2014 GMC Terrain Problems & Owner Complaints

Engine 124

“My husband just did an at home oil change on the car not long before the incident. Unfortunately my car was barely under 3,000 miles since the oil change and we were going to change the oil again when my engine died mid drive on the way home. There was no oil in the car due to high oil consumption and no coolant either. High oil consumption was not reported and not disclosed to me before and a broken guide for my timing chain leading to total engine failure just after I started to exit the highway. Had my car died any sooner I would have crashed. Or wrecked with another vehicle. GMC and the de…”
NHTSA complaint #11718808, 2026

“I purchased this in March of 2025. 2 or 3 weeks after I bought this I took it to an oil lube shop and they said there was not any oil on the.dip stick. Also I started noticing the car being jerky while driving and when shutting it off it sputters. I took it to Max motors, a GMC dealer for a diagnostic check because it uses a quart of oil a week. They told me the high pressure fuel pump is bad and the piston rings were no good. This was on the 18th of June. I had taken it to the dealer I bought it from and complained about the problems, but he wouldn't do anything about it . The warranty was…”
NHTSA complaint #11675197, 2025

“The contact owns a 2014 GMC Terrain. The contact stated that while driving 50 MPH, the vehicle started jerking and hesitating abnormally. A dealer was contacted. The vehicle was towed to a dealer, where it was diagnosed and determined that the piston rings were damaged, the high-pressure fuel pump had failed, and the engine needed to be replaced. The vehicle was not repaired. The manufacturer was not notified of the failure. The failure mileage was 130,000.”
NHTSA complaint #11673778, 2025

Visibility/Wiper 74 1 fire

“Headlights- melted plug causing fire damage on both headlights, replaced with new headlights and bulbs as well as a new wire harness plug. Was driving smelt smoke/wires burning. Wipers- stop preforming during rain storm Southeastern NC on hwy 701 south on 3-24-22. And still does not work. Maybe be associated with older model terrain recall. Same happen to this model.”
NHTSA complaint #11458141, 2022 · fire

“The contact owns a 2014 GMC Terrain. The contact stated while driving 15 MPH in a snowstorm, the windshield wipers became inoperable. The contact was able to drive to the residence. The contact had received notification of NHTSA Campaign Number: 22V165000 (Visibility). The vehicle was taken to the dealer for the recall repair; however, the dealer informed the contact that the recall repair could not be performed due to a Salvage Title. The manufacturer was contacted and advised the contact that the repair could be covered because the Salvage Title was not related to the windshield wipers; howe…”
NHTSA complaint #11630036, 2024

“I was driving my suv while it was raining heavily and my driver side wipers just stop working out of no where the passenger side still operates. I have not been to see if a dealer can fix it because I was unaware it was under recall so now I’m trying to find someone to fix it while under the recall.”
NHTSA complaint #11606374, 2024

Power Train 33

“Tensioner issues keeps breaking the timing chain. . Replaced twice at own cost. Fuel pump/ loss of power while driving. Back up camera doesn't work sometimes. Screen goes black. If key is left in the ignition it starts itself. If you try to use a car charger for a phone the AC shuts off and a "systems error" message pops up. This happens alot. It's an ongoing issue since I bought the car in Feburary this year.”
NHTSA complaint #11670432, 2025

“Vehicle is consuming excessive amount of oil in short drive time up to 3qt in less than 1000 miles. With no oil leaks. Vehicle only has 139840 miles. Has regular oil changes and services done.”
NHTSA complaint #11651372, 2025

“I have a 2014 GMC Terrain with less than 70k miles on the vehicle. I took the truck to the mechanic and was advised the power belts were no good. Why is this? The truck has no mileage on it basically for a 2014, I have a 2011 Chevy with more miles than this truck and its power belts are fine. The Mechanic also advised me within the last 3 years, his shop in Cecil County MD has changed over 125 Power Belts on the 2014 GMC Terrain AWD (V6), same vehicle that I have.”
NHTSA complaint #11571424, 2024

