2015 GMC Sierra Denali Seats Problems
- Complaints
- 1about this part
- Share
- 5%of 22 total for the year
- Median mileage
- 22,567miles
- Trend
- Not enough dataFewer than 15 complaints, too few for a reliable trend.
NHTSA recorded 1 complaints about the seats of the 2015 GMC Sierra Denali, 5% of the 22 complaints for this model year. Where a mileage was given, the median is 22,567 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.
“Vehicle started showing service lane departure system, service park assist, service trailer brake system alarms while driving. Upon taking it to the dealer for service it was found to have broken wiring for haptic motor for drivers seat. Not only did this cause a possible safety issue with the lane departure system and trailer brake system not working correctly, but it also caused a possible fire concern due to broken wiring.”
NHTSA complaint #11115739, filed 2018-08, 22,567 milesRelated service bulletins
- 11000158May 1, 2024This service bulletin includes information on Interior Cleaning - Instrument Panel (IP), Hard or Plastic Surfaces, Seats, Carpet, Leather, Vinyl, Fabric Cleaner, Stain Remover…
Seats: other model years
Other parts of the 2015 GMC Sierra Denali
7 complaintsTransmission and drivetrain
5 complaintsElectrical system
3 complaintsOther or unknown
2 complaintsAir bags
1 complaintsEngine
1 complaintsEngine cooling
1 complaintsFuel system
1 complaintsSteering
1 complaintsBody and structure
1 complaints
← All problems reported for the 2015 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