Table 1 shows nine common electrical system related problems of the 2014 GMC Terrain. The number one most common problem is related to the electrical system (23 problems). The second most common problem is related to the ignition switch (one problem).
Tensioner issues keeps breaking the timing chain. . Replaced twice at own cost. Fuel pump/ loss of power while driving. Back up camera doesn't work sometimes. Screen goes black. If key is left in the ignition it starts itself. Read details...
The contact owns a 2014 GMC Terrain. Upon attempting to turn off the vehicle, the key became stuck in the ignition. The contact was unable to remove the key. The contact spoke to the dealer (gilland Chevrolet GMC 3071 south us hwy 231, ozark, al 36360) where it was diagnosed that the ignition Read details...
I was driving home after work around 7pm going about 45-50 mph and all of a sudden my car began slowing down and I could not accelerate. This is when I realized that my car had shut off while driving. Also, my headlights turned off which I noticed immediately since it was dark outside, the computer Read details...