2018 GMC TERRAIN

5 recalls, 324 complaints - 1,767 TSBs - 5/5 safety rating

POWER TRAIN:AUTOMATIC TRANSMISSION

Defect Description

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. Th... Read more

Consequence

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.

Remedy

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 custom... Read more

194,105 vehicles affected

Manufacturer: General Motors LLC

SERVICE BRAKES, HYDRAULIC:FOUNDATION COMPONENTS:DISC:CALIPER

Defect Description

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 insuf... Read more

Consequence

A reduction of braking performance can increase the risk of a crash.

Remedy

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 servi... Read more

210,628 vehicles affected

Manufacturer: General Motors LLC

FUEL SYSTEM, GASOLINE:DELIVERY:FUEL PUMP

Defect Description

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... Read more

Consequence

A damaged fuel line can create a fuel leak, increasing the risk of a fire.

Remedy

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... Read more

895 vehicles affected

Manufacturer: General Motors LLC

AIR BAGS: AIR BAG/RESTRAINT CONTROL MODULE

Defect Description

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.

Consequence

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.

Remedy

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.

88,503 vehicles affected

Manufacturer: General Motors LLC

POWER TRAIN:DRIVELINE:DRIVESHAFT

Defect Description

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.

Consequence

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 r... Read more

Remedy

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.

2,905 vehicles affected

Manufacturer: General Motors LLC

Complaint Statistics

324 total complaints 26 crashes 4 fires 20 injuries

Top Reported Components

Component	Complaints
SERVICE BRAKES	40
ENGINE	40
POWER TRAIN	37
ELECTRICAL SYSTEM	36
UNKNOWN OR OTHER	34
FUEL/PROPULSION SYSTEM	18
AIR BAGS	14
STEERING	14
FORWARD COLLISION AVOIDANCE: AUTOMATIC EMERGENCY BRAKING	10
VEHICLE SPEED CONTROL	9

Incident date: Jul 29, 2026

While driving my 2018 GMC Terrain, the vehicle suddenly displayed an “Engine Power Reduced” warning and the brakes became extremely hard to press. The vehicle experienced a sudden loss of normal power-brake assist while it was in motion, creating a serious safety risk because significantly great... Read more

Incident date: Jul 29, 2026

Incident date: Aug 2, 2026

The contact owns a 2018 GMC Terrain. The contact stated that while driving at an undisclosed speed, the brake pedal was depressed; however, the vehicle failed to stop as intended. The contact stated that the brake pedal was abnormally firm. The brake pedal was depressed to the floor, and the vehicle... Read more

Incident date: Jul 22, 2026

Vehicle would slowly roll even when break is applied. It was confirmed by the service center that the break booster vacuum pump was only reading 8 when it should be at 27. It was not making enough pressure. The vehicle would not stop when break was applied.

Incident date: Jul 11, 2026

The vehicle has had regular maintenance, oil change, and inspection including the brakes. My boyfriend is visiting me in [XXX] from the [XXX]. OnXXX while driving the vehicle the engine started. Making a ticking noise especially during idle and when accelerating in idle. About 15 minutes after the t... Read more

Incident date: Jul 11, 2026

Incident date: Jun 3, 2026

This is my wife’s car, I have already had to replace the evap hoses on this car twice due to faulty motor craft purge valves. I also replaced the charcoal canister before the second time I replaced the evap hoses so somewhere in the system there is a faulty part. Now at 80,000 miles my wife’s... Read more

Incident date: May 24, 2026

While traveling on the highway in traffic, brakes became very stiff when depressed after attempting to slow down to exit. Was able to put full bodyweight into the brake pedal to slow enough to exit and navigate to the gas station right off the exit. Had to roll stop signs and unsafely navigate traff... Read more

Incident date: May 22, 2026

Gas leaking from the hood. High pressure fuel pump

Incident date: Mar 15, 2026

The contact stated while the contact's husband was driving at an undisclosed speed, the accelerator pedal was depressed, however the vehicle failed to accelerate as intended. The contact noticed an abnormal knocking sound. The vehicle was driven to the shoulder of the road. The contact stated that s... Read more

