NHTSA Complaint #11280447 — 2012 GMC TERRAIN

ELECTRICAL SYSTEM issue reported to NHTSA

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Complaint Details

ODI Number	11280447
Vehicle	2012 GMC TERRAIN
Component	ELECTRICAL SYSTEM
Date of Incident	November 12, 2019
Date Filed	November 15, 2019
Mileage	80,000 miles
Crash	No
Fire	No
Injuries	0
Deaths	0
Vehicle Towed	No
State	PA

Consumer Description

VEHICLE SHUTS OFF WHEN SLOWING TO A STOP AND HAVE TO RESTART IN ORDER TO ACCELERATE. THAT WAS LOOKED AT AND 'FIXED' AND NOW THE VEHICLE SHAKES WHEN SLOWING DOWN AND HEADLIGHTS DIM AS IF IT IS TRYING NOT TO SHUT OFF. ENGINE IS VERY ROUGH AND RATTLES WHILE STARTING TO ACCELERATE AND ACCELERATING. WHEN BRAKES ARE PUSHED THE CAR STARTS TO TURN OFF WHILE IN MOTION. WHEN STOPPED, CAR SHAKES AND THERE IS A VERY HARD KNOCKING COMING FROM THE ENGINE.

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Recent Complaints for the 2012 GMC TERRAIN

#11699710 — ENGINE — November 16, 2025 — 1. The engine suddenly lost power while driving during evening rush hour and the vehicle would no longer accelerate. ...

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