Gmc Terrain Brakes Problems
186 owner complaints filed with NHTSA across 15 model years.
Complaints by Year
Worst year: 2018. Best year: 2025.
Owner Reports
A representative sample of complaints filed with NHTSA.
SERVICE BRAKE ASSIST CAME ON, CHECK ENGINE LIGHT CAME ON AND VEHICLE WAS HARD TO STOP. Took to authorized service dealer and all parts were replaced. After driving it for a little while, SERVICE BRAKE ASSIST BACK ON, CHECK ENGINE LIGHT B...
My 2020 GMC Terrain brakes pump failed causing me to hit the median wall on the highway.
I was driving my morning commute to work, when I came upon a stop light. I was pressing the brakes and the brakes failed to engage which caused me to hit a car in front of me. I did not have any warnings that the brakes were defective. T...
The brake system failed. No warning. When the brakes failed, driver ran the car into a tree to stop instead of hitting pedestrians or other vehicles
The contact owned a 2021 GMC Terrain. The contact stated while the brake pedal was depressed, it was released and the vehicle suddenly accelerated aggressively. The contact attempted to avoid crashing into the vehicle in front and swerve...
The contact owned a 2019 GMC Terrain. The contact stated that while the wife was driving at approximately 60 MPH, the brake pedal was depressed and it felt stiff. The vehicle failed to decrease in speed and as a result, the driver merged...
Driving down the freeway and all of a sudden got a service break assist notification and without warning I was unable to stop the vehicle. I was able to coast my way off the freeway and upon my exit I tried to pull into an empty parking ...
i WAS GOING TO MY SONS HOME WHICH IS LOCATED ON A STEEP DOWHILL STREET WITH SEVERAL TURNS, ONE OF THER ALMOST 90 DEGREES.aS i STARTED TO DESEND THE HILL AND GAIN SPEED, I DEPRESSED THE FOOT BRAKE. iT DID NOT RESPOND AT ALL. AS I C...
MY 2018 GMC TERRAIN BRAKES DID NOT WORK WHEN COMING TO A STOP AT STOP LIGHTS WHICH CAUSED ME TO REAR END THE CAR IN FRONT OF ME. THERE WAS NO WARNING ON MY SUV NOR DID I RECEIVE A RECALL ON THIS MATTER. THIS HAPPENED TWICE TO ME IN THIS ...
TL* THE CONTACT OWNED A 2015 GMC DENALI. THE CONTACT STATED THAT WHILE THEIR HUSBAND WAS DRIVING APPROXIMATELY 45 MPH, WHEN THE TRAFFIC CAME TO A SUDDEN STOP CAUSING THE CONTACT TO APPLY THE BRAKES TO THE VEHICLE. THE DRIVER HAD TO DEPRE...
I AM THE OWNER OF A 2017 GMC TERRAIN. YESTERDAY, I WAS INVOLVED IN A CAR ACCIDENT IN THIS VEHICLE. SOME PERSON PULLED OUT IN FRONT OF ME AND I SLAMMED ON MY BRAKES TO AVOID A CAR ACCIDENT. HIS VEHICLE CONTINUED THROUGH AN INTERSECTION I...
WHEN REVERSING OUT OF A PARKING SPOT, BRAKES FAILED CAUSING ACCIDENT. MULTIPLE ATTEMPTS TO DEPRESS BRAKE PEDAL WITH NO BRAKING. HIT A PARKED CAR. AFTER SHUTTING CAR OFF AND ATTEMPTING TO MOVE VEHICLE BRAKES DID ENGAGE AND RESPOND CORRECT...