Electrical System 32

“ABS Brake problem and have tried to get it repaired for over 3 months and cannot seem to be able to get the part and call GM with no help. Can not tell me when or where to buy the part. Nobody seems to be able to get a new part and no help from GM. If there is this many problems that there is no part left available it should be a national recall.”
NHTSA complaint #11682242, 2025

“Tensioner issues keeps breaking the timing chain. . Replaced twice at own cost. Fuel pump/ loss of power while driving. Back up camera doesn't work sometimes. Screen goes black. If key is left in the ignition it starts itself. If you try to use a car charger for a phone the AC shuts off and a "systems error" message pops up. This happens alot. It's an ongoing issue since I bought the car in Feburary this year.”
NHTSA complaint #11670432, 2025

“The contact owns a 2014 GMC Terrain. The contact stated that the vehicle failed to start, and the steering wheel was locked. A tow truck driver was able to start the vehicle after several attempts. There was no warning light illuminated. The contact was able to drive to the residence. The vehicle was taken to an independent mechanic, where the failure recurred. The mechanic was able to restart the vehicle and the contact drove to the residence. The vehicle was not diagnosed or repaired. The vehicle was taken back to the mechanic and was diagnosed. The vehicle was not repaired. The dealer and t…”
NHTSA complaint #11585368, 2024

Exterior Lighting 17 1 fire

“Headlights- melted plug causing fire damage on both headlights, replaced with new headlights and bulbs as well as a new wire harness plug. Was driving smelt smoke/wires burning. Wipers- stop preforming during rain storm Southeastern NC on hwy 701 south on 3-24-22. And still does not work. Maybe be associated with older model terrain recall. Same happen to this model.”
NHTSA complaint #11458141, 2022 · fire

“The contact owns a 2014 GMC Terrain. The contact received notification of NHTSA Campaign Numbers: 22V165000 (Visibility) and 22V137000 (Exterior Lighting) however, the parts to do the recall repairs were not yet available. The contact stated that the manufacturer had exceeded a reasonable amount of time for the recall repair. The dealer was made aware of the issue and confirmed that parts were not yet available. The manufacturer was made aware of the issue. Parts distribution disconnect.”
NHTSA complaint #11538411, 2023

“I haven’t had a call back from the dealership it has been over a year since I’ve heard anything from them to get the recall fixed.”
NHTSA complaint #11545519, 2022

Fuel/Propulsion System 16

“I purchased this in March of 2025. 2 or 3 weeks after I bought this I took it to an oil lube shop and they said there was not any oil on the.dip stick. Also I started noticing the car being jerky while driving and when shutting it off it sputters. I took it to Max motors, a GMC dealer for a diagnostic check because it uses a quart of oil a week. They told me the high pressure fuel pump is bad and the piston rings were no good. This was on the 18th of June. I had taken it to the dealer I bought it from and complained about the problems, but he wouldn't do anything about it . The warranty was…”
NHTSA complaint #11675197, 2025

“The AC is very poor and no back AC units is bad for small children. Also, engine light for exhaust”
NHTSA complaint #11601165, 2024

“Other years of this vehicle have recalls for the catalytic converter. My check engine came on and it said it could be that or the O2 sensors. O2 sensors have been replaced and the check engine light is back on.”
NHTSA complaint #11509473, 2023

Unknown Or Other 16 1 injury

“I HAVE A 2014 GMC TERRAIN SLT THAT WHEN THE LIFT GATE IS OPENED IT GOES ALL THE WAY OPEN, DROPS CLOSED ABOUT 1/4 OF THE WAY AND THEN OPENS FULLY AGAIN, THEN WITH POWER CLOSES-SLAMS SHUT. THE FIRST TIME IT HAPPENED 3 DAYS AGO, IT HIT ME IN THE HEAD AND KNOCKED ME TO THE GROUND. I CALLED DEALER WHERE I PURCHASED IT FROM AND THE TECK THERE SAID THERE WERE NO NOTED PROBLEMS OR RECALLS FOR THE "TERRAIN" MODELS AND I SHOULD COME IN AND JUST HAVE BOTH THE LEFT SIDE ACTUATOR AND THE RIGHT SIDE GAS STRUT REPLACED. THIS INITIALLY HAPPENED IN MY DRIVEWAY WITH THE CAR IN PARK AND ENGINE OFF. HAS ALSO H…”
NHTSA complaint #11092015, 2018 · 1 injury(ies)

