2024 Gmc Terrain problems, complaints & recalls
Most-reported problem areas: Power Train (19) · Fuel/Propulsion System (6) · Vehicle Speed Control (3)
🧭 Reliability snapshot
Compared against other Gmc Terrain model years — complaint volume vs the model's median year, recalls and severity. How we score →
Safety recalls (1)
Structure:body:door 2023-12-21 · campaign 23V869000 · 265 vehicles
Defect: General Motors, LLC (GM) is recalling certain 2024 Chevrolet Blazer, Blazer EV, Equinox, and GMC Terrain vehicles. The door strikers may fracture, resulting in the door opening unexpectedly.
Risk: A door opening while the vehicle is being driven can increasing the risk of injury or a crash.
Fix: Dealers will replace all four door strikers and attaching bolts, free of charge. Owner notification letters were mailed January 24, 2024. Owners may contact Chevrolet customer service at 1-800-222-1020 and GMC customer service at 1-800-462-8782. GM's number for this recall is N232429911.
Service bulletins (375)
Technical service bulletins are repair instructions manufacturers send dealers for known issues. Unlike recalls, the fix is not automatically free — but naming the bulletin at the service desk can save diagnosis time and support goodwill repairs.
Unknown Or Other 2026-10-16 · PIC6626B · Service Bulletin/Repair Instructions
pi created to guide technicians through radio restriction process
Unknown Or Other 2026-09-28 · PIT6457C · Service Bulletin/Repair Instructions
this preliminary information is for technicians that may see dtcs that are history and should not perform any part replacements. they should follow the notes mentioned prior to anything being replaced.
Unknown Or Other 2026-09-28 · PIC6540K · Service Bulletin/Repair Instructions
this preliminary information communicates to dealers a procedure to reset the radio.
Unknown Or Other 2026-09-28 · PIT6368E · Service Bulletin/Repair Instructions
this preliminary information communicates an issue with the virtual garage door opener not programming to a garage opener. engineering is working on a new module.
Unknown Or Other 2026-09-26 · PIT5698F · Service Bulletin/Repair Instructions
this pi provides diagnostics tips on how the lin bus works and how to diagnosis it.
Unknown Or Other 2026-09-04 · PIP4902W · Service Bulletin/Repair Instructions
this preliminary information advises a dealer on how to email gds2 session logs into technical assistance.
Showing the 6 most recent of 375 bulletins. Search all of them free at nhtsa.gov.
What owners report
2026-10-21 · Power Train · 11,050 mi“the contact owned 2024 gmc terrain. the contact stated that while stopped, the gear shifter independently shifted from drive(d) to park(p). the contact turned off and restarted the vehicle several times and the vehicle operated normally. a dealer was contacted. the vehicle was taken to the dealer to be diagnosed, and it was determined that the tran…”
2026-10-02 · Electrical System“i am reporting a recurring backup camera malfunction in my 2024 gmc terrain at4. since purchasing the vehicle, i have experienced repeated instances in which the rearview camera display goes completely black when the vehicle is shifted into reverse. this prevents me from seeing the camera image while backing up. the malfunction presents a safety c…”
2026-10-02 · Unknown Or Other“gmc adaptive learning transmission problems that lead to safety concerns, emissions reduction in mpg, and increased wear of the transmission. regarding gm’s 9t45 automatic 9 speed transmission. problem: - the gm adaptive learning of the transmission does not have safe guards in place to prevent unsafe sift patterns and behavior. this results in sh…”
2026-10-01 · Unknown Or Other“the electric power steering (eps) gear assembly / rack and pinion failed completely. yes, the component is available for inspection upon request; it is currently located at the servicing dealership. a total failure of the steering gear assembly caused immediate loss of power steering assist, making the vehicle extremely heavy, rigid, and difficult …”
2026-09-01 · Power Train“factory powertrain programming actively locks out 9th gear (overdrive) during freeway driving at speeds exceeding 60–65 mph. the vehicle refuses to upshift from 8th to 9th gear, forcing sustained high-rpm operation during standard highway cruising.…”
2026-07-23 · Unknown Or Other“the rear access closes on its own after sitting open for a period of time. i was sitting at grocery pick up with the access open. this caused it to close on worker at grocery pick up. it stayed closed and i had to hit the button to open it back it did not auto go back up when it couldn’t close. …”
2026-07-14 · Forward Collision Avoidance: Warnings“i was driving about 55 mph with adaptive cruise control set to maintain a three-car-length following distance. it was raining, and when the vehicle in front of me slowed down, my vehicle did not detect it or slow down as expected. instead, it continued accelerating, and i had to brake to avoid rear-ending the vehicle ahead.…”
2026-07-13 · Power Train“leaking transmission fluid at 7,000 miles. technicians noticed during routine oil change at dealership. …”
2026-06-23 · Power Train“the vehicle has experienced a recurring transmission-related defect that has required multiple repair attempts by an authorized gmc dealership. the transmission system has also exhibited fluid leakage. despite prior repairs, the problem has continued to reoccur. transmission and associated transmission fluid sealing components. the vehicle is curr…”
2026-06-18 · Power Train“accelerator lag from any speed or stop. the care will take several seconds to hunt for the correct gear before shifting to accelerate. or it will delay acceleration for several seconds while your pressing the accelerator. no ses indicator active. mechanics can’t find issues. other owners on forum a report the same sluggish behavior. these 1.5 tu…”
Excerpts of consumer complaints filed with NHTSA, lightly truncated. They are owner statements, not verified findings.