Electrical System Related Problems of the 2002 GMC Sonoma

Table 1 shows seven common electrical system related problems of the 2002 GMC Sonoma. The number one most common problem is related to the dash wiring (two problems). The second most common problem is related to the software (one problem).

Table 1. Electrical System related problems of GMC Sonoma


Recently reported Electrical System problems of the 2002 GMC Sonoma

The Dash Wiring problem

Complaint covers sat oct 9th thru 10-14 2004 radio malfunctioning-1)took vehicle to jonesboro rd GMC dealer and complaint about radio first. Digital display showing one station and playing another. The panel gets very hot . Radio was showing issue at the time.   Read details...

The Software problem

Please see my numerous entries- took vehicle in again to service department. Picked up 11/17/05. Abs brakes. Supposedly they have finally diagnosed them. !replaced bad wheel sensor. H0161. 9. I was told they didn't check them previously.   Read details...

The Electrical System problem

My 2002 GMC Sonoma's running lights go off when the turn signals are used. My dealer & gm tells me that this is normal. The whole purpose of running lights is to been seen. This is most important when changing lanes or turning. Gm should recall these pickup trucks an correct this situation.   Read details...


Electrical System related problems in other GMC Sonoma model year vehicles:



Fuel Economy of Sonoma Vehicles
Sonoma Service Bulletins
Sonoma Safety Recalls
Sonoma Defect Investigations