Every 2018 GMC Terrain recall
Each campaign as NHTSA published it: what is wrong, what can happen, and the fix. Newest first.
Power Train · NHTSA 20V668000
Oct 29, 2020Power Train:Automatic Transmission
- Problem
- General Motors LLC (GM) is recalling certain 2018-2019 Chevrolet Cruze and Buick LaCrosse, 2018-2020 Chevrolet Equinox, Chevrolet Traverse and GMC Terrain, 2018 Chevrolet Malibu, 2019-2020 Buick Encore, Buick Enclave, Cadillac XT4, Chevrolet Blazer and GMC Acadia, and 2020 Cadillac XT6 vehicles. The start/stop accumulator endcap may have missing bolts.
- Risk
- Missing bolts on the start-stop accumulator endcap could result in a transmission oil leak and may progress to a loss of propulsion, increasing the risk of a crash. A transmission fluid leak in the presence of an ignition source may increase the risk of fire.
- Fix
- GM will notify owners, and dealers will inspect the start-stop transmission accumulator and replace it if any bolts are missing, free of charge. The recall began December 15, 2020. Owners may contact GMC customer service at 1-888-988-7267, Buick Customer service at 1-866-608-8080, Chevrolet customer service at 1-800-222-1020 or Cadillac customer service at 1-800-458-8006. GM's number for this recall is N202313440.
Full recall details for 20V668000 →Service Brakes, Hydraulic · NHTSA 18V576000
Aug 30, 2018Service Brakes, Hydraulic:Foundation Components:Disc:Caliper
- Problem
- General Motors LLC (GM) is recalling certain 2018-2019 Chevrolet Equinox, Impala, Cruze, Volt and Bolt EV vehicles, GMC Terrain vehicles, Buick Lacrosse and Regal vehicles, Cadillac XTS and XTS Professional vehicles and 2018 Chevrolet Malibu vehicles. The rear brake caliper pistons may have an insufficient coating causing gas pockets to form, potentially reducing rear brake performance.
- Risk
- A reduction of braking performance can increase the risk of a crash.
- Fix
- GM will notify owners, and dealers will bleed the vehicle's brake system, free of charge. The recall began October 11, 2018. Owners may contact Buick customer service at 1-800-521-7300, Cadillac customer service at 1-800-458-8006, Chevrolet customer service at 1-800-222-1020, or GMC customer service at 1-800-462-8782. GM's number for this recall is 18279.
Full recall details for 18V576000 →Fuel System, Gasoline · NHTSA 18V358000
May 31, 2018Fuel System, Gasoline:Delivery:Fuel Pump
- Problem
- General Motors LLC (GM) is recalling certain 2015-2018 GMC Canyon, 2016-2017 Buick Envision, 2016-2018 Chevrolet Colorado and Malibu, 2017-2018 GMC Acadia, 2018 Buick LaCrosse, Cadillac ATS, Chevrolet Equinox, and GMC Terrain vehicles. The high pressure fuel pump may detach from its mounting flange, possibly resulting in the pump damaging the high pressure fuel line.
- Risk
- A damaged fuel line can create a fuel leak, increasing the risk of a fire.
- Fix
- GM will notify owners, and dealers will replace the high pressure fuel pump, and high pressure fuel pipe, free of charge. The recall began July 2, 2018. Owners may contact Buick customer service at 1-800-521-7300, Cadillac customer service at 1-800-458-8006, Chevrolet customer service at 1-800-222-1020, or GMC customer service at 1-800-462-8782. GM's number for this recall is 18188.
Full recall details for 18V358000 →Air Bags · NHTSA 18V340000
May 24, 2018Air Bags: Air Bag/Restraint Control Module
- Problem
- General Motors LLC (GM) is recalling certain 2018 GMC Terrain vehicles. The sensing diagnostic module (SDM) that senses a crash and deploys the necessary air bags may not power down correctly when the vehicle is shut off, causing it to be inoperative when the vehicle is restarted.
