2018 GMC Terrain Technical Service Bulletins

1,345 technical service bulletins (TSBs) are on record for the 2018 GMC Terrain. TSBs are notes manufacturers send to dealers about repair procedures for issues seen in the field. They are not recalls and do not by themselves mean a vehicle has a fault.

• 10139085Nov 27, 2017Electrical system, Equipment. This informational bulletin provides information on Wireless Charging Module Diagnosis and cell phone compatibility.
• 10125134Nov 24, 2017Electrical system, Equipment. This preliminary information was created to communicate a software issue not allowing the HVAC to turn on when the vehicle is remote started. It functions correctly when started regularly. Engineering will release a calibration to fix this in the future.
• 10139095Nov 22, 2017Equipment. This bulletin describes the Dealer special tool loan program process.
• 10139089Nov 22, 2017Equipment, Transmission and drivetrain, Engine. This informational bulletin provides information to dealership personnel on automatic transmission shift and engine drivability concerns and/or MIL ON due to aftermarket oil bath air filter use.
• 10139136Nov 21, 2017Equipment. This informational bulletin provides direction for towing a vehicle with a car dolly.
• 10139118Nov 17, 2017Equipment. This informational bulletin provides a listing of the parts availability for coax repair procedures and what is needed to complete some repairs.
• 10139108Nov 17, 2017Visibility (wipers, defrost, mirrors). This informational bulletin provides information for assisting the customer in setting the position for the memory mirror and the reverse tilt
• 10139090Nov 17, 2017Engine, Electrical system. This technical bulletin provides repair information for repairing the IP to body harness connector to correct a customer concern for intermittent Malfunction Indicator Lamp (MIL) illuminated with Reduced Engine Power displayed and DTC P2138 set.
• 10125121Nov 17, 2017Equipment. This Preliminary information communicates to the technician, that they may be working on a concern of a Service Driver Assist System Message with B172E stored in history Do not replace any parts. Engineering is aware of the issue and a new control module is in development and will be available Q1 2018.
• 10139133Nov 16, 2017Electrical system. This Technical bulletin provides a correction for Wi-Fi Hotspots or Data Sharing Feature Not Working once Turned on.
• 10135154Nov 16, 2017Engine cooling. 17337 01 - Product Emission. General Motors has decided to conduct a Voluntary Emission Recall involving certain vehicles, equipped with a diesel engine. The engine control module in these vehicles may not properly diagnose a fault in the exhaust particulate matter sensor.
• 10139151Nov 15, 2017Electrical system, Equipment. This informational bulletin provides information on the fact that WMA files are not accepted by the specific radios.
• 10139150Nov 15, 2017Equipment. This technical bulletin provides a procedure to rework the radio control assembly to correct a condition of Gap Between Upper Dash Pad and Center Stack due to a fit issue.
• 10135151Nov 15, 2017Other or unknown, Body and structure. 17427 - Service Update. Certain vehicles equipped with a trailer package (RPO V92) may have a trailer turn signal and brake lamp that is inoperative on a connected trailer due to an incorrect calibration. Dealers are to reprogram the body control module.
• 10125117Nov 15, 2017Transmission and drivetrain. This Preliminary information communicates there may be a concern with trans SFL completion if attempting through TIS2WEB if trans is in park.
• 10139148Nov 13, 2017Equipment, Electrical system. This technical bulletin provides a procedure to replace the SD Card or the USB receptacle to correct a condition of Navigation Inoperative with SD Card Error Message Displayed due to a software issue.
• 10125111Nov 10, 2017Equipment. This Preliminary Information communication provides information to the technician about vehicles that after start up the radio display will be black for 30 seconds then turn white. Dealer should communicate to the customer that we apologize for this inconvenience and that General Motors is working on a solution for this concern.
• 10135146Nov 8, 2017Electrical system. 17328-02 - Customer Satisfaction ( Update Procedure Revised). Vehicles need to be reprogrammed with an updated software package. This new software package will provide changes to the climate control system, certain audio features and the in-vehicle navigation system so they continue to function properly. The changes will also prevent instances of intermittent system lock-up. OnStar will update vehicles remotely…
• 10125106Nov 7, 2017Electrical system. This Preliminary Information communication provides information to the technician about vehicle's odometer appears to be inaccurate relative to a known distance traveled. Technician should obtain a hand-held GPS unit to test the odometer. If a hand held GPS unit is not available, the only other option is to verify the miles traveled using a surveyor's wheel or a dynamometer.
