2018 GMC TerrainProblems: Top Complaints, Recalls & Failures (NHTSA)
Every owner complaint and safety recall the National Highway Traffic Safety Administration has on file for the 2018 GMC Terrain, ranked by the component that failed most.
Complaints on file
219
Recalls issued
5
Crashes reported
14
Fires reported
1
What breaks most
- Service Brakes81 complaints · 37%
- Engine53 complaints · 24.2%
- Power Train41 complaints · 18.7%
- Electrical System35 complaints · 16%
- Air Bags14 complaints · 6.4%
Recalls on this model year
- Air Bags › Air Bag/Restraint Control Module
General Motors LLC (GM) is recalling certain 2018 GMC Terrain vehicles. The sensing diagnostic module (SDM) that senses a crash and deploys the necessary air bags may not power down correctly when the vehicle is shut off, causing it to be inoperative when the vehicle is restarted.
Campaign 18V340000 · reported 24/05/2018 · recall work is free at any franchised dealer
- Service Brakes, Hydraulic › Foundation Components › Disc › Caliper
General Motors LLC (GM) is recalling certain 2018-2019 Chevrolet Equinox, Impala, Cruze, Volt and Bolt EV vehicles, GMC Terrain vehicles, Buick Lacrosse and Regal vehicles, Cadillac XTS and XTS Professional vehicles and 2018 Chevrolet Malibu vehicles. The rear brake caliper pistons may have an insuf
Campaign 18V576000 · reported 30/08/2018 · recall work is free at any franchised dealer
- Fuel System, Gasoline › Delivery › Fuel Pump
General Motors LLC (GM) is recalling certain 2015-2018 GMC Canyon, 2016-2017 Buick Envision, 2016-2018 Chevrolet Colorado and Malibu, 2017-2018 GMC Acadia, 2018 Buick LaCrosse, Cadillac ATS, Chevrolet Equinox, and GMC Terrain vehicles. The high pressure fuel pump may detach from its mounting flange
Campaign 18V358000 · reported 31/05/2018 · recall work is free at any franchised dealer
- Power Train › Automatic Transmission
General Motors LLC (GM) is recalling certain 2018-2019 Chevrolet Cruze and Buick LaCrosse, 2018-2020 Chevrolet Equinox, Chevrolet Traverse and GMC Terrain, 2018 Chevrolet Malibu, 2019-2020 Buick Encore, Buick Enclave, Cadillac XT4, Chevrolet Blazer and GMC Acadia, and 2020 Cadillac XT6 vehicles. Th
Campaign 20V668000 · reported 29/10/2020 · recall work is free at any franchised dealer
- Power Train › Driveline › Driveshaft
General Motors LLC (GM) is recalling certain 2018 Chevrolet Equinox and GMC Terrain vehicles and 2017-2018 GMC Acadia vehicles. The right front intermediate driveshaft may fracture and separate while driving.
Campaign 17V516000 · reported 22/08/2017 · recall work is free at any franchised dealer
What owners report
Service Brakes
- Approximately 3 miles from my residence my car display flashed "Reduced Engine Power" and slowed down. When I reached a stop sign and tried to stop, my brakes were stiff and I was unable to stop. I we
- The contact owns a 2018 GMC Terrain. The contact stated that while her son was driving 45 MPH, the brake pedal was firm while depressed. There was no warning light illuminated. Due to the failure, exc
- While driving my 2018 GMC Terrain, the vehicle suddenly displayed an “Engine Power Reduced” warning and the brakes became extremely hard to press. The vehicle experienced a sudden loss of normal power
Engine
- Approximately 3 miles from my residence my car display flashed "Reduced Engine Power" and slowed down. When I reached a stop sign and tried to stop, my brakes were stiff and I was unable to stop. I we
- While driving my 2018 GMC Terrain, the vehicle suddenly displayed an “Engine Power Reduced” warning and the brakes became extremely hard to press. The vehicle experienced a sudden loss of normal power
- The vehicle has had regular maintenance, oil change, and inspection including the brakes. My boyfriend is visiting me in [XXX] from the [XXX]. OnXXX while driving the vehicle the engine started. Makin
Power Train
- The contact owns a 2018 GMC Terrain. While attempting to shift to reverse(R) out of a parking spot, the message “Transmission Unable to Shift” was displayed on the instrument panel, and the transmissi
- The contact owns a 2018 GMC Terrain. The contact stated that while driving at various speeds, there was an abnormal grinding sound coming from the vehicle while transitioning to 4WD. The contact conti
- The contact owns a 2018 GMC Terrain. The contact stated that the transmission was shifting gear erratically. The contact stated that the doors were locking and unlocking independently, and the instrum
Electrical System
- The infotainment system will just randomly start going haywire and when it happens, you cannot use the touchscreen. It will try to randomly delete app icons such as the camera, it will try to delete c
- The contact owns a 2018 GMC Terrain. The contact stated that the transmission was shifting gear erratically. The contact stated that the doors were locking and unlocking independently, and the instrum
- The contact owns a 2018 GMC Terrain. The contact stated that on several occasions while driving at various speeds, the infotainment system screen and radio inadvertently switched stations from AM to F
Air Bags
- My car was t-boned on the driver side and no airbags deployed. The outer door and window exploded with the force. We were also hit from behind
- My car said to me this not that there is something wrong with the Service Safety Restraint system! It was fine last night when I got home! I just bought this car a month ago and everything was fine an
- The contact owns a 2018 GMC Terrain. The contact stated while driving at an undisclosed speed, the air bag and ABS warning lights illuminated. The vehicle was taken to Auto Zone to be diagnosed. The v
Excerpts are anonymized owner complaints as filed with NHTSA, trimmed to 200 characters.
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