2002 GMC Sierra 1500 Repair and Maintenance
A guide to problems, costs, maintenance and repair for your 2002 GMC Sierra 1500
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2002 GMC Sierra 1500 Problems4WD Transfer Case Position Sensor/Selector Switch May Fail
The 4WD transfer case encoder motor position sensor or the selector switch may fail causing the service 4WD message to be displayed. Fault code(s) stored in the transfer case control module will be of assistance in determining the exact fault causing the message to be displayed.
The CD player may fail due to an internal fault with the radio. Our technicians tell us that in most cases, the radio unit will need to be sent to a specialty repair shop to correct this issue.
One or more heater & AC (HVAC) temperature and/or air delivery mode door actuator may fail, resulting in improper temperature or air delivery. If this occurs, fault code(s) should be stored in the HVAC control module which should assist in diagnoses.
2002 GMC Sierra 1500 QuestionsBrakes work, but as truck nears zero MPH the anti-locks engage. What is this? (1 answer)
2nd fuel pump. Security device or electronic or computer related malfunction but not really a fuel pump failure?