Incident date: Mar 15, 2026

The safety sensors mounted on the front of the car seem to disable frequetnly. I belive it is the bumper sensors. I read it is a known issue that they disable when it's snowing/raining/mud. I cleaned them off and took a 3 hour drive in clear weather, dry roads. they would disable and then come b... Read more

Incident date: Mar 18, 2026

2023 GMC Yukon XL 6.2L V8 experienced progressive engine defects starting in first year. At 7,445 mi (Jan 2023), first dealer visit for engine issues. At 10,315 mi (Apr 2023), Cyl 2 fuel injector failed (internally open), vehicle TOWED to dealer, replaced under warranty. At 14,982 mi (Aug 2023), ide... Read more

Incident date: Mar 13, 2026

On 10/29/25 I brought the vehicle in to Richard Lucas Chevrolet due to the alert from my insurance co that there was a recall with parking brake system. The dealership checked the car and told me they had to order the part that was needed due to the recall. Prior I also made the dealer aware that th... Read more

Crash 1 injured

Incident date: Mar 6, 2026

My 2021 Chevrolet Silverado, with approximately 84,000 miles, experienced a premature and catastrophic transmission failure while driving. The vehicle began to shudder severely and lost its ability to accelerate properly, creating an unsafe driving condition. I was able to get the vehicle to a deale... Read more

Incident date: Feb 27, 2026

Driving home last night looking in my rear view mirrors I noticed it looked dark at the back of my F150. Once home I noticed I had no rear running lights, no brake lights, no rear turn signals. Not sure related but 2 days earlier I noticed that about 5 indicator lights on my dashboard were activat... Read more

Incident date: Feb 27, 2026

The contact owns a 2015 Chrysler 200. The contact stated that while driving at an undisclosed speed, the driver’s side headlight failed to function as intended. The message "Headlight not Working" was displayed. The vehicle was taken to an independent mechanic; however, no cause for the failure wa... Read more

Incident date: Jan 24, 2026

This new 2026 Vehicle faced multiple issues within a few weeks of purchase as stated below. 1. The instrument display panel or the main display screen of the car stopped working. The screen was completely blank and would not turn on. (confirmed and reproduced by Kia dealer, service order attached) 2... Read more

Incident date: Feb 19, 2026

The contact owns a 2017 Ford Edge. The contact received notifications of NHTSA Campaign Numbers: 25V544000 (Service Brakes, Hydraulic) and 25V572000 (Back Over Prevention); however, the parts to do the recall repairs were not yet available. The dealer was contacted. The contact stated that the manuf... Read more

Incident date: Jul 1, 2025

The contact leases a 2023 Mercedes-Benz EQS450. While driving at 35 MPH, the vehicle unexpectedly stopped with no other vehicle or object nearby. The vehicle was taken to the dealer on several occasions; however, the cause of the failure could not be determined. The contact was informed that it was ... Read more

Incident date: Jan 19, 2026

Burning an unusual amount of oil. Have seen several instances of blue smoke in the exhaust. Have had to add over a quart of oil twice in less than 6500 miles.

Incident date: Jan 2, 2026

The headlights of this car, and many cars of this modern age, have headlights that are blinding and make it significantly more difficult and dangerous to drive at night.

Incident date: Nov 1, 2025

Big noise axle issue front left and right side

Incident date: Dec 7, 2025

Forward collision system dint notify of an object infront , also breaks locked up when used .Air bags didn’t go off while a forward collision with a bus happened

Crash

Incident date: Nov 12, 2025

Unintended acceleration event. Entered vehicle, put my foot on the brake, cranked it, held in that position while seatbelting. Engine had a VERY loud revving sound. Within seconds vehicle moving backwards on its own. Foot still on the brake, had not touched gas pedal, had not touched gear shifte... Read more