“The AC is very poor and no back AC units is bad for small children. Also, engine light for exhaust”
NHTSA complaint #11601165, 2024

“While turning from out of. Wheel gas station, the truck just stopped abruptly and shut off. It left me in a turning lane that curves to a stop at a stop light. I was in a dangerous spot. It was raining and dark. The Burr Ridge police had to come due to the position my truck was in and push me out of the lane and danger. I had it towed by AAA that night. Then had to have it towed to a mechanic. Who informed me that it was the timing chain belt.”
NHTSA complaint #11569828, 2024

Visibility 15

“The contact owns a 2014 GMC Terrain. The contact received notification of NHTSA Campaign Numbers: 22V165000 (Visibility) and 22V137000 (Exterior Lighting) however, the parts to do the recall repairs were not yet available. The contact stated that the manufacturer had exceeded a reasonable amount of time for the recall repair. The dealer was made aware of the issue and confirmed that parts were not yet available. The manufacturer was made aware of the issue. Parts distribution disconnect.”
NHTSA complaint #11538411, 2023

“The contact owns a 2014 GMC Terrain. The contact received notification of NHTSA Campaign Number: 22V165000 (Visibility) and 22V137000 (Exterior Lighting) however, the parts to do the recall repair were unavailable. The contact had experienced a windshield wiper failure while driving at approximately 35 MPH in a rainstorm. The contact also stated that recently the passenger’s side headlight stopped functioning. The contact stated that the manufacturer had exceeded a reasonable amount of time for the recall repair. The manufacturer was made aware of the issue. The failure mileage was approximate…”
NHTSA complaint #11506218, 2022

“The contact owned a 2014 GMC Terrain. The contact received notification of NHTSA Campaign Numbers: 22V165000 (Visibility) and 22V137000 (Exterior Lighting) and would like to be removed from the recall distribution. The local dealer and manufacturer were not contacted.”
NHTSA complaint #11493950, 2022

Air Bags 11 5 crash 1 fire 4 injury

“The contact owned a 2014 GMC Terrain. The contact stated that while stopped at a red light a vehicle one rear-ended the vehicle. This caused the contact to crash into in front of her. The air bags did not deploy. A police report was filed. The vehicle was towed to an impound lot. The contact sustained back and neck injuries. Medical attention was needed. Additionally, the driver of vehicle three received medical attention with unknown injuries. The manufacturer was not notified of the failure. The failure mileage was 80,000.”
NHTSA complaint #11541344, 2023 · crash · 2 injury(ies)

“TL* THE CONTACT OWNS A 2014 GMC TERRAIN. WHILE DRIVING 40 MPH, THE CONTACT SWERVED TO AVOID A DEER. AS A RESULT, SHE DROVE OFF THE ROAD INTO A TALL GRASS AREA AND STRUCK A CONCEALED CABLE BOX. THE PASSENGER SIDE GRILL WAS DAMAGED AND THERE WAS A SMALL DENT ON THE HOOD. THE AIR BAGS DID NOT DEPLOY ALTHOUGH THE AIR BAG INDICATOR WAS ILLUMINATED. THERE WAS A BURNING ODOR COMING FROM THE VEHICLE, THE FLASHERS ACTIVATED ON ITS OWN, AND THE INTERIOR LIGHTS FAILED TO SHUT OFF. THE CONTACT SUSTAINED MINOR BRUISES ON HER WRIST AND SORENESS FROM THE SEAT BELT RETRACTING. MEDICAL ATTENTION WAS NOT RECEIV…”
NHTSA complaint #11292060, 2019 · crash · fire · 1 injury(ies)