• 10135137Nov 3, 2017Equipment, Other or unknown. 17396- Customer Satisfaction. Certain vehicles were supplied with a vehicle owner manual that overstates the intended un-braked trailer weight by up to 1000 lbs. Dealers should print and insert the revised owner manual page(s) included in this bulletin.
• 10139134Nov 2, 2017Visibility (wipers, defrost, mirrors). This technical bulletin provides a procedure to replace an affected belt molding that may not fit correctly due to being produced the wrong size with the newly designed part.
• 10191105Nov 1, 2017Electrical system, Exterior lighting. Condition Certain 2018 model year GMC Terrain vehicles equipped with a trailer package (RPO V92) may have a trailer turn signal and brake lamp that is inoperative on a connected trailer due to an incorrect calibration. Correction Dealers are to reprogram the body control module.
• 10191062Nov 1, 2017Electrical system, Equipment. Certain 2018 model year GMC Terrain vehicles were supplied with a vehicle owner manual that overstates the intended un-braked trailer weight by up to 1000 lbs. Correction Dealers should print and insert the revised owner manual page(s) included in this bulletin.
• 10191055Nov 1, 2017Equipment, Electrical system. All 2018 model year Cadillac ATS, ATS-V, CTS, CTS-V and GMC Terrain vehicles need to be reprogrammed with an updated software package. This new software package will provide changes to the climate control system, certain audio features and the in-vehicle navigation system so they continue to function properly. The changes will also prevent instances of intermittent system lock-up.
• 10191039Nov 1, 2017Transmission and drivetrain, Engine cooling. General Motors has decided to conduct a Voluntary Emission Recall involving certain 2016 model year Chevrolet Colorado, GMC Canyon; 2017 model year Chevrolet Express, GMC Savana; 2017-2018 model year Chevrolet Colorado, Cruze, Silverado HD, GMC Canyon, Sierra HD and 2018 model year Chevrolet Equinox, GMC Terrain vehicles, equipped with a diesel engine. The engine control module in these vehicles may not properly…
• 10191038Nov 1, 2017Transmission and drivetrain, Engine cooling. General Motors has decided to conduct a Voluntary Emission Recall involving certain 2016 model year Chevrolet Colorado, GMC Canyon; 2017 model year Chevrolet Express, GMC Savana; 2017-2018 model year Chevrolet Colorado, Cruze, Silverado HD, GMC Canyon, Sierra HD and 2018 model year Chevrolet Equinox, GMC Terrain vehicles, equipped with a diesel engine. The engine control module in these vehicles may not properly…
• 10135133Nov 1, 2017Electrical system, Engine cooling. 17337 - Emission Recall. General Motors has decided to conduct a Voluntary Emission Recall involving certain vehicles, equipped with a diesel engine. The engine control module in these vehicles may not properly diagnose a fault in the exhaust particulate matter sensor. Additionally, a subset of these vehicles, certain vehicles, may in rare instances exhibit a condition in which the engine surges up to 2,800 RPM…
• 10125096Nov 1, 2017Engine. This Preliminary Information communication advises the technician that the ECM part numbers 55501366, 55502052 and 55485591 will be placed on a parts restriction through the General Motors Technical Assistance Center. Dealer will need to contact General Motors Technical Assistance Center for further assistance.
• 10134633Oct 31, 2017Fuel system. This engineering informational bulletin is requesting information from the field on vehicles that have the condition of Engineering Information ? Malfunction Indicator Lamp (MIL) On DTCs P0171 Fuel Trim System Lean Bank 1 and/or P0174 Fuel Trim System Lean Bank 2.
• 10123287Oct 30, 2017Fuel system. This Preliminary information communicates that there is a condition on some 2018 Chevrolet Equinox where thefuel gauge does not read full after tank is filled and advises engineering is working on a field fix.