Crash

Incident date: Mar 1, 2025

The contact owns a 2019 Nissan Murano. The contact stated while driving 45 MPH, the steering failed to turn in the intended direction. In addition, the contact stated that the steering wheel independently turned to the left or to the right. No warning lights were illuminated. The contact stated that... Read more

Incident date: Mar 1, 2025

The contact owns a 2013 Honda Odyssey. The contact stated that while driving at an undisclosed speed, the vehicle made an abnormal rattling sound occasionally. The check engine warning light was illuminated. The vehicle was taken to a local dealer, where it was diagnosed with a cylinder 3 misfire, D... Read more

Incident date: Mar 1, 2025

Incident date: Oct 29, 2025

I was driving to work, engine starting knocking, check engine and battery light came on, and truck shut down. I coasted to a stop and had truck trailered 110mi. to dealer.

Incident date: Oct 3, 2025

UnknownOn my dash my AWD fault warning has showed up followed by hill assist not available and traction control not available. I have looked for in formation online about it and it seems that it’s a recurring issue with 2020 Ford Escape and many others. I’ve seen that there was a customer satisf... Read more

Incident date: Oct 3, 2025

Incident date: Jul 25, 2025

The contact owns a 2025 Toyota Rav4 equipped with Michelin Tires, Tire Line: Primacy A/S, Tire Size: 225/60/R16, DOT Number: (N/A). The contact stated while driving 70 MPH, the rear passenger’s tire detached from the rim. The contact stated that the failure had occurred while driving on a three-la... Read more

Incident date: Sep 7, 2025

Driving a 2018 Tesla Model 3, driver seat shows message "Front left safety restraint system issue. Service is required". This occurs when the driver is in the seat with the seat belt fastened and the vehicle is in motion. This issue refers to the possible seat belt, seats and/or air bags failure. Th... Read more

Incident date: Sep 7, 2025

Incident date: Jun 15, 2025

The contact owns a 2022 Ford F-150. The contact received notifications of NHTSA Campaign Numbers: 25V315000 (Back Over Prevention) and 25V455000 (Fuel System, Gasoline); however, the parts to do the recall repairs were not yet available. The contact stated that the rearview camera image was black wh... Read more

Incident date: Jul 8, 2025

According to the recall which was first stated on 12/20/23, as of today, 8/22/25 Toyota has not provided a remedy and my car is not safe to carry a passenger!

Incident date: Jul 8, 2025

See attached document for complaint.

Incident date: Jul 8, 2025

The contact owns a 2021 GMC Yukon. The contact stated that while accelerating, the vehicle jumped and hesitated while accelerating until the vehicle exceeded 20 - 25 MPH. The contact stated that at 1,500-2500 RPM, the failure recurred. There were no warning lights illuminated. The contact stated tha... Read more

Incident date: May 21, 2025

I was driving into a parking space and my 2024 Ford F-150 Lightning had a sudden unintended acceleration, which caused vehicle to crash into the concrete block wall in front of the parking space.

Crash

Incident date: Jul 18, 2025

On July 14, 2025, our 2025 Honda Accord was serviced at Hall Honda Virginia Beach for a TPMS warning. The repair was marked complete under warranty by 12:24 PM. We picked up the car [XXX] at 7:30 AM. By 4:32 PM, the passenger-side tire catastrophically failed no TPMS alert, no impact, no pothole, ju... Read more

Incident date: Jul 12, 2025

The contact owns a 2021 Chevrolet Malibu. The contact stated while driving at an undisclosed speed, the check engine warning light illuminated. Additionally, the contact stated while attempting to drive from a complete stop, the vehicle hesitated while responding. The contact stated that the failure... Read more

Incident date: Jul 12, 2025

The contact owns a 2025 Genesis GV80. The contact stated that while operating the vehicle with the cruise control activated, the cruise control erroneously deactivated, causing the vehicle to suddenly decelerate. The vehicle was taken the local dealer who was unable to confirm that a failure had occ... Read more

Incident date: Jul 12, 2025

The contact owns a 2015 Ford Explorer. The contact received notification of NHTSA Campaign Number: 24V031000 (Structure); however, the part to do the recall repair was not yet available. The contact stated that the manufacturer had exceeded a reasonable amount of time for the recall repair. The manu... Read more