“None of the Airbags deployed in my 2014 GMC TERRIAN when I was in an accident.was struck very hard on rear passenger side spun around and hit a tree head one.”
NHTSA complaint #11463700, 2022 · crash · 1 injury(ies)

Service Brakes 10

“ABS Brake problem and have tried to get it repaired for over 3 months and cannot seem to be able to get the part and call GM with no help. Can not tell me when or where to buy the part. Nobody seems to be able to get a new part and no help from GM. If there is this many problems that there is no part left available it should be a national recall.”
NHTSA complaint #11682242, 2025

“Brakes fade away after applying them. TPMS sensors are reading low tire pressure and are not accurate.”
NHTSA complaint #11455054, 2022

“DRIVING BETWEEN 40-45MGH AND STABILITRAK FAILURE SERVICE AND ABS FAILURE LIGHT COMES ON. AT EVERY BUMP THE SERVICE LIGHTS GOES ON AND OFF. THEN ON A SMOOTH SERVICE THE STABILITRAK LIGHTS COMES ON UNTIL I GET HOME. WITH THE COLLISION WARNING TURNED ON THE CAR ALSO AND ALMOST FREQUENTLY TENDS TO BRAKE ON ITS OWN WHILE DRIVING. BUT HERE'S THE REAL PROBLEM THIS 2014 GMC TERRAIN DENALI CAR IS NOT ON THE 'RECALL' LIST - WHY? SEEMS IT'S FROM THE SAME CAR MANUFACTURER WITH SAME ISSUES, SHOULDN'T IT BE ON THE SAME RECALL LIST.”
NHTSA complaint #11322147, 2020

Electronic Stability Control (Esc) 9

“MY 2014 TERRAIN 2.4 ECO TECH IS USING EXCESSIVE OIL CONSUMPTION. I NOTICED THERE HAS BEEN A RECALL AND CLASS ACTION SUIT ABOUT THIS. THIS HAS ALSO CAUSED MY TIMING CHAIN TO NEED REPLACED. I WAS DRIVING TO WORK A COUPLE WEEKS AGO AND THE ENGINE ENTERING LOW POWER MODE NOTIFICATION CAME ON. ALONG WITH THE CHECK ENGINE LIGHT. AND THE STABILITY CONTROL LIGHT CAME ON.”
NHTSA complaint #11362767, 2020

“THE STABILITY CONTROL LIGHT CAME ON AND IT WOULD NOT LET ME DRIVE IT JUST STOP IN THE ROAD”
NHTSA complaint #11355111, 2020

“DRIVING BETWEEN 40-45MGH AND STABILITRAK FAILURE SERVICE AND ABS FAILURE LIGHT COMES ON. AT EVERY BUMP THE SERVICE LIGHTS GOES ON AND OFF. THEN ON A SMOOTH SERVICE THE STABILITRAK LIGHTS COMES ON UNTIL I GET HOME. WITH THE COLLISION WARNING TURNED ON THE CAR ALSO AND ALMOST FREQUENTLY TENDS TO BRAKE ON ITS OWN WHILE DRIVING. BUT HERE'S THE REAL PROBLEM THIS 2014 GMC TERRAIN DENALI CAR IS NOT ON THE 'RECALL' LIST - WHY? SEEMS IT'S FROM THE SAME CAR MANUFACTURER WITH SAME ISSUES, SHOULDN'T IT BE ON THE SAME RECALL LIST.”
NHTSA complaint #11322147, 2020

Engine And Engine Cooling 6

“The contact owns a 2014 GMC Terrain. The contact stated that while driving at various speeds, the vehicle was consuming an excessive amount of engine oil. There was no warning light illuminated. The contact was adding approximately 3-4 quarts of oil every 1,000 miles. The contact was informed by a mechanic that the failure might be related to a defective oil sending unit or piston oil ring. The manufacturer was not notified of the failure. The vehicle was not diagnosed or repaired. The failure mileage was approximately 50,000.”
NHTSA complaint #11658263, 2024

