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.

• 10137720Aug 14, 2017Transmission and drivetrain. This Preliminary information communicates that the valve body assembly for any vehicle equipped with a 9T50/60 transmission assembly equipped with the ETRS will require engineering review for possible complete transmission assembly replacement if diagnoses leads to be a valve body or ETRSconcern.
• 10140374Aug 9, 2017Equipment. This informational bulletin provides information for the service parts identification (SPID) label replacement.
• 10137705Aug 9, 2017Equipment. This Preliminary Information communication provides information to the technician about customers that may complain of various concerns when using Bluetooth components. Technician should use the Preliminary Information to gather information from the customer on their Bluetooth device and the concern they are having before calling General Motors Technical Assistance Center.
• 10140380Aug 7, 2017Equipment. This New Model Feature Bulletin provides General Information, Training Courses, Special Tools Information and other Topics to help the Service and Sales Personnel Become Familiar with the Features of the 2018 GMC Terrain.
• 10140296Aug 7, 2017Equipment. This warranty administration bulletin provide policy information on required operating procedures.
• 10137703Aug 4, 2017Engine cooling, Engine. This Preliminary information communicates the potential for a flashing MIL and DTC p0300 to occur in areas of high amounts of rain fall or humidity. This is due to the moisture that can accumulate in the charge air cooler from the rapid cooling of the internal air and be ingested into the engine.
• 10140297Aug 2, 2017Equipment. This warranty administration bulletin provide policy information on warranty and policy exchange program for electronic products for U.S. and Canada dealers only.
• 10140378Aug 1, 2017Equipment. This informational bulletin provides information for Wi-Fi Hotspots or Data Sharing Feature Not Working once Turned on.
• 10126081Jul 31, 2017Equipment. This informational bulletin explains the Road Force balancers and what they can do for customer concerns.
• 10126115Jul 25, 2017Engine cooling. 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.
• 10126113Jul 25, 2017Electrical system. This informational bulletin provides information on Information on How to Prevent Inadvertent Vehicle Starting from Key Fob or OnStar Mobile Application and where to locate the information for future use.
• 10126065Jul 25, 2017Equipment. This warranty administration bulletin provide policy information on required operating procedures.
• 10126111Jul 24, 2017Electrical system. This informational bulletin provides to the tech the new version of SPS that will prompt warnings when trying to reprogram modules that have been already reprogrammed.
• 10126085Jul 21, 2017Body and structure. This informational bulletin provides information for dealers/technicians on addressing a customer concern of the appearance of a liftgate actuator leak.
• 10126102Jul 17, 2017Body and structure. This technical bulletin provides repair information to correct a customer concern of power liftgate stops when opening and/or will not close from open position, technicians may find DTC B153E or B396A set.
• 10126100Jul 17, 2017Wheels. This informational bulletin provides information on mcgard wheel locks and if the key ever fractures that they will replace it via the website provided.
• 10114073Jul 13, 2017Electrical system, Equipment. This Preliminary Information communication provides information to the technician that when scanning a vehicle for Diagnostic Trouble Codes, may find Diagnostic Trouble Codes that apply to components that the vehicle is not equipped with, current in the radio. Technician may clear the Diagnostic Trouble Code but it will return. Technician should not replace the radio or any other components for this concern.
• 10118256Jun 12, 2017Electrical system. This Preliminary Information communication provides information to the technician on the programming and activation of the OnStar system. For many 2008 and prior model year GM vehicles, the programming is performed using the Tech 2 and the activation is initiated by a Service Programming System.
• 10137665May 23, 2017Equipment. This informational bulletin explains the Road Force balancers and what they can do for customer concerns.
• 10137607May 23, 2017Electrical system. This technical bulletin advises the technician to rest the MIL and diagnose additional DTCs for why the code is setting and disabling the start/stop system.
• 10137600May 22, 2017Wheels. This informational bulletin provides information on Chemical Staining, Pitting, Corrosion and/or Spotted Appearance of Chromed Aluminum Wheels.
• 10137680May 19, 2017Brakes. This preliminary informational bulletin provides information regarding the normal characteristic of instrument panel red brake light intermittently comes on.
• 10137601May 17, 2017Engine. This informational bulletin advises the possible issues that may occur using a scotch brite pad or highly abrasive disk on engine surfaces.
