2012 GMC Terrain Technical Service Bulletins

1,841 technical service bulletins (TSBs) are on record for the 2012 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.

• 10094598Jun 15, 2016Equipment, Body and structure. This preliminary informational bulletin provides a procedure for applying seam sealer to the outer floor panels to correct a concern regarding a wet floor or carpet.
• 10081022Jun 14, 2016Electrical system. This preliminary information communication advises the technician that ,when testing any circuit for open or resistance, it is imperative that all related terminal pin fit and tension be checked when the test steps require disconnection of the connector or component, prior to any component replacement. Always use the recommended terminal test tool during these tests.
• 10089247Jun 10, 2016Equipment. This informational bulletin provides information on the proper use of floor mats.
• 10080685Jun 8, 2016Transmission and drivetrain, Engine. This preliminary information communication provides information to the technician on the steps to diagnose and repair vehicles that have a resonance type vibration occurs between 40 to 60 mph. In most cases the engine must be under a slight load such as a/c compressor engagement, light throttle, and in 6th gear torque converter clutch applied. Technician will relax the engine and transmission mounts, then the…
• 10089242Jun 1, 2016Equipment, Body and structure. This informational bulletin updates the part information of a insulator service part for prevention of liftgate rust/corrosion at center applique.
• 10114105May 31, 2016Engine, Electrical system. This informational bulletin provides information on identifying non-GM (aftermarket) engine calibrations for gasoline engines using Tech 2 or GDS 2.
• 10078925May 31, 2016Engine. This preliminary information communication provides information to the technician regarding vehicles equipped with engine regular production option code lea, lcv, and lkw may have a service engine soon lamp with diagnostic trouble code p015a set. If the service information for diagnostic instruction for diagnostic trouble code p015a was completed inspect the engine oil level for being overfilled.
• 10114101May 25, 2016Wheels. This informational bulletin updates General Motor's position on refinishing aluminum wheels. GM does not endorse any repairs that involve welding, bending, straightening or re-machining. Only cosmetic refinishing of the wheel's coatings, using recommended procedures, is allowed.
• 10078920May 24, 2016Engine, Electrical system. This preliminary information communication provides information to the technician regarding vehicles equipped with engine regular production option code lea, lcv, and lkw may have a service engine soon lamp with diagnostic trouble code p015a set. If the service information for diagnostic instruction for diagnostic trouble code p015a was completed inspect the engine oil level for being overfilled.
• 10118547May 20, 2016Tires. This informational bulletin provides information on the temporary tire flat spotting condition.
• 10114107May 20, 2016Electrical system. This informational bulletin provides information on service programming system (SPS) errors.
• 10078889May 18, 2016Fuel system. This preliminary information communication provides information to the technicians for diagnosing and repairing vehicles that have an issue with a pop noise from the fuel tank area after a cold start or evaporative emissions system purge. Technician will be able to use global diagnostic system 2 to duplicate the concern by commanding a purge and seal on the evaporative emissions system. Replacement of the auxiliary…
• 10118546May 16, 2016Equipment. This informational bulletin provides information on a new U.S. dealer special tool loan program.
• 10118545May 16, 2016Electrical system, Equipment. This informational bulletin provides warranty policy information on revised wiring repair labor operations and required additional information.
• 10134545May 13, 2016Electrical system. This informational bulletin provides warranty information on accessory power outlet and trailer lighting fuse replacement.
• 10078874May 10, 2016Equipment. This preliminary information communication advises the technician that a noise or a vibration in the vehicle that seems to be abnormal may not have been there when the vehicle was purchased. Technician should look for non - general motors aftermarket accessories installed on the vehicle that can cause these issues.
• 10134538May 9, 2016Visibility (wipers, defrost, mirrors). This technical bulletin provides a procedure to replace the wiper transmission and wiper motor to correct a customer concern that the windshield wipers are inoperative caused by to the wiper transmission linkage separating as a result of corrosion at the ball socket joints.
• 10134536May 6, 2016Equipment. This warranty administration bulletin provides information on GM?s policy on performing GM covered vehicle services and maintenance on vehicles originating/sold in Canada.
• 10114113May 5, 2016Engine cooling. This informational bulletin provides information on black smoke and rough idle on cold start.
• 10081340May 5, 2016Body and structure. This technical bulletin provides a procedure to inspect all four of the lift gate mounting brackets and replace brackets if necessary to correct a customer concern that after opening the power lift gate, it will not stay in the full open position and may drift down a few inches before coming to a rest caused by to an incorrect ball stud strut bracket being installed during assembly.
• 10081300May 4, 2016Body and structure. This informational bulletin annouces the availability of a insulator service part for prevention of liftgate rust/corrosion at center applique.
• 10078571May 1, 2016Equipment. This informational bulletin provide information on the product quality center (pqc) assembly replacement process.
• 10078569May 1, 2016Fuel system, Other or unknown. This informational bulletin provides information on vehicles designed to operate on gaseous fuels.
• 10083898Apr 27, 2016Equipment, Electrical system. This preliminary information communication advises the technician if unable to place an onstar call in the ignition on mode after the onstar canada upgrade, to contact the gm technical assistance center onstar group for further assistance.
• 10083513Apr 27, 2016Equipment. This preliminary information communication advises the technician on the steps to diagnose and repair the concern of receiving frequent "off route" messages while following turn by turn (tbt) route navigation. The technician is provided instructions for resetting the vehicle communication interface module for this concern.
