2008 GMC Envoy electrical system problems
18 owner complaints filed with NHTSA name the electrical system on the 2008 GMC Envoy — 23% of all complaints for this model year.
What owners report
“I was living in my car and the windows and door lock cluster caught on fire I had to tear my door panel off to get to the source and unplug it I believe there is a major electrical issue with this vehicle I shouldn't be driving it also my heater fan stopped working on 4 and 5 works on 1 2 and 3 but…”
filed Dec 18, 2025
“My vehicle just suddenly stopped dead, in the road after leaving my residence and all control was lost. Unable to put transmission in neutral to push vehicle off road. I had it repaired by a trained mechanic and was told it was a faulty ignition. I had the faulty ignition replaced and the vehicle…”
filed Aug 2, 2018
Verbatim excerpts from complaints filed with NHTSA. Reports are not independently verified.
Related service bulletins
This Preliminary Information communicates to the dealer the process for downloading or updating operating software for the Tire Pressure Monitor, Active Fuel Injector tester, multi media tester, PICO Scope, GR8…
PIP4723J · Service Bulletin/Repair Instructions · issued Oct 25, 2024
Electrical System problems in other Envoy years
| Year | Reports | Share |
|---|---|---|
| 2007 Envoy | 59 | 27% |
| 2006 Envoy | 89 | 25% |
| 2005 Envoy | 183 | 38% |
| 2004 Envoy | 164 | 45% |
| 2003 Envoy | 77 | 20% |
| 2002 Envoy | 70 | 14% |
| 2000 Envoy | 3 | 14% |
| 1998 Envoy | 1 | 5% |
Other reported problem areas on the 2008 GMC Envoy
Counts are unique NHTSA complaints naming this component group. Complaints are unverified owner reports; mileage is computed only from complaints that included a usable odometer reading.