One problem related to transmission failure 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.
Excessive engine oil consumption. Timing chain failure. Pistons, rings, exhaust manifold, muffler, door regulator, wiper motor, transmission failure. Vehicle cannot be driven.
| Power Train problems | |
| Transfer Case problems | |
| Vehicle Shudder problems | |
| Transmission Gear Slipping problems | |
| Transmission Failure problems |