Brakes grind, pulse or wear early

What got replaced

Owners who name the part that was replaced mention the booster (10 reports) and the ABS module (5 reports).

Recalls and investigations

No recall on the brakes covers the 2020 model year as of Sep 9, 2026.

What owners paid

17 of the 70 reports quote a price. Each dot is one quote. The middle half runs $350 to $1,441.

When it happens

The middle half of failures fell between 53,000 and 110,501 miles, from the 25 reports that gave a mileage.

What owners wrote

“The vacuum pump for the brake system failed catastrophically while driving causing damage to the brake booster and lodging metal debree into the engine components. This happened at less than 100k miles on a 2020 gmc terrain.”

Filed May 17, 2026 · 100,000 miles

“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”

Filed Dec 26, 2024

“As I was driving, brakes became very hard to press. I was barely able to slow down to bring the car to a complete stop. Brakes became very stiff and required a ton of force to come to a complete stop. This came with no warning signs or alerts from vehicle. It was only after this occurred that the Service Break Assist light came on.”

Filed Jul 11, 2024

“I was driving on the interstate when my brakes went out. I was able to get off at and exit and pull into a gas station but had to put on the emergency brake.”

Filed Sep 10, 2023

Other problems on this car

• Engine stalls or loses power while driving 31 reports
• Infotainment, screen or backup camera fails 25 reports