• 10134637Oct 27, 2017Equipment. This engineering information is requesting information from the field on vehicles that have the condition of Speaker Rattle, Speaker Crackle, Poor Sound Quality, Speaker Pop, or Speaker Distortion.
• 10134580Oct 26, 2017Engine cooling, Fuel system. This technical bulletin provides repair information to correct a customer concern of hearing a flutter or thump noise from rear of vehicle.
• 10134594Oct 25, 2017Equipment, Engine. This warranty administration bulletin provides dealership personnel with policy and procedure requirements for essential tools that include consumable parts (U.S. Only).
• 10134621Oct 24, 2017Equipment. This informational bulletin provides information for the IPC odometer programming method quick reference guide.
• 10123280Oct 24, 2017Forward collision avoidance. This Preliminary information communicatesa "Forward Collision System Reduced" message displayed on the DIC when theForward Automatic Braking has been set to the "Alert" setting. This is normal when theFAB has been set to "Alert".
• 10123271Oct 20, 2017Engine. This Preliminary information communicates the following to the dealer. If an engine oil leak has been isolated to the front crankshaft seal, check for misfires low engine compression and/or cylinder leakage readings. These issues could cause excessive positive crankcase pressure leading to engine oil leaks.
• 10134573Oct 19, 2017Transmission and drivetrain. This informational bulletin advised the technician not to do anything about the DTC set.
• 10134615Oct 18, 2017Engine cooling. This informational bulletin explains a normal condition caused by exhaust soot blowing by the VGT pivot seal.
• 10134612Oct 17, 2017Back-over prevention (rear camera). This informational bulletin provides information to the customer about the rear camera guidelines not being present at times due to the VBM taking over the rear camera option.
• 10123262Oct 17, 2017Fuel system, Electrical system. This Preliminary information communicates an issue inside the fuel tank where the fuel vent hose may be disconnected from the fuel pump module assembly and recommended repair procedures.
• 10134611Oct 16, 2017Electrical system, Equipment. This informational bulletin provides information for the customer to pair their phone in order for the push to talk button on the steering wheel control to work.
• 10123256Oct 16, 2017Transmission and drivetrain, Electrical system. This Preliminary Information communication advises the technician that the Product Quality Center has a part restriction for the T87A Transmission Control Module. The dealer technician is advised to call the GM Product Quality Center for further assistance.
• 10123252Oct 13, 2017Equipment, Electrical system. This Preliminary Information communication provides information to the technician about vehicles that have an intermittent no crank, no start, or start stall concern with the security light coming on. Technician may find Diagnostic Trouble Codes B3055, B3060, and/or B3935. Technician should not replace any parts for this concern. If unable to duplicate the concern ask if the customer uses any Radio Frequency…
• 10123244Oct 13, 2017Lane departure, Electrical system. This Preliminary Information communicates to thetechnician that some customers may comment on the operation of their haptic seat during a Lane Keep Assist event. Lane Keep Assist works differently than Lane Departure Warning. The Lane Keep Assist icon is solid amber, Forward Camera Module is actively commanding a torque to Electronic Power Steering. This means that the driver should also feel some feedback from the…
• 10123243Oct 12, 2017Electrical system. This Preliminary information communicates to the technician, that they may be working on a concern of a Service Driver Assist System Message with B172E stored in history Do not replace any parts. Engineering is aware of the issue and a new control module is in development and will be available Q1 2019.
• 10134593Oct 11, 2017Equipment. This informational bulletin provides technicians with updated information to help identify the differences between what is considered a fluid leak, and what is considered seepage.
• 10134578Oct 11, 2017Engine cooling. This informational bulletin explains a normal small exhaust leak and residual build up on the EGR housing.
• 10123238Oct 11, 2017Electrical system. This Preliminary information communicates information that GM is working on software to correct rear camera screens too bright at night and not to make any repairs.
• 10123227Oct 5, 2017Electrical system. This Preliminary Information communication provides information to the technician about vehicles that have a Diagnostic Trouble Code B101D-37 history in the Vehicle Communication Interface Module or telematics communication interface control module. Engineering has determined that this code will only display in history on the scan tool and will not cause issues with OnStar system operation.
• 10134574Oct 4, 2017Transmission and drivetrain. This informational bulletin advised the technician not to do anything about the DTC set.

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