NHTSA Complaint #11429650 — 2017 GMC TERRAIN

ENGINE issue reported to NHTSA

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Complaint Details

ODI Number	11429650
Vehicle	2017 GMC TERRAIN
Component	ENGINE
Date of Incident	July 28, 2021
Date Filed	August 18, 2021
Mileage	48,850 miles
Crash	No
Fire	No
Injuries	0
Deaths	0
Vehicle Towed	No
State	CA

Consumer Description

The contact owns a 2017 GMC Terrain. The contact stated while driving approximately 25 mph, the vehicle lost electrical and motive power. The contact was able to restart the vehicle. The contact stated that there was no warning light illuminated. The vehicle was diagnosed but not repaired. The manufacturer was informed of the failure. The contact was still awaiting a response. The failure mileage was approximately 48,850.

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Recent Complaints for the 2017 GMC TERRAIN

#11719289 — FUEL/PROPULSION SYSTEM — February 20, 2026 — I had a message flash that said the power to the engine was reduce. Next message said check stabilink ( or something ...

#11719289 — UNKNOWN OR OTHER — February 20, 2026 — I had a message flash that said the power to the engine was reduce. Next message said check stabilink ( or something ...

#11714193 — UNKNOWN OR OTHER — January 29, 2026 — The PCV valve froze which caused pressure to build up in the rear main seal to fail. Causing oil to leak out of the m...

#11712537 — ELECTRICAL SYSTEM — January 21, 2026 — I am filing this complaint to report a catastrophic engine failure involving my 2017 GMC Terrain equipped with the 2....

#11712537 — POWER TRAIN — January 21, 2026 — I am filing this complaint to report a catastrophic engine failure involving my 2017 GMC Terrain equipped with the 2....