Trailer…
- 10112042Jan 30, 2014This Preliminary Information communication advises the technician that the Rear Safety Belt Child Comfort Guide Kits are available from Customer Care and Aftersales parts as part…
Other or unknown: other model years
| Year | Complaints | Share of year |
|---|---|---|
| 2017 | 3 | 5% |
| 2016 | 1 | 17% |
| 2015 | 3 | 6% |
| 2014 | 2 | 2% |
| 2013 | 3 | 8% |
| 2012 | 3 | 10% |
| 2011 | 11 | 26% |
| 2010 | 6 | 18% |
| 2009 | 3 | 8% |
| 2008 | 3 | 4% |
| 2007 | 6 | 10% |
| 2006 | 1 | 2% |
| 2005 | 2 | 2% |
| 2004 | 2 | 1% |
| 2003 | 4 | 2% |
| 2002 | 4 | 2% |
| 2001 | 3 | 1% |
| 2000 | 6 | 1% |
| 1999 | 9 | 2% |
| 1998 | 9 | 5% |
| 1997 | 6 | 3% |
| 1996 | 4 | 2% |
| 1995 | 4 | 2% |
| 1993 | 6 | 8% |
| 1992 | 1 | 3% |
| 1991 | 1 | 8% |
Other parts of the 2015 GMC Sierra
30 complaintsSteering
6 complaintsTransmission and drivetrain
6 complaintsAir bags
4 complaintsBrakes
3 complaintsEngine
2 complaintsFuel system
2 complaintsSeats
2 complaintsBody and structure
2 complaintsVisibility (wipers, defrost, mirrors)
2 complaintsElectrical system
1 complaintsEngine cooling
1 complaints
← All problems reported for the 2015 GMC Sierra
About this data. Data from NHTSA (ODI) complaints, recalls, TSBs and investigations, updated Oct 30, 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