GMC Terrain owners have reported 1 problem related to computer failure (under the electrical system category). The most recently reported issues are listed below. Also please check out the statistics and reliability analysis of GMC Terrain based on all problems reported for the Terrain.
After dealing with the repairs on excessive oil consumption issues, my warranty is now up and I am dealing with my car completely dying at a moments notice. This is not the battery as we've had both aaa and our mechanic test the battery several times - the issue, according to our mechanic, is "computer failure. " essentially, I spent $400 four weeks ago for my mechanic to tell me that nothing was wrong except the computer stopped communicating to the car to "work" , and my car has still died twice since. . . With the keys stuck in the ignition. Tonight is the third time my vehicle has died and it has not started up again. My car was parked in the driveway and I was unable to unlock it before the power completely dying. Now I am unable to start or lock the vehicle again. And the keys are stuck in the ignition. I am still paying this car off and it is at 89,000 miles. I am beginning to come to terms with the fact that this is a complete loss, since no one can help diagnose the issue or solve the problem. We cannot afford to make monthly payments on a vehicle that stalls out every few weeks. I drive two small children around and I am just at a loss for how to proceed.
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