One problem related to electrical system has been reported for the 2002 GMC Sonoma. The most recently reported issues are listed below. Please also check out the statistics and reliability analysis of the 2002 GMC Sonoma based on all problems reported for the 2002 Sonoma.
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.