“The contact owns a 2014 GMC Terrain. The contact stated that while his wife was driving at an undisclosed speed, the vehicle stalled. The contact stated that his wife was not aware of any warning lights being illuminated. The contact stated that his wife was unable to restart the vehicle, and had the vehicle towed to the residence. The contact called an independent mechanic to the residence who diagnosed the vehicle and determined that there was oil leaking into the engine block and cylinders. The mechanic determined that the positive crankcase valve (PCV) had failed and needed to be replaced…”
NHTSA complaint #11612606, 2024

“The contact owns a 2014 GMC Terrain. The contact stated that the oil reservoir was constantly needing to be refilled. The contact stated that he had to have the oil changed and added every 4 weeks. The contact stated that the check engine warning light had been illuminated. The contact had taken the vehicle to an independent mechanic who diagnosed that the catalytic converter had failed due to engine oil deposits and needed to be replaced. The vehicle was repaired. The contact stated that the failure reoccurred, he saw the check engine warning light was illuminated and was again having to add…”
NHTSA complaint #11635285, 2023

Steering 5 1 crash

“TL* THE CONTACT OWNED A 2014 GMC TERRAIN. THE CONTACT STATED THAT WHILE DRIVING APPROXIMATELY 20 MPH AND MAKING A RIGHT TURN, THE STEERING WHEEL SEIZED. AS A RESULT, THE CONTACT CRASHED INTO ANOTHER VEHICLE THAT WAS A STOP SIGN. IT WAS UNKNOWN IF A POLICE REPORT WAS FILED AND THERE WERE NO INJURIES SUSTAINED. THE VEHICLE WAS DESTROYED. THE MANUFACTURER WAS NOT NOTIFIED OF THE FAILURE. THE FAILURE MILEAGE WAS 14,248.”
NHTSA complaint #10732175, 2015 · crash

“The contact owns a 2014 GMC Terrain. The contact stated while at a complete stop at a red light, the doors were making locking and unlocking sounds. The contact stated upon depressing the accelerator pedal to resume driving, the vehicle failed to exceed 25 MPH. The messages "Service Stabili-trak" and "Service Power Steering" were displayed, and the check engine warning light was illuminated. The contact was able to drive to the residence. The vehicle was towed to the dealer, where it was being diagnosed. The vehicle was not yet diagnosed or repaired. The manufacturer was notified of the failur…”
NHTSA complaint #11621543, 2024

“CAR STALLS WHEN MAKING A RIGHT TURN. I STARTED MY CAR AND TRIED TO TURN RIGHT AND CONTINUOUSLY STALLED UNTIL MY CAR WAS DONE TURNING.”
NHTSA complaint #11288753, 2019

Structure 5

“The contact owns a 2014 GMC Terrain. The contact stated that the was consuming an excessive amount of engine oil; however, there were no oil leaks evident. There were no warning lights illuminated. The vehicle was taken to a certified mechanic who informed the contact that the frame near the rear wheel on the driver's side was completely rusted. The mechanic stated that the vehicle was not safe to drive. The vehicle was not diagnosed for the oil consumption failure. The vehicle was not repaired. The manufacturer was not informed of the failure. The failure mileage was approximately 71,000.”
NHTSA complaint #11661246, 2025

“THE POWERED LIFT GATE RAISED ALL THE WAY UP (AS REQUESTED), THEN DROPPED UNEXPECTEDLY ON MY WIFE'S BACK AND HEAD THEN RAISED AGAIN THEN DROPPED AND LATCHED. THE POWERED LIFT GATE REPEATS THIS UPON EVERY REQUEST TO OPEN AND WILL NOT REMAIN OPEN, MAKING THE REAR CARGO AREA BASICALLY USELESS. THE LIFT GATE IS VERY HEAVY AND COULD POSSIBLY INJURE SOMEONE WHEN DROPPING DOWN UNEXPECTEDLY. THE VEHICLE WAS PARKED IN OUR GARAGE UPON THE FIRST TIME AND THE VEHICLE HAS BEEN PARKED EACH TIME THE LIFT GATE WAS REQUESTED TO OPEN.”
NHTSA complaint #11252214, 2019