- Risk
- If the SDM becomes inoperative, it will not detect a crash or command the necessary air bag deployment, increasing the risk of injury in the event of a crash.
- Fix
- GM will notify owners, and dealers will reprogram the SDM with updated software, free of charge. The recall began June 29, 2018. Owners may contact GMC customer service at 1-800-462-8782. GM's number for this recall is 18179.
Full recall details for 18V340000 →Power Train · NHTSA 17V516000
Aug 22, 2017Power Train:Driveline:Driveshaft
- Problem
- General Motors LLC (GM) is recalling certain 2018 Chevrolet Equinox and GMC Terrain vehicles and 2017-2018 GMC Acadia vehicles. The right front intermediate driveshaft may fracture and separate while driving.
- Risk
- If the front right intermediate drive shaft assembly separates while driving, the vehicle will lose propulsion, increasing the risk of a crash. If the assembly separates while parked on a grade, without the park brake engaged, the vehicle may move unintentionally, increasing the risk of a vehicle roll-away.
- Fix
- GM will notify owners, and dealers will replace the right front intermediate drive shaft assembly, free of charge. The recall began August 25, 2017. Owners may contact GMC customer service at 1-800-462-8782 or Chevrolet customer service at 1-800-222-1020. GM's number for this recall is 17329.
Full recall details for 17V516000 →
2018 GMC Terrain complaints and service bulletins
Owners filed 223 complaints with NHTSA about the 2018 GMC Terrain, reporting 14 crashes, 1 fires, 12 injuries. GMC has issued at least 1,345 technical service bulletins (repair instructions to dealers) for this model year. Complaints are unverified owner reports; a recall is the manufacturer’s admission of a safety defect.
Most-reported components
- Service Brakes69
- Engine54
- Power Train41
- Electrical System35
- Unknown Or Other35
- Air Bags14
Service bulletins by component
- Equipment (474)
- Electrical System (305)
- Engine and Engine Cooling (223)
- Engine (145)
- Power Train (133)
- Unknown Or Other (81)
Read GMC Terrain owner complaints and bulletins, every year
What people reported
Owners have filed 223 complaints with NHTSA about the 2018 GMC Terrain. A few in their own words, shortened. Complaints are unverified and are not proof of a defect or of any recall.
Injury reportedCrash
“My car was t-boned on the driver side and no airbags deployed. The outer door and window exploded with the force. We were also hit from behind”
2018 GMC TERRAINMar 16, 2026 · PA
Complaint filed with NHTSA, not verified by the agency · NHTSA complaint 11724819
Crash
“Head on collision with a deer destroying the front head light and severely damaging the drivers side door. No airbags were deployed.”
2018 GMC TERRAINDec 27, 2023
Complaint filed with NHTSA, not verified by the agency · NHTSA complaint 11562197
Injury reportedCrash
“My husband and son were involved in an almost fatal accident on 07/08/23 in our 2018 Terrain.”
2018 GMC TERRAINJul 9, 2023
Complaint filed with NHTSA, not verified by the agency · NHTSA complaint 11531130
Injury reported
“When trying to brake, brake pedal became extremely hard to push and Repair brake assist notification and check engine light came on”
2018 GMC TERRAINSep 6, 2022
Complaint filed with NHTSA, not verified by the agency · NHTSA complaint 11483176
Crash
“MY 2018 GMC TERRAIN BRAKES DID NOT WORK WHEN COMING TO A STOP AT STOP LIGHTS WHICH CAUSED ME TO REAR END THE CAR IN FRONT OF ME. THERE WAS NO WARNING ON MY SUV NOR DID I RECEIVE A RECALL ON THIS MATTER.”
2018 GMC TERRAINJan 31, 2021
Complaint filed with NHTSA, not verified by the agency · NHTSA complaint 11390858
Check your Terrain by VIN
Not every 2018 GMC Terrain is in every recall. Enter your 17-character VIN to see the recalls on record for your exact vehicle, then confirm which are still open at NHTSA.gov or with any GMC dealer.
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