Electrical systemPart report
2004 GMC Sierra Denali Electrical system Problems
- Complaints
- 2about this part
- Share
- 18%of 11 total for the year
- Median mileage
- 40,000miles
- Trend
- Not enough dataFewer than 15 complaints, too few for a reliable trend.
NHTSA recorded 2 complaints about the electrical system of the 2004 GMC Sierra Denali, 18% of the 11 complaints for this model year. Where a mileage was given, the median is 40,000 miles.
Fewer than 15 complaints name this part, so treat the figures as a rough indication only.
Related service bulletins
- 10113892Mar 1, 2016This Preliminary Information communication advises the technician that if OnStar is unable to configure the vehicle after the OnStar 15-08-44-001 upgrade and Onstar receives a…
- 10114470Apr 17, 2015This Preliminary Information communication provides information to the technician about vehicle that may have an OnStar system that has progression tones when pressing the blue…
- 10112009Jan 21, 2014This Preliminary Information communication provides information to the technician about vehicles that the speedometer needle appears to be inaccurate. Dealer should advise the…
- 10112900Mar 13, 2013This Preliminary Information communication provides information to the technician about vehicles that will not move in forward or reverse. Technician may find Diagnostic Trouble…
- 10112664Dec 13, 2012This Preliminary Information communication provides information to the technician about vehicles may have a no power or no connect concern. Technician will find that the OnStar…
- 10112523Oct 30, 2012This Preliminary Information communication provides information to the technician about vehicles that have slip in forward ranges immediately after replacing the input housing…
Electrical system: other model years
Other parts of the 2004 GMC Sierra Denali
Brakes
5 complaintsAir bags
1 complaintsEngine cooling
1 complaintsSeat belts
1 complaintsSteering
1 complaintsSuspension
1 complaintsTires
1 complaintsTransmission and drivetrain
1 complaints
5 complaintsAir bags
1 complaintsEngine cooling
1 complaintsSeat belts
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 29, 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