“PURCHASED A 2014 GMC TERRAIN CERTIFIED FROM A DEALER AND IT HAD VISIBLE RUST ON DRIVERS SIDE REAR PASSENGER DOOR HEM. IT WAS TAKEN TO ABRA AUTO BODY SHOP AND WORKED ON 3 TIMES WITH THE RUST COMING RIGHT BACK THROUGH ONLY AFTER 7 DAYS. IT WAS SEAMED AND SEALED FOR A FINAL TIME AND THE AUTO BODY SHOP EVEN ADMITTED IT WILL NOT STOP THE RUST AND RECOMMENDS A NEW DOOR SHELL. HOW CAN A CAR ONLY 2 YRS 10 MONTHS OLD HAVE THIS BAD OF RUST? OTHER 3 DOORS HAVE VERY LIGHT SPOTS AND FRONT END FENDER PANELS AS WELL. HUSBAND ALSO PURCHASED A 2013 TERRAIN AND IT HAS SAME ISSUES.”
NHTSA complaint #10924028, 2016

Seats 3

“1) BRAKES HAVE ALWAYS RUBBED & GRABBED REALLY HARD WHEN APPLIED. ALMOST LIKE THEY ARE DEFECTIVE ROTORS. HARD TO STOP FAST. I NOTICE THEY RECALLED A LOT OF THEIR BRAKES, BUT NOT MINE. 2). TRANSMISSION JERKS & SHIFTS VERY VIOLENTLY @ 16 & 17 MILES PER HOUR. SEEMS TO SLIP & NOT SHIFT @ THAT SPEED REALLY ROUGH. HAS ALWAYS DONE THIS. 3) SOMETIMES THE COLLISION ALERT GOES OFF & THERE IS NOTHING AROUND I LIVE IN THE COUNTRY & HAVE NO TRAFFIC IT WILL JUST GO OFF SCARES THE CRAP OUT OF YOU & STARTLES ME. I SAW ANOTHER PERSON HAD THIS HAPPEN ALSO ALL SITUATIONS ARE IN MOTION WHILE DRIVING…”
NHTSA complaint #11258200, 2014

“TL* THE CONTACT OWNS A 2014 GMC TERRAIN. THE CONTACT STATED THAT THE FRONT PASSENGER SEAT WOULD NOT MOVE FORWARD OR BACKWARDS. THE VEHICLE WAS TAKEN TO THE DEALER WHO STATED THAT THE FRONT PASSENGER SEAT TRACK WAS FRACTURED. THE VEHICLE WAS NOT REPAIRED. THE MANUFACTURER WAS NOT MADE AWARE OF THE FAILURE. THE FAILURE MILEAGE WAS 10,000.”
NHTSA complaint #10683155, 2014

“I HAD THIS CAR AS A RENTAL. MY WIFE WAS IN THE PASSENGER SEAT AND USES A CUSHION TO SIT ON, BECAUSE OF BACK PROBLEMS. WE NOTICED THAT AIR BAG "ON" LIGHT WAS NOT LIT. WHEN SHE TOOK AWAY THE SEAT CUSHION THE AIRBAG "ON" WAS LIT.I DON'T KNOW IF THIS IS A PROBLEM, BUT THERE WAS NO WARNING MSG ANYWHERE ABOUT USING A SEAT CUSHION. THERE WAS NO OVERRIDE SWITCH TO FORCE THE AIRBAG "ON" LIGHT EITHER AND ACTIVATE THE SYSTEM. *TR”
NHTSA complaint #10588904, 2014