Incident date: Jan 13, 2025

Car driven off the lot 06/14/2025 On Sunday 07/06/25 (21 days from purchase) while driving home from a 30 minutes away from home trip with 3 young children with me, the car gave multiple alerts and service warnings. "Service Brake Assist" and "Service ECS" Lights / Symbols related to the following w... Read more

Incident date: Jun 17, 2025

While driving my 2015 Toyota Prius, the brake pedal became extremely stiff and hard to press. I was on the way to the dog park with my dog in the back seat when I had to press down very hard just to slow the car at a traffic light. It felt like I was stepping on a rock. The brakes barely engaged, an... Read more

Incident date: Jun 17, 2025

The contact owns a 2019 Jeep Cherokee. The contact stated while his wife was driving approximately 55 MPH, the vehicle lost motive power. The contact’s wife was able to pull off the roadway, but the vehicle failed to respond when shifted into drive(D) and depressing the accelerator pedal. The cont... Read more

Incident date: Dec 16, 2024

The contact owns a 2017 Land Rover Range Rover Evoque. The contact stated that while driving at an undisclosed speed through an intersection, another vehicle ran the red light, causing the contact's vehicle to collide head-on with the other vehicle's passenger side. The air bags did not deploy. The... Read more

Crash 1 injured

Incident date: Dec 16, 2024

I shared a common issue that many Toyota CH-r owners are having and not receiving compensation for it. Toyota Canada has been working with APA to advocate for extended warranty. Official forums and webpages have been created that exemplifies who tremendously widespread this issue has become. [XXX] ... Read more

Incident date: Apr 14, 2025

Wife was driving back home on I-280 around 60-65 mph back home when suddenly the back sunroof glass section POP and she started hearing small objects dragging. As soon as she was available to pull over to check it, she realize the whole back glass of the sunroof was cracked. She tried calling Toyo... Read more

Showing 50 of 324 complaints.

NHTSA Safety Ratings, 2018 GMC TERRAIN

2018 GMC Terrain SUV FWD Later Release

Category	Rating
Overall Rating	5 / 5 ★★★★★
Frontal Crash	5 / 5 ★★★★★
Frontal Crash, Driver	5 / 5 ★★★★★
Frontal Crash, Passenger	5 / 5 ★★★★★
Side Crash	5 / 5 ★★★★★
Side Crash, Driver	5 / 5 ★★★★★
Side Crash, Passenger	5 / 5 ★★★★★
Rollover	4 / 5 ★★★★☆
Rollover Risk	18.5%

Safety Technology

Feature	Status
Electronic Stability Control	Standard
Forward Collision Warning	Optional
Lane Departure Warning	Optional

Source: NHTSA 5-Star Safety Ratings Program. Ratings are based on crash tests conducted by the National Highway Traffic Safety Administration.

Technical Service Bulletins, 2018 GMC TERRAIN

1,767 manufacturer communications from 946 unique bulletins. TSBs describe known problems and recommended fixes from the manufacturer.

Most Affected Components

Component	Bulletins
350000 EQUIPMENT	287
110000 ELECTRICAL SYSTEM	191
060000 ENGINE AND ENGINE COOLING	152
355200 EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL	121
060000 ENGINE (PWS)	106
100000 POWER TRAIN	92
356000 EQUIPMENT ADAPTIVE/MOBILITY	73
160000 STRUCTURE	48

060000 ENGINE AND ENGINE COOLING

The informational bulletin advises the tech to use the glow plug bore cleaner to reduce the chance of soot building up on the glow plug causing a premature failure.

200000 WHEELS

This service bulletin provides information for dealers/technicians on Tire Radial Force Variation (RFV).

350000 EQUIPMENT

This warranty administration bulletin provides policy information on the requirements for 12V battery testing and warranty replacements.

110000 ELECTRICAL SYSTEM

This warranty administration bulletin provides policy information on the requirements for 12V battery testing and warranty replacements.

