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.

• 10112923Mar 19, 2013Suspension, Engine cooling. This Preliminary Information communication provides the technician with the steps to diagnose and repair a vehicle with a broken, noisy, worn or misaligned Drive Motor Generator belt resulting in a no charge concern. Dealer will follow the instructions to replace the belt if broken and use a laser belt alignment tool to correctly align the new belt. Inspect the drive belt tensioner strut assembly to ensure that it…
• 10112921Mar 19, 2013Brakes, Electrical system. This Preliminary Information communication provides information to the technician on how to diagnose and repair vehicles that may have the Antilock Braking System, Service Traction Control System, and/or Service Stabilitrak lights are on. The Electronic Brake Control Module may have one or more of the following Diagnostic Trouble Codes C0035-C0050 with specifically symptom 18, 5A, or 0F. Technician will gain access…
• 10134652Mar 11, 2013Equipment. This informational bulletin provides information on fix it right for first time issues.
• 10134650Mar 7, 2013Engine. This informational bulletin provides information for installing a camshaft timing chain kit on the high feature V6.
• 10112898Mar 7, 2013Engine cooling. This Preliminary Information communication provides information to the technician about vehicles that have a Service Engine Soon and may also have an oil or coolant leak. Technician may find coolant or oil in a spark plug tube. If the Spark Plug Tube is leaking and it is determined that the oil or coolant is not coming from a leak above the spark plug then replace the cylinder Head, spark plug and coil.
• 10134647Mar 5, 2013Engine cooling. This informational bulletin provides information for installing a camshaft timing chain kit on the high feature V6.
• 10134640Mar 4, 2013Wheels. This informational bulletin provides information on the appearance of chromed aluminum wheels due to chemical staining, pitting corrosion and/or spotted.
• 10112888Mar 4, 2013Electrical system. This Preliminary Information communication advises the technician that the Drive Motor Generator Battery Module and Drive Motor Generator Battery Sections for the 2012 - 2013 Buick LaCrosse, Buick Regal, and 2012 - 2013 Chevrolet Malibu ECO with eAssist are being placed on restriction through the General Motors Technical Assistance Center. Dealer will need to contact General Motors Technical Assistance Center for…
• 10254207Mar 1, 2013Engine cooling, Electrical system. No Crank/No Start, Dead Battery Due to Parasitic Drain/Discharge.
• 10247692Mar 1, 2013Equipment, Electrical system. Diagnostic Tip - Unable to Learn RKE Transmitters.
• 10246939Mar 1, 2013Electrical system. eAssist Generator Control And Battery Module Exchange Process And Order Instructions.
• 10246911Mar 1, 2013Back-over prevention (rear camera), Wheels. EBCM Wheel Speed Sensor Diagnostic Aid for ABS Message
• 10245804Mar 1, 2013Equipment. Aftermarket ALDL or DLC Interface Devices Causing Multiple Issues
• 10245794Mar 1, 2013Equipment. Information on High Feature V6 Timing Chain Kits and Chain Guide Replacements, DTCs P0008, P0009, P0016, P0017, P0018 and/or P0019
• 10245793Mar 1, 2013Equipment. Information on High Feature V6 Timing Chain Kits and Chain Guide Replacements, DTCs P0008, P0009, P0016, P0017, P0018 and/or P0019
• 10245331Mar 1, 2013Equipment. Diagnostic Tip - Unable to Learn RKE Transmitters.
• 10073575Mar 1, 2013Electrical system. Summary to be provided on a future date.
• 10063399Mar 1, 2013Engine cooling. Summary to be provided on a future date.
• 10063239Mar 1, 2013Engine. Summary to be provided on a future date.
• 10044385Mar 1, 2013Electrical system, Engine cooling. Buick/chevrolet: on certain eassist vehicles, belt for the drive motor generator may be noisy, broken, misaligned or worn, resulting in a no charge concern with the message, battery saver illuminated. *pe updated on 5/9/2013.
• 10112885Feb 26, 2013Equipment. 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.
• 10112881Feb 26, 2013Electrical system, Engine. This Preliminary Information communication provides information to the technician about vehicles with a Service Engine Soon Malfunction Indicator Lamp on. Technician may find Diagnostic Trouble Codes P011, P0014, P0021, and or P0024. During inspection if no other drivability concerns found inspect the engine unit number sticker for an (A) before the sequence number.
• 10114124Feb 13, 2013Electrical system. 12238D - Service Update (revised part numbers & instructions). The generator control module (GCM) may not function properly, resulting in the gradual loss of battery charge, illumination of the MIL, and eventual engine stall or no start condition. Dealers are to inspect and replace, if necessary, the GCM.
• 10112859Feb 13, 2013Exterior lighting, Electrical system. This Preliminary Information communication provides information to the technician on the steps to diagnose and repair vehicles that may have a Service Charging System, Battery Saver message Or Malfunction Indicator Lamp on, and/or charging system inoperative. Technician will use Global Diagnostic System 2 and clear the Diagnostic Trouble Codes in the Hybrid Powertrain Control Module and the Battery Energy Control…
• 10112858Feb 13, 2013Engine cooling, Electrical system. This Preliminary Information communication provides information to the technician about vehicles that have a Service Engine Soon and may also have an oil or coolant leak. Technician may find coolant or oil in a spark plug tube. If the Spark Plug Tube is leaking and it is determined that the oil or coolant is not coming from a leak above the spark plug then replace the cylinder Head, spark plug and coil.
• 10112857Feb 13, 2013Electrical 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.
• 10060011Feb 13, 2013Electrical system. Summary to be provided on a future date.
• 10112856Feb 12, 2013Engine cooling. This Preliminary Information communication provides information to the technician about vehicles that may have an engine oil leak that appeared as they were driving the vehicle in extremely cold ambient temperatures. The technician may find the oil leak is coming from the rear main seal. Technician will need to check for proper thermostat operation by following thermostat Diagnosis as outlined in Service…
• 10112853Feb 11, 2013Brakes. This Preliminary Information communication provides information to the technician about vehicles that may have intermittent ratchet, grind, or ABS