2004 GMC Sierra Denali Seat belts Problems
- Complaints
- 1about this part
- Share
- 9%of 11 total for the year
- Median mileage
- 5,300miles
- Trend
- Not enough dataFewer than 15 complaints, too few for a reliable trend.
NHTSA recorded 1 complaints about the seat belts of the 2004 GMC Sierra Denali, 9% of the 11 complaints for this model year. Where a mileage was given, the median is 5,300 miles. 1 of these say a crash was involved, according to the filers.
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.
“Consumer's vehicle was involved in an a roll over, and the air bags did not deploy. Also, seat belts did not secure the occupants. The driver was under the steering wheel, and the passenger was under the dashboard.”
NHTSA complaint #10101826, filed 2004-11, 5,300 milesSeat belts: other model years
Other parts of the 2004 GMC Sierra Denali
5 complaintsElectrical system
2 complaintsAir bags
1 complaintsEngine cooling
1 complaintsSteering
1 complaintsSuspension
1 complaintsTires
1 complaintsTransmission and drivetrain
1 complaints
← All problems reported for the 2004 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