350000 EQUIPMENT

This bulletin updates the position of General Motors on refinishing aluminum wheels. GM has determined that wheel refinishing under warranty will no longer be performed.

200000 WHEELS

This bulletin updates the position of General Motors on refinishing aluminum wheels. GM has determined that wheel refinishing under warranty will no longer be performed.

110000 ELECTRICAL SYSTEM

This bulletin provides information for electrical ground repairs using new General Motors replacement fasteners with conductive finish.

110000 ELECTRICAL SYSTEM

This warranty administration bulletin provides policy information on the requirements for 12V battery testing and warranty replacements.

111000 ELECTRICAL SYSTEM:12V/24V/48V BATTERY

This warranty administration bulletin provides policy information on the requirements for 12V battery testing and warranty replacements.

350000 EQUIPMENT

This warranty administration bulletin provides policy information on the requirements for 12V battery testing and warranty replacements.

355200 EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL

This warranty administration bulletin provides policy information on the requirements for 12V battery testing and warranty replacements.

118000 ELECTRICAL SYSTEM:SOFTWARE

This warranty administration bulletin provides policy information on the requirements for 12V battery testing and warranty replacements.

355200 EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL

This service bulletin provides information on submitting quality Photos of Various Vehicle Concerns to the GM Technical Assistance Center (TAC).

280000 BACK OVER PREVENTION

This preliminary information discusses potential camera functional issues if the camera is not properly programmed.

160000 STRUCTURE

This technical bulletin provides repair information to correct a customer concern of an interior boom noise heard while driving low speeds in high gear.

100000 POWER TRAIN

This technical bulletin provides repair information to correct a customer concern of an interior boom noise heard while driving low speeds in high gear.

350000 EQUIPMENT

This preliminary information discusses a condition that may arise from the drivers window switch sending an errant message causing the vehicle to enter manual fob learn mode.

110000 ELECTRICAL SYSTEM

This preliminary information discusses a condition that may arise from the drivers window switch sending an errant message causing the vehicle to enter manual fob learn mode.

350000 EQUIPMENT

This service bulletin provides information on No Heated Seats or Heated Steering Wheel During Remote Start.

220000 SEATS

This service bulletin provides information on No Heated Seats or Heated Steering Wheel During Remote Start.

110000 ELECTRICAL SYSTEM

This service bulletin provides information on No Heated Seats or Heated Steering Wheel During Remote Start.

010000 STEERING

This service bulletin provides information on No Heated Seats or Heated Steering Wheel During Remote Start.

060000 ENGINE AND ENGINE COOLING

This technical bulletin advises of a new fuel injection cleaner kit used for decarbonizing the intake valves to correct conditions of rough idle, Crank no start, extended crank or misfire, MIL with DTCs, and explains how Top Tier fuels shou

350000 EQUIPMENT

This warranty administration bulletin provides policy information for GM courtesy transportation and roadside assistance programs.

350000 EQUIPMENT

This Warranty Administration bulletin provides information on Dealer Empowerment for Goodwill, Customer Enthusiasm and Policy (U.S. Only).

030000 BRAKES (PWS)

This Preliminary information communicates that when removing the fuel line jumper hose care should be taken to be sure the line is reinstalled correctly to avoid a no/low fuel pressure situation.

070000 FUEL SYSTEM, GASOLINE

This Preliminary information communicates that when removing the fuel line jumper hose care should be taken to be sure the line is reinstalled correctly to avoid a no/low fuel pressure situation.

355200 EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL

This service bulletin provides information on All hazmat parts being returned to the Warranty Parts Center (WPC) must be shipped using Central Transport. Hazardous materials should never be sent by air transportation to the WPC.

980000 UNKNOWN OR OTHER

This warranty administration bulletin provides information regarding the field action courtesy transportation policy.

060000 ENGINE AND ENGINE COOLING

This service bulletin provides service information to technicians on guidelines to replace Oil Cooler, Oil Cooler Lines and Oil Tank if the engine was replaced where large amounts of debris has flowed throughout the oiling system.