Vehicle Speed Control 3

“On October 13, 2023, I was driving on the highway when my 2014 GMC Terrain power was reduced. Suddenly, the engine light came on and car began throttling. Second, an error message appeared on my dashboard indicating “ engine power is reduced.” Then it stopped in the middle of the highway. I was able to restart my vehicle and drove it to a nearby mechanic shop. The mechanic said the problem was my timing chain and that my vehicle was not drivable. I left my vehicle at the mechanic shop because it was the weekend and It needed it to be towed to the dealership. On Monday, October 16, 2023, I ha…”
NHTSA complaint #11551737, 2023

“. IN OCTOBER 2019 MY CAR NEEDED TO HAVE EXTENSIVE WORK DONE ON ITS TIMING CHAINS, VARIABLE VALVE TIMING SOLENOIDS, INTAKE VARIABLE ENGINE VARIABLE TIMING SOLENOID, VARIABLE VALVE TIMING SPROCKET, HEATED OXYGEN SENSOR, TIMING COVER GASKET SET, VALVE COVER GASKET SET, IRIDIUM SPARK PLUGS, WATER PUMP, ENGINE OIL FILTERS, SYNTHETIC DEXOS MOTOR OIL, COOLANT. THEN IN JULY 2020 THE TIMING CHAINS COLLAPSED ON ME WHILE I WAS ON MY WAY HOME FROM WORK. THE ENTIRE ENGINE HAD TO BE REPLACED. MY CAR WAS COMPLETELY TOTALED AFTER THE ENGINE COLLAPSED AND I WAS STUCK OWING 12000 DOLLARS ON A USELESS CAR.”
NHTSA complaint #11372992, 2020

“FIRST INCIDENT-AUGUST 28,2014 ACCELERATING ONTO HIGHWAY FROM STORE LOT, SHARP RIGHT ACCELERATED AND ENGINE DIED. NO POWER, BATTERY OK. MESSAGE "REDUCED ENGINE POWER" AND "STABILITY TRACK" . TOWED TO GARAGE WHICH REPLACE ENGINE MODULE. FORTY MILES FROM GARAGE, ACCELERATING ON RIGHT TURN SAME PROBLEM. ENGINE DIED (WE NEARLY GOT HIT) AND MESSAGE SAME , "REDUCED..." AND "STABILITY.." . TOWED TO GARAGE AND WAITING FOR RESULTS. *TR”
NHTSA complaint #10631083, 2014

Lane Departure 2

“"SERVICE SIDE DETECTION SYSTEM" WARNING UPON STARTUP AND SPORADICALLY WHEN DRIVING AT NORMAL SPEEDS. THE BLIND SPOT MONITOR LIGHTS IN THE SIDE MIRRORS DO NOT FUNCTION ANYMORE. UPON STARTING THE VEHICLE, BOTH SIDES USED TO ILLUMINATE WHILE RUNNING THRU SYSTEMS CHECK. NOW ONLY THE DRIVER'S SIDE LIGHTS UP. TO CONFIRM, THE BLIND SPOT MONITORING DOES NOT WORK FOR EITHER SIDE OF THE VEHICLE NOW. THE SENSOR IS UNDERNEATH THE REAR BUMPER COVER, EXPOSED TO THE ELEMENTS. THERE ARE SEVERAL FORUMS MENTIONING THIS ON THE GMC TERRAIN DENALI MODEL ALONG WITH CADILLAC AND CHEVROLET MODELS THAT HAVE TH…”
NHTSA complaint #11399091, 2020

Seat Belts 2 1 crash 3 injury

“I was in a pretty nasty single vehicle accident. I had my seatbelt on and it DID NOT LOCK on impact as should. It was like I didn’t even have a seatbelt on. I had free range of motion which meant I was pretty much just being bounced around with the airbags and could of went through the windshield it was that bad.”
NHTSA complaint #11461745, 2021 · crash · 3 injury(ies)