• 10078745Apr 27, 2016Equipment. This preliminary information communication advises the technician on the steps to diagnose and repair the concern of receiving frequent "off route" messages while following turn by turn (tbt) route navigation. The technician is provided instructions for resetting the vehicle communication interface module for this concern.
• 10083781Apr 22, 2016Electrical system. This preliminary information communication advises the technician on the steps to diagnose the concern, and the steps to repair the concern of the vehicle cranks but does not start. The technician is to inspect for a sheared cam pin in the engine.
• 10083509Apr 21, 2016Equipment. This preliminary information communication advises the technician on the steps to diagnose and repair the concern. The vehicle's xm radio only has xm preveiw channels.
• 10083482Apr 21, 2016Equipment. This preliminary information communication advises the technician to diagnose the concern and the steps to repair the concern. The vehicle's xm travel link may be inopertive.
• 10078522Apr 20, 2016Equipment. "this technical bulletin provides a procedure to contact onstar for hard mute request to correct a customer concern when the radio is on, it does not mute enough when the onstar® turn-by-turn navigation directions are announced due to customer improperly setting the radio volume high enough when the turn-by-turn navigation messages are played. "
• 10078520Apr 20, 2016Electrical system. This informational bulletin provides information that may be useful on diagnosing batteries that have set for a long period of time and/or set in cold weather climates and testing those batteries.
• 10083884Apr 19, 2016Equipment. This preliminary information communication advises the technician on the steps for diagnosing the concern. The vehicle may be unable to connect to onstar using the white, blue or red onstar buttons.
• 10083484Apr 19, 2016Electrical system. This preliminary information communication provides information to help the dealership technicians perform a parasitic drain test for the onstar module. When performing battery parasitic drain test, there may be some confusion as to what the normal power consumption reading should be from the onstar system.
• 10078735Apr 19, 2016Electrical system. This preliminary information communication provides information to help the dealership technicians perform a parasitic drain test for the onstar module. When performing battery parasitic drain test, there may be some confusion as to what the normal power consumption reading should be from the onstar system.
• 10078506Apr 18, 2016Electrical system. This informational bulletin provides warranty information on using the service programming system (sps) for programming control modules
• 10078504Apr 18, 2016Engine. This informational bulletin provides information internal engine noise or damage after oil filter replacement
• 10078502Apr 15, 2016Equipment. This warranty administration bulletin provides information on gm’s policy on performing gm covered vehicle services and maintenance on vehicles originating/sold in canada.
• 10083851Apr 14, 2016Engine. This preliminary information communication advises the technician on the steps to diagnosing the concern. The vehicle may have a service engine soon light on or reduced engine power message on the diver information center.
• 10078679Apr 14, 2016Engine. This preliminary information communication advises the technician on the steps to diagnosing the concern. The vehicle may have a service engine soon light on or reduced engine power message on the diver information center.
• 10078483Apr 13, 2016Steering. This preliminary information bulletin provides a procedure to replace certain components to correct a customer concern of a steering vibration, felt through the steering wheel and vehicle structure, combined with a moan type noise due to engine firing pulsations being transmitted into the steering system.
• 10078481Apr 12, 2016Equipment. This informational bulletin provides information on the purpose of magnetic drain plugs.
• 10078472Apr 12, 2016Visibility (wipers, defrost, mirrors). This informational bulletin provides information on a normal condition on tempered glass of spots showing on the rear and side windows when the vehicle is in the sunlight.
• 10083900Apr 8, 2016Equipment, Electrical system. This preliminary information communication advises the technician, if unable to place an onstar call in the ignition on mode after the onstar canada upgrade to contact the gm technical assistance center onstar group for further assistance.
• 10078435Apr 7, 2016Equipment, Body and structure. This preliminary informational bulletin provides information that may be helpful when addressing underbody component corrosion with customers.
• 10083512Apr 5, 2016Visibility (wipers, defrost, mirrors), Equipment. This preliminary information communication advises the technician the steps on diagnosing the concern. Vehicle's sunroof operation intermittent, bind, noise, auto-reverse, and/or water leaks.
• 10078604Apr 5, 2016Electrical system, Body and structure, Visibility (wipers, defrost, mirrors). This preliminary information communication advises the technician the steps on diagnosing the concern. Vehicle's sunroof operation intermittent, bind, noise, auto-reverse, and/or water leaks.
• 10078434Apr 1, 2016Transmission and drivetrain. This informational bulletin provide information on the operating characteristics of a manual transmission.
• 10078430Apr 1, 2016Steering. "this technical bulletin provides a procedure to inspect the steering gear for a normal condition of grease or sealant on exterior case of gear due to the manufacturing process."
• 10078423Apr 1, 2016Body and structure. This informational bulletin annouces the availability of a insulator service part for prevention of liftgate rust/corrosion at center applique.
• 10113973Mar 31, 2016Electrical system. This Preliminary Information communication provides information to the technician about vehicles that have a Diagnostic Trouble Code B101D stored in Telematics Communication Interface Control Module. Technician will check Global Warranty Management system for customer satisfaction program 15086 status. If the status of the customer satisfaction program 15086 was not completed follow the steps to get the Telematics…

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