260000 FORWARD COLLISION AVOIDANCE

This Preliminary information communicates a "Forward Collision System Reduced" message displayed on the DIC when the Forward Automatic Braking has been set to the "Alert" setting. This is normal when the FAB has been set to "Alert".

060000 ENGINE AND ENGINE COOLING

This technical bulletin provides a procedure to replace the charge air cooler due to moisture getting inside of it and causing a malfunction indicator lamp illuminated with DTC P0300 and/or P0299/P2227.

110000 ELECTRICAL SYSTEM

160000 STRUCTURE

060000 ENGINE AND ENGINE COOLING

This bulletin provides information on Engine Concerns that could result from lack of scheduled maintenance, improper service or aftermarket calibrations.

070000 FUEL SYSTEM, GASOLINE

This service bulletin provides information on the cold start control system in DI engines to reduce cold start emissions and improve fuel economy.

063100 ENGINE AND ENGINE COOLING:EXHAUST SYSTEM:EMISSION CONTROL

This service bulletin provides information on the cold start control system in DI engines to reduce cold start emissions and improve fuel economy.

100000 POWER TRAIN

This Warranty Admin service bulletin provides guidelines for Dealers Not Required and for Dealers Required to Contact the PQC for engine or transmission assembly replacement and explains the PQC process, GWM Transaction submission, vehicle

060000 ENGINE AND ENGINE COOLING

353500 EQUIPMENT:ELECTRICAL:NAVIGATIONAL SYSTEM(GLOBAL POSITIONING SYSTEM)

This Preliminary information communicates to dealers of a known issue with failed map update

100000 POWER TRAIN

This service bulletin provides information on a normal characteristic of a transmission that will not shift into overdrive range during cold ambient temperatures.

160000 STRUCTURE

This preliminary informational (PI) bulletin provides information to dealership personnel which may be helpful when addressing underbody component corrosion with customers.

160000 STRUCTURE

This technical bulletin provides repair information to correct a customer concern of finding a water leak inside the interior of the vehicle.

110000 ELECTRICAL SYSTEM

This service bulletin provides a procedure to check for water intrusion at the door electrical connectors and repair the wiring if found the cause of customer concerns of Power Windows and/or Mirrors Inoperative, Power Seat Movement Inopera

356000 EQUIPMENT ADAPTIVE/MOBILITY

220000 SEATS

160000 STRUCTURE

350000 EQUIPMENT

This technical bulletin provides a procedure for air conditioning refrigerant desiccant replacement due to A/C Not Cooling or refrigerant loss.

138000 VISIBILITY:DEFROSTER/DEFOGGER/HVAC SYSTEM

This technical bulletin provides a procedure for air conditioning refrigerant desiccant replacement due to A/C Not Cooling or refrigerant loss.

284300 BACK OVER PREVENTION: SENSING SYSTEM: RADAR

This technical bulletin provides a procedure to add reflective butyl tape to the rear driver's side module to correct the radar reflection being detected and triggering the false alerts.

110000 ELECTRICAL SYSTEM

This technical bulletin provides a procedure to add reflective butyl tape to the rear driver's side module to correct the radar reflection being detected and triggering the false alerts.

355200 EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL

This bulletin provides information for use on a Product Assistance Claim (PAC), which is formerly known as a Product Allegation Resolution (PAR) claim.

355200 EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL

This Preliminary Information communication provides information to the technician about vibration complaints that are one of the most challenging complaints to accurately diagnose and repair. Technician will need to use Pico Oscilloscope Di

060000 ENGINE AND ENGINE COOLING

This PI bulletin advises the technician on the proper way to install the pistons in an engine.

100000 POWER TRAIN

This PI bulletin advises the technician on the proper way to install the pistons in an engine.

120000 EXTERIOR LIGHTING

This informational bulletin provides information for dealers/technicians on Headlamp, Tail Lamp, License Lamp or Fog/Driving Lamp Damage.

