2021 GMC TERRAIN Fuelpropulsion System Problems
2 NHTSA complaints on file
Fuelpropulsion System Issues in the 2021 GMC TERRAIN
2 fuelpropulsion system complaints have been filed with NHTSA for the 2021 GMC TERRAIN. Of these, 0 involved a crash, 0 involved a fire, and 0 resulted in injury.
2
Complaints
0
Crashes
0
Fires
0
Injuries
0
Deaths
All Fuelpropulsion System Complaints
The engine light came on while driving, saying “engine power reduced”. It barely accelerates, RPMs go over 5, it chugs when driving. Taken to an independent service center.
I purchased the car August 2024, I have had it for 4 months and while driving down the road a large fuel tank pops up stating low fuel and the car comes to an abrupt stop.The 3x the gas tank was never low. Parking brake comes on and car doesn't not move. All lights on dash come one. It has done it 4 times and thankful each time I was in a 30 mph zone. If I was going 55 I am sure the result would have been bad. The car last did it on December 29, 2024 and has been in the dealership for 3 weeks now and they cannot fix it. I told them 3 days into my purchase I wanted a full refund and they denied me. ?? I had that right I am still fighting with them to take it back because one of these times...
Other 2021 GMC TERRAIN Problem Areas
Electrical System
7 complaints
Power Train
7 complaints
Engine
6 complaints
Service Brakes
5 complaints
Unknown Or Other
3 complaints
Forward Collision Avoidance Automatic Emergency Braking
2 complaints
Lane Departure Blind Spot Detection
2 complaints
Suspension
2 complaints
Air Bags
1 complaint
Child Seat
1 complaint
Engine And Engine Coolingengineengine Control Module Ecuecm
1 complaint
Forward Collision Avoidance Adaptive Cruise Control
1 complaint
Forward Collision Avoidance Warnings
1 complaint
Fuel System Gasoline
1 complaint
Fuel System Gasolinedeliveryfuel Pump
1 complaint
Steering
1 complaint
Vehicle Speed Control
1 complaint
Visibilitywiper
1 complaint