GMC Repair and Maintenance
A guide to problems, costs, maintenance and repair for your GMC
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GMC 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 upper dash may crack, most commonly on vehicles in warm climates and exposed to a lot of sunlight. The common repair is to replace the upper instrument trim panel. Information on a technical service bulletin or extended warranty is not available at this time.
The HVAC blower motor may stop working at one or more speeds due to a faulty blower motor resistor block. Our technicians recommend to confirm the resistor is at fault by first checking the operation of the switch.
GMC QuestionsLever shift seem to be stuck in drive and can't start the car (1 answer)
I was shifting gear to back up and suddenly was not able to shift gear and the gear shift lever seems loose and will not shift to any other gear and seems to be stuck in drive
Have to turn radio off for 2 to 3 minutes then back on for the scanning to stop
My gauges are not reading right and it loses power if I run any accessories. Its not the alternator or fuses.
GMC RecallsIgnition Key May Be Removed Without Transmission Lever Shifted To Park
The ignition key may be able to be removed from the ignition switch without having the transmission shift lever securely in the park position. This could allow the vehicle to roll unexpectedly. Dealers will inspect and if necessary replace the key cylinder lock housing free of charge to resolve the concern.
The tire placard may list the improper tire size and inflation pressure. Dealers will inspect and replace affected certification labels free of charge to resolve the concern.
The passenger frontal air bag inflator may rupture on deployment, causing metal fragments to come through the air bag and injure occupants. Dealers will replace the passenger frontal air bag inflator free of charge to resolve the concern.