The 2021 GMC Terrain has 2 NHTSA recall campaigns affecting an estimated 677,784 vehicles. Recall repairs are always free at any authorized dealer. Owners have filed 52 complaints with NHTSA, most often about the engine. Last updated July 5, 2026.
Recall campaigns
CHILD SEAT23V3390002023-05-11668,187 affected
Defect
General Motors, LLC (GM) is recalling certain 2020-2023 Chevrolet Equinox and GMC Terrain vehicles. The four rear-seat lower child seat LATCH anchorage bars may have excessive powder coating, which could prevent a child seat from being installed with the anchorage bars. As such, these vehicles fail to comply with…
Consequence
The inability to install a child seat with the LATCH anchorage bars could result in an unsecured child seat, increasing the risk of injury in a crash.
Remedy
Owners are advised to install child seats using the vehicle's rear seat belts until the remedy is complete. Dealers will inspect the latch anchorage bars, and remove and replace the finish, as necessary, free of charge. Owner notification letters were mailed June 2, 2023. Owners may contact Chevrolet customer…
TIRES21V6120002021-08-059,597 affected
Defect
General Motors, LLC (GM) is recalling certain 2021-2022 Chevrolet Equinox and GMC Terrain vehicles equipped with certain Hankook tires. The tires may have been manufactured with an insufficient amount of curative agent, which could cause tread separation.
Consequence
Tread separation can result in a loss of vehicle control, increasing the risk of a crash.
Remedy
Dealers will inspect the tire DOT numbers, and replace any affected tires, free of charge. Owner notification letters were mailed on August 31, 2021. Owners may contact GMC customer service at 1-800-462-8782; and Chevrolet customer service at 1-800-222-1020. GM's number for this recall is N212343560.
Verbatim reports filed with NHTSA, lightly edited for readability and with personal
information removed.
“Driving on the garden state parkway on sunday night june 28, 2026 I proceed to cross over the ratitan bridge. There was traffic as I was going down the bridge at 70 miles an hour. When I applied the brakes the car would not stop. I had two 6 years old in the backseat. I applied 2 feet to the brake…”
“Formal safety complaint – 2021 gmc terrain brake failure vehicle: 2021 gmc terrain incident location: garden state parkway (nj) speed: approximately 65 mph incident description while driving northbound at highway speed, I attempted to change lanes and apply my brakes. When I pressed the brake…”
“Automatic transmission solenoid control valve body got stuck open and ruined the whole transmission. This has been a reoccurring problem with these vehicles. Image is from a code read. Issue was confirmed by gastorf chevrolet, and an independent transmission shop.”
“Vehicle went into reduce engine power mode and check engine light came on. Vehicle has just over 60,000 miles. Code is telling me I need a new turbo and being quoted $1,500-$3,000. I have read so many people having the same issue with needing a new turbo just after 60,000 miles”
“Vehicle went into reduce engine power mode and check engine light came on. Vehicle has just over 60,000 miles. Code is telling me I need a new turbo and being quoted $1,500-$3,000. I have read so many people having the same issue with needing a new turbo just after 60,000 miles”
“The engine light came on while driving, saying “engine power reducedâ€�. It barely accelerates, rpms go over 5, it chugs when driving. Taken to an independent service center.”
“The engine light came on while driving, saying “engine power reducedâ€�. It barely accelerates, rpms go over 5, it chugs when driving. Taken to an independent service center.”
“The engine light came on while driving, saying “engine power reducedâ€�. It barely accelerates, rpms go over 5, it chugs when driving. Taken to an independent service center.”
Recall, complaint, and investigation records from official NHTSA datasets (FLAT_RCL,
FLAT_CMPL, FLAT_INV), synced weekly. Counts reflect NHTSA records for the 2021 GMC Terrain as of
July 5, 2026. Complaint narratives are consumer-submitted and unverified. This page
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