2004 GMC Sierra 2500 electrical system problems
Owners reported electrical system problems in 49 complaints for the 2004 GMC Sierra 2500, 28% of the complaints on file. It is the 2nd most reported problem area for this model year.
At a glance
- Complaints
- 49 28% of this year's complaints
- Typical mileage
- 57,000 miles 40 complaints with mileage
- Crashes and fires
- 0 and 3
- Injuries and deaths
- 0 and 0
Source: NHTSA owner complaints
When electrical system problems show up
View the numbers
| Mileage | Complaints |
|---|---|
| 0k to 20k miles | 2 |
| 20k to 40k miles | 4 |
| 40k to 60k miles | 16 |
| 60k to 80k miles | 11 |
| 80k to 100k miles | 4 |
| 100k to 120k miles | 2 |
| 120k to 140k miles | 1 |
| 140k to 160k miles | 0 |
| 160k to 180k miles | 0 |
| 180k to 200k miles | 0 |
| 200k+ miles | 0 |
What the data shows
Of the 40 electrical system complaints that report mileage, the median is about 57,000 miles, and 55% were reported before 60,000 miles.
These complaints mention 3 fires.
What owners wrote
Tl*the contact owns a 2004 GMC sierra 2500 hd. While driving 55 MPH, the vehicle began smoking near the glove box. The plastic coating on the wires began dripping, melting, and sparking. The vehicle then became engulfed in flames and was destroyed. A police and fire report was filed. The contact has pictures. The mileages were unknown.
Speedometer stopped working at approx 45,000 mi. Followed by oil pressure and voltmeter at approx 60,000 mi. Also coolant leak behind timing cover at approx 50,000 mi.