10.0

really awful
Typical Repair Cost:
No data
Average Mileage:
2,000 miles
Total Complaints:
1 complaints

Most common solutions:

  1. repaired worn through wire harness, removed stud (1 reports)
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This problem may be covered under warranty. Ask your GMC dealer.

problem #1

Feb 212019

Terrain D2 1.8L Turbo 4

  • Automatic transmission
  • 2,000 miles

My wife was driving as she normally does to work, got off the highway exit and thought she hit a small patch of ice/slush and all of a sudden bells and whistles are going off telling her to Service Transmission, Service ECS and engine shuts off. Luckily she was able to coast to a safe parking area. Could not shift the transmission into any gear, not even park, so she engaged the e-brake. This vehicle has a push-button trans, everything is electronic so nothing seemed to work and we couldn't even get the car to turn off. It's less than 2 months old!

Had it towed to the dealer by dragging it onto a flatbed and then tow truck driver had to "shake" it off after pouring oil around all the tires numerous times after dealer tech couldn't figure out how to release e-brake. It's been there for a week and they haven't even started to work on it. Probably need a new trans and they said it would take at least a week to order once they diagnose. Blah.

Update from Mar 18, 2019: Apparently the wire harness that goes to the transmission was rubbing against a miscellaneous stud and wore through causing the system to short out. Removed extraneous stud and repaired wire harness. Has been fine since.

- Anthony M., Cranford, NJ, US