• 10137605May 15, 2017Equipment. This informational bulletin provides information on General Motors Dealership Critical Equipment Requirements and Recommendations.
• 10137656May 11, 2017Equipment. This technical bulletin provides a procedure to remove the IP compartment and add dielectric grease to the hinges.
• 10137640May 10, 2017Transmission and drivetrain. This warranty administration bulletin provide policy information for automatic transmission Oil Cooler Flush and flow test.
• 10137635May 10, 2017Equipment, Fuel system. This informational bulletin advises of a new fuel injection kit used for decarbonizing the intake valves, and explains how toptier fuels should be used to reduce carbon build up.
• 10137649May 4, 2017Body and structure. This informational bulletin provides information and operating tips for the hands free lift gate.
• 10137602May 4, 2017Equipment. This informational bulletin provides the dealership with how to prep a vehicle for delivery to the customer to aid in higher CSi scores.
• 10137634May 2, 2017Engine, Equipment. This informational bulletin explains the need to change the oil used in the LFV, LE2 engines, to a dexos 1 full synthetic to avoid piston damage.
• 10137603May 2, 2017Equipment. This warranty administration bulletin provide policy information on required operating procedures.
• 10138086Mar 29, 2017Suspension. This informational bulletin provides information on Driveline Clunk Noise and what is acceptable and what is considered normal operations.
• 10138087Mar 17, 2017Steering. This preliminary information bulletin provides information for diagnosing a power steering fluid leak at the fluid reservoir.
• 10138060Mar 15, 2017Equipment. This warranty administration bulletin provides policy information with the field action courtesy transportation policy.
• 10138025Mar 13, 2017Steering. This technical bulletin provides a procedure inspecting for excess grease or Sealant on the Exterior of the steering gear due to seeing grease or sealant on certain locations on the gear.
• 10138054Mar 10, 2017Electrical system. This informational bulletin provides information on On rare occasions, a security code input message with SPS error code E5659, M5304, and/or M5530 may be displayed in TIS2web when the technician is programming any module. If this concern is encountered, the technician should start by ensuring that the module being programmed is not a used module and that the VIN matches on VIN plate, TIS2web programming screen…
• 10138053Mar 9, 2017Transmission and drivetrain. This warranty administration bulletin provide policy information for automatic transmission Oil Cooler Flush and flow test.
• 10138014Mar 7, 2017Equipment. This information bulletin explains the labor operation numbers used for submitting warranty claims and how to setup, and reprogram modules.
• 10116589Feb 28, 2017Equipment. This informational bulletin provides information for dealers how to submit a product information report.
• 10116605Feb 21, 2017Transmission and drivetrain. This Bulletin provides guidelines for Dealers required to contact the PQC for engine or transmission assembly replacement and explains the PQC process, GWM Transaction submission, vehicle service record retention and proper handling of assembly returns.
• 10116585Feb 16, 2017Equipment. This informational bulletin provides information for dealers/technicians on when and how to submit a field product report.
• 10116584Feb 13, 2017Equipment. This bulletin contains information for the new tires that the vehicle is equipped with and that they are covered by General Motors against defects in material or workmanship under the New Vehicle Warranty (Base Warranty Coverage). For vehicles within this warranty period, defective tires will be replaced on a pro rata adjustment basis according to the published distance-based schedule.
• 10116540Jan 26, 2017Equipment. This warranty administration bulletin provides policy information on Causal Part requirements for transactions submitted to GM for payment.
• 10116537Jan 19, 2017Tires. This technical bulletin provides a procedure on how to clean and resurface wheel bead seats. for vehicles that have the condition of Tire Slowly Goes Flat, Tire Air Loss, Low Tire Pressure Warning Light Illuminated, Aluminum Wheel Bead Seat Corrosion (Clean and Resurface Wheel Bead Seat)
• 10135164Feb 19, 2016Exterior lighting, Electrical system. 18036 - Service Update. Certain vehicles without an auto high beam option (RPO TQ5) may have been assembled with the incorrect high beam turn signal multifunction switch (TMFS). When customers press the auto high beam button on the high beam TMFS switch nothing will happen. High beams will operate if the customer push/pulls the TMFS. Dealers are to replace the TMFS, and inform the customer that their vehicle is not…

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