One problem related to transmission gear slipping 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.
Vehicle's transmission slips and does not respond to an acceleration after a rapid deceleration of at least 40 mph. The vehicle will jerk in response to your attempt to accelerate and then will respond. This can lead to a a dangerous situation if you are attempting to avoid a collision by accelerating to get out of the way.
| Power Train problems | |
| Transfer Case problems | |
| Vehicle Shudder problems | |
| Transmission Gear Slipping problems | |
| Transmission Failure problems |