4 Wheel drive electronic goes from 2wheel to 4wheel automatically and start to grind if place back you try to return to 2wheel took it to dealer and they said I would have to pay to replace, but I found many compliant s on that year. And one tech. Who said that the 2004 sierra had recurring problems with the electronic switches. *Js
Electrical system
GMC F Series Electrical problems by year
1 complaints filed with NHTSA about the GMC F Series's electrical system. Dead batteries, warning lights, wiring, alternators, infotainment and electronic module failures.
Electrical complaints by model year
| Year | Electrical complaints | Crashes | Injuries | Recalls |
|---|---|---|---|---|
| 2004 | 1 | 0 | 0 | 0 |
Latest F Series electrical complaints
Source: U.S. National Highway Traffic Safety Administration (NHTSA) complaints and recalls, checked daily. Complaints are owners' own reports and are not verified. How we use the data