Brakes complaints and recalls from NHTSA
Summary
The 2020 GMC terrain has 47 NHTSA brakes complaints and 0 brakes-related recalls.
47
Complaints
0
Recalls
0
Injuries Reported
Data source: National Highway Traffic Safety Administration (NHTSA) · Last updated April 9, 2026
| Date ↓ | Component | Summary |
|---|---|---|
| Feb 21, 2026 | SERVICE BRAKES | While driving I received a "service brake assist system" alert and a check engine light. After this ... |
| Dec 24, 2025 | SERVICE BRAKES, HYDRAULIC | The contact owns a 2020 GMC Terrain. While the contact’s wife was driving approximately 40 MPH and a... |
| Dec 14, 2025 | SERVICE BRAKES | While driving down the interstate a notice popped up on my dash about the brake assist. When I atte... |
| Dec 14, 2025 | SERVICE BRAKES | Since August 2024, my brake booster has gone a total of five times each time with the notification o... |
| Nov 29, 2025 | SERVICE BRAKES | While driving my brakes failed. I was unable to stop my car, my brake pedal became very stiff and I ... |
| Nov 28, 2025 | SERVICE BRAKES | While driving on a main road at around 45mph the vacuum pump that supplies brake fluid to the brakes... |
| Nov 26, 2025 | SERVICE BRAKES, HYDRAULIC | The contact owns a 2020 GMC Terrain. The contact stated that while driving up the driveway at approx... |
| Nov 11, 2025 | SERVICE BRAKES | Vacuum pump went out. It was a recall, previously on older models, but this model needs to |
| Nov 2, 2025 | SERVICE BRAKES | I filed a complaint with NHTSA on November 3, 2025, about my brake system. Here is another one addi... |
| Nov 2, 2025 | SERVICE BRAKES | Check engine light is on took vehicle to dealership 10/13/2023 vacuum booster sensor replaced (37,43... |
| Sep 19, 2025 | SERVICE BRAKES | On my 2020 GMC terrain the vacuum pump failed and caused my braking system to go out completely. I h... |
| Sep 16, 2025 | SERVICE BRAKES | My 2020 GMC Terrain brakes pump failed causing me to hit the median wall on the highway. |
| Sep 15, 2025 | SERVICE BRAKES | While driving my 2020 GMC Terrain (VIN: [XXX] ) with approximately 110,501 miles, I experienced a su... |
| Sep 9, 2025 | SERVICE BRAKES,ENGINE | Driving down the road and an engine power reduced light came on and then the driver was not able to ... |
| Aug 21, 2025 | SERVICE BRAKES,ENGINE | Driving down busy highway and suddenly had no brakes!!! No lights came on dashboard as a warning. Fo... |
| Aug 14, 2025 | SERVICE BRAKES | I was driving on the expressway, attempted to brake and the brakes were stiff and would not go down ... |
| Aug 5, 2025 | SERVICE BRAKES,ENGINE | As I was driving down the Ohio Turnpike on my way to work on Tuesday, August 5, 2025, my check engin... |
| Jun 30, 2025 | SERVICE BRAKES | I was driving on the highway & my brakes failed. My brake pedal was completely hard & could not be u... |
| Jun 10, 2025 | SERVICE BRAKES | I got off a highway exit ramp and with no warning my brakes were hard to press. There was no warning... |
| May 26, 2025 | SERVICE BRAKES | On Monday 5/26/2025 I was on the way home from work, coming down my street to turn in my drive (at a... |