One problem related to starter has been reported for the 2012 GMC Terrain. The most recently reported issues are listed below. Please also check out the statistics and reliability analysis of the 2012 GMC Terrain based on all problems reported for the 2012 Terrain.
The contact owns a 2012 GMC Terrain. While driving 55 mph, the check engine indicator illuminated. Also, the vehicle would occasionally fail to start with the remote starter. The vehicle was taken to an auto part store and different failure codes appeared. The manufacturer was not made aware of the failures. The vehicle was not diagnosed or repaired. The failure mileage was approximately 95,000.