One problem related to wiring has been reported for the 2012 GMC Acadia. The most recently reported issues are listed below. Please also check out the statistics and reliability analysis of the 2012 GMC Acadia based on all problems reported for the 2012 Acadia.
Tl the contact owns a 2012 GMC Acadia denali. The contact stated that the vehicle often decelerated independently and would not exceed 30 mph. Also, the doors would unlock and "service stabilizer bar and service traction device" appeared on the instrument panel. The vehicle was taken to autonation of laurel (500 washington blvd, laurel, MD 20707, (866) 255-2985) where it was diagnosed that a new wiring harness needed to be installed. The vehicle was repaired. Two weeks later, the repair failed. The vehicle was taken back to the dealer three times for repairs and was currently waiting on another repair regarding the transmission's modular harness. The manufacturer was not made aware of the failures. The failure mileage was 89,000. The VIN was unknown.