110000 ELECTRICAL SYSTEM

This preliminary information (PI) provides information om Service Programming System (SPS) Error Codes (E4398, E4399, E4403, M4404, M4413, M6954, M6955, E4414, E4423, E4491 or E6961).

251000 ELECTRONIC STABILITY CONTROL:AUTOMATIC (ASC)

This service bulletin provides a procedure to locate and repair the engine wiring harness to correct customer concerns of multiple electrical issues.

060000 ENGINE AND ENGINE COOLING

This service bulletin provides a procedure to locate and repair the engine wiring harness to correct customer concerns of multiple electrical issues.

100000 POWER TRAIN

This service bulletin provides a procedure to locate and repair the engine wiring harness to correct customer concerns of multiple electrical issues.

110000 ELECTRICAL SYSTEM

This service bulletin provides a procedure to locate and repair the engine wiring harness to correct customer concerns of multiple electrical issues.

030000 BRAKES (PWS)

This service bulletin provides a procedure to locate and repair the engine wiring harness to correct customer concerns of multiple electrical issues.

350000 EQUIPMENT

This Preliminary Information communication provides information to the technician about the use of J-35616-64B terminal test probe, replacement terminals, and terminated leads. The J-35616-64B is the latest test probe released for checking

980000 UNKNOWN OR OTHER

This Preliminary information communicates a GM part number for reflective high temperature heat or insulating tape when repairing wiring harnesses.

110220 ELECTRICAL SYSTEM:HAND HEATER:WIRING HARNESS

This Preliminary information communicates a GM part number for reflective high temperature heat or insulating tape when repairing wiring harnesses.

350000 EQUIPMENT

This service bulletin provides information on Concerns or Questions Regarding Installation of Dealer Installed Accessories.

355200 EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL

This service bulletin provides information on Concerns or Questions Regarding Installation of Dealer Installed Accessories.

350000 EQUIPMENT

This warranty administration bulletin provides policy information on the requirements for 12V battery testing and warranty replacements.

110000 ELECTRICAL SYSTEM

This warranty administration bulletin provides policy information on the requirements for 12V battery testing and warranty replacements.

060000 ENGINE AND ENGINE COOLING

This warranty administration bulletin provides policy information on the requirements for 12V battery testing and warranty replacements.

100000 POWER TRAIN

This service bulletin advises the tech that the rotational Clicking Noise Heard After Engine Shut Down may be normal characteristics of the vehicle.

110000 ELECTRICAL SYSTEM

This service bulletin advises the tech that the rotational Clicking Noise Heard After Engine Shut Down may be normal characteristics of the vehicle.

110000 ELECTRICAL SYSTEM

This technical bulletin provides repair information to correct a customer concern of Vehicle Will Not Lock and Unlock (Loss of Active Functions) Crank or Start (Loss of Passive Functions) with DTC P0513 Set.

350000 EQUIPMENT

This service bulletin provides repair information to correct a customer concern of No Crank, No Start, Quick Start/Stall, No FOB Detected, Key FOBs Inoperative, B3924 00, B3925 00, B3926 00, B3927 00, B3928 00 Set.

110000 ELECTRICAL SYSTEM

350000 EQUIPMENT

020000 SUSPENSION

This Preliminary Information communication provides information to the technician about vehicles that have had multiple repair attempts that are being performed on customer?s vehicles that exhibit vibration conditions without utilizing the

260000 FORWARD COLLISION AVOIDANCE

350000 EQUIPMENT

160000 STRUCTURE

060000 ENGINE AND ENGINE COOLING

010000 STEERING

This service bulletin provides a vibration analysis worksheet the technician can use in conjunction with the appropriate Vibration Analysis-Road testing procedure when diagnosing vibration concerns.

200000 WHEELS

This service bulletin provides a vibration analysis worksheet the technician can use in conjunction with the appropriate Vibration Analysis-Road testing procedure when diagnosing vibration concerns.

100000 POWER TRAIN

This service bulletin provides a vibration analysis worksheet the technician can use in conjunction with the appropriate Vibration Analysis-Road testing procedure when diagnosing vibration concerns.

