One problem related to ignition switch 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.
The contact owns a 2002 GMC Sonoma. The contact stated that the ignition key disengaged from the ignition switch when in the on position. In addition, the contact stated that when the key was in the off position, the vehicle remained powered on. As a result, the battery became inoperable. The vehicle was not diagnosed or repaired. The manufacturer was notified of the failure. The failure mileage was 72,000.