One problem related to wiring has been reported for the 2014 GMC Terrain. The most recently reported issues are listed below. Please also check out the statistics and reliability analysis of the 2014 GMC Terrain based on all problems reported for the 2014 Terrain.
The contact owns a 2014 GMC Terrain. While in park, the vehicle failed to start. The vehicle was taken to a dealer where it was diagnosed that an animal chewed through the wiring harness, which was made of soy. The wiring harness needed to be replaced. The vehicle was repaired on numerous occasions; however, the failure recurred. The manufacturer was notified of the failure. The failure mileage was 18,000.