020000 SUSPENSION

This service bulletin provides a vibration analysis worksheet the technician can use in conjunction with the appropriate Vibration Analysis-Road testing procedure when diagnosing vibration concerns.

060000 ENGINE AND ENGINE COOLING

This service bulletin provides a vibration analysis worksheet the technician can use in conjunction with the appropriate Vibration Analysis-Road testing procedure when diagnosing vibration concerns.

200000 WHEELS

This Warranty Administration bulletin is for information on General Motors New Vehicle Tire Warranty Program (U.S. Dealers Only).

110000 ELECTRICAL SYSTEM

This service bulletin provides repair information to correct a customer concern of OnStar Inoperative after Importing Vehicle from Canada to the United States.

350000 EQUIPMENT

This service bulletin provides repair information to correct a customer concern of OnStar Inoperative after Importing Vehicle from Canada to the United States.

355200 EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL

This service bulletin provides information on General Motors Dealership Critical Equipment Requirements and Recommendations.

060000 ENGINE AND ENGINE COOLING

This service bulletin provides guidelines and diagnostic/repair information to technicians regarding vehicle engine oil consumption.

200000 WHEELS

This service bulletin provides information about the Hunter wheel Road Force balancers that should be utilized for all repairs requiring balance and Road Force measurement.

355200 EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL

This Warranty Administration bulletin provides information on the Global Warranty Management (GWM) Warranty Parts Center (WPC) Parts Return Program.

190000 TIRES

This Warranty Administration bulletin is for information on General Motors New Vehicle Tire Warranty Program (U.S. Dealers Only).

200000 WHEELS

This Warranty Administration bulletin is for information on General Motors New Vehicle Tire Warranty Program (U.S. Dealers Only).

355200 EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL

This service bulletin provides information for dealers/technicians on When and How to Submit a Field Product Report (FPR) (U.S. and Canada Dealers Only).

355200 EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL

This service bulletin provides information for dealers on how to submit a product information report (PIR) (Canada Only).

138000 VISIBILITY:DEFROSTER/DEFOGGER/HVAC SYSTEM

This Preliminary Information communication provides information to the technician about vehicles that the Heater-Vent-Air Conditioning blows warm air. Before calling General Motors Technical Assistance Center technician will need to have hi

110000 ELECTRICAL SYSTEM

This Preliminary information communicates additional information on how a LIN bus operates and diagnostic tips when working on a LIN bus.

Showing 100 of 1,767 bulletins.

GMC TERRAIN - All Years Overview

Complete safety history for the GMC TERRAIN across all model years (2010, 2026).

40 Total Recalls

4,340 Total Complaints

0 Investigations

212 Reported Crashes

67 Reported Fires

5 Reported Deaths

GMC TERRAIN - Year by Year

Compare recalls and complaints across model years. Click any year to see full details.

Year	Recalls	Complaints
2026	1	36	View
2025	0	26	View
2024	1	74	View
2023	2	69	View
2022	2	70	View
2021	2	53	View
2020	2	295	View
2019	3	292	View
2018 (current)	5	324
2017	1	181	View
2016	2	182	View
2015	3	385	View
2014	2	385	View
2013	3	484	View
2012	4	500	View
2011	4	557	View
2010	3	427	View

Other GMC Models

Model	Recalls	Complaints
SIERRA 1500	233	10,607	View
YUKON	224	6,198	View
SIERRA 2500	169	2,217	View
SIERRA 3500	161	730	View
YUKON XL	157	2,899	View
SAVANA	142	448	View
SIERRA	133	4,904	View
ACADIA	84	7,520	View

Vehicle Safety

Consumer Safety

Infrastructure

Public Health

2018 GMC TERRAIN

Complaint Statistics

Top Reported Components

NHTSA Safety Ratings, 2018 GMC TERRAIN

Safety Technology

Technical Service Bulletins, 2018 GMC TERRAIN

Most Affected Components

GMC TERRAIN - All Years Overview

GMC TERRAIN - Year by Year

Other GMC Models