“MY AIR BAG / SEAT BELT KEEP LIGHT KEEPS COMING ON . CODE B001B AIR BAG PASSENGER SEAT ANCHOR PRETENSION DEPLOYMENT LOOP. THIS IS DEFINITELY A SAFETY HAZARD THAT SHOULD HAVE A RECALL.”
NHTSA complaint #11204675, 2019

Wheels 2

“Brakes fade away after applying them. TPMS sensors are reading low tire pressure and are not accurate.”
NHTSA complaint #11455054, 2022

“WHEN DRIVING AT VERY LOW SPEED THERE IS A CREAKING SOUND WHICH SEEMS TO BE COMING FROM THE FRONT SIDE ON THE BOTTOM. GMC HAS A SERVICE BULLETIN #PI1314:CREAK/POPTYPE NOISE FROM RIGHT FRONT OF VEHICLE DURING LOW SPEED MANEUVERS-(SEPT.17,2014). THE FIX INVOLVES RIPPING UP CARPET AND CUTTING A HOLE APPROX. 1 FT. SQUARE IN FRONT WALL OF INTERIOR. THE SEAT HAS TO BE REMOVED . THE BLOWER MOTOR HAS TO BE REMOVED. THE RIGHT SIDE FRONT CONSOLE TRIM PLATE AND BODY HINGE TRIM PANEL, THEN CUTTING A HUGE HOLE IN THE WALL. I HAD A 2011 TERRAIN, WHICH I PURCHASED NEW AND I NEVER EXPERIENCED THIS PROBLEM. TH…”
NHTSA complaint #10655263, 2014

Forward Collision Avoidance 1

“My engine Burns a very large amount of oil rapidly. I have to replace oil in the engine at least twice a week. I went to the Automotive Service Center and they indicated that my timing chain need to be readjusted and that the engine itself between the year of 2010 and 2017 on gmc terrains have major problems/ defects in with the engine. I was driving on the highway and the car slowed down I barely could get any acceleration. I then had to get off of the expressway to avoid collisions. I took my car to the shop several other times for automatic brake system problems and stability tra…”
NHTSA complaint #11494215, 2022

Latches/Locks/Linkages 1

“TL* THE CONTACT OWNS A 2014 GMC TERRAIN. THE CONTACT STATED THAT WHILE DRIVING AT 60 MPH, THE DOORS AUTOMATICALLY UNLOCKED WHENEVER THE DOOR HANDLES WERE PULLED. THE CONTACT MENTIONED THAT ON TWO OCCASIONS WHILE DRIVING AND THE CHILD LOCK ACTIVATED, THE FAILURE RECURRED. THE VEHICLE WAS NOT DIAGNOSED OR REPAIRED. THE MANUFACTURER WAS NOT NOTIFIED OF THE FAILURE. THE VIN WAS UNAVAILABLE. THE APPROXIMATE FAILURE MILEAGE WAS 1,500.”
NHTSA complaint #10618798, 2014

Suspension 1

“WHEN DRIVING AT VERY LOW SPEED THERE IS A CREAKING SOUND WHICH SEEMS TO BE COMING FROM THE FRONT SIDE ON THE BOTTOM. GMC HAS A SERVICE BULLETIN #PI1314:CREAK/POPTYPE NOISE FROM RIGHT FRONT OF VEHICLE DURING LOW SPEED MANEUVERS-(SEPT.17,2014). THE FIX INVOLVES RIPPING UP CARPET AND CUTTING A HOLE APPROX. 1 FT. SQUARE IN FRONT WALL OF INTERIOR. THE SEAT HAS TO BE REMOVED . THE BLOWER MOTOR HAS TO BE REMOVED. THE RIGHT SIDE FRONT CONSOLE TRIM PLATE AND BODY HINGE TRIM PANEL, THEN CUTTING A HUGE HOLE IN THE WALL. I HAD A 2011 TERRAIN, WHICH I PURCHASED NEW AND I NEVER EXPERIENCED THIS PROBLEM. TH…”
NHTSA complaint #10655263, 2014