2012 Buick Lacrosse Technical Service Bulletins

1,830 technical service bulletins (TSBs) are on record for the 2012 Buick Lacrosse. 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.

• 10089253Jun 17, 2016Seat belts. This preliminary informational bulletin provides a procedure to reposition the front seat belt latch plate for concerns regarding the seat belt webbing or latch plate coming twisted.
• 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.
• 10080687Jun 10, 2016Electrical system. This preliminary information communication advises the technician eassist drive motor generator battery module parts restriction has ended. To order the eassist drive motor generator battery section dealer will need to call the battery service center.
• 10089201Jun 8, 2016Equipment. This warranty administration bulletin provides policy information on using gm service policies and procedure manual that represent key gm requirements for service operations.
• 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.
• 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.
• 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.
• 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.
• 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.
• 10078872May 4, 2016Body and structure. This preliminary information communication provides the technician with the steps to diagnose and repair the concern of mildew odor or water on front floor on either side of the vehicle. Technician will gain access to the front wheelhouse of the affected side. The front wheel house flange may have a void in the sealer causing water to leak through and accumulate on the floor or wet carpet will be found.
• 10078862May 3, 2016Electrical system. This preliminary information communication advises the technician that the eassist drive motor generator battery section are no longer on restriction and does not require general motors technical assistance center case number.
• 10078571May 1, 2016Equipment. This informational bulletin provide information on the product quality center (pqc) assembly replacement process.
• 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.
• 10078560Apr 25, 2016Steering. This preliminary information bulletin provides a procedure to inspect and replace the steering column seal to correct a customer concern on a rubber squeak type noise when turning the steering wheel due to the seal for the intermediate shaft, located at the front of dash, rubbing on the rotating intermediate steering shaft.
• 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.
• 10078507Apr 18, 2016Electrical system, Equipment. This warranty administration bulletin provide policy information on using the el-50313 midtronics gr8 battery tester/charger for diagnosing battery replacements and maintaining batteries on new vehicles in dealer inventory.
• 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.
• 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."
• 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…
• 10113966Mar 30, 2016Electrical system. This Preliminary Information communication provides information to the technician some vehicles may have a drive motor generator, battery control module and cooling fan may become inoperative due to low system voltage. There may have been a charging system message, battery warning lamp or service hybrid system message displayed and may have Diagnostic Trouble Code P0C32 and or P0A7E.
• 10112831Mar 30, 2016Wheels. This informational bulletin provides information on chemical staining, pitting, and corrosion on wheels and the proper cleaners to use to fix the conditions due to multiple causes.
• 10112829Mar 29, 2016Equipment. This preliminary informational bulletin provides information on GM is implementing a new service strategy that uses a set of universal coaxial repair kits to service vehicles. This only applies to cable used for high frequency signals, such as cellular (OnStar®), satellite radio (XM) and GPS (navigation). The kits do NOT apply to the AM/FM cables.
• 10112821Mar 24, 2016Electrical system. This preliminary informational bulletin provides information on GM Accessory Remote start not working with onstars remotelink phone applications
• 10113954Mar 22, 2016Fuel system. This Preliminary Information communication provides information to the technician with the steps to diagnose and repair vehicles that may have Service Engine Soon lamp or reduced engine power message came on and was cleared after cycling the key. Also technician may find a P228C set as current or history, and a prior history of High Pressure Fuel Pump replacement, and the customer has been using E85 fuel.
• 10113948Mar 21, 2016Equipment. This Preliminary Information communication provides information to the technician about iPhones will not always autoconnect through Bluetooth to the vehicle. If the vehicle has more than one device listed in the Bluetooth device list, and the last device used was an Apple product, the Apple products will not autoconnect. The system will connect to one of the other devices instead. This concern is usually noticed…

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