Complaint 2083080
2015 GMC TERRAIN • ENGINE AND ENGINE COOLING • incident Dec 25, 2023
- Complaint ID
- 2083080
- Make
- GMC
- Model
- TERRAIN
- Model Year
- 2015
- Component
- ENGINE AND ENGINE COOLING
- Incident Date
- Dec 25, 2023
- Date Received
- Apr 15, 2025
- Data As Of
- Sep 1, 2026
Complaint Summary
ENGINE AND ENGINE COOLING
Owner Narrative
The contact owns a 2015 GMC Terrain. The contact stated while driving 70 MPH with cruise control activated, the RPM suddenly increased to redline, after which the vehicle lost motive power. The contact was able to coast to the shoulder of the roadway, where the vehicle failed to restart. No warning lights were illuminated. The vehicle was towed to the dealer, who diagnosed a failure with the positive crankcase ventilation (PCV) valve, which then caused a failure with the front crank seal, resulting in damage to the engine. The contact was informed that the engine needed to be replaced. The vehicle was repaired. After investigating the failure, the contact related the failure to NHTSA Action Number: PE25001 (Engine, Engine and Engine Cooling). The manufacturer was notified of the failure but provided no assistance. The failure mileage was 148,000.
Owner-submitted narrative on file with NHTSA. Complaint narratives are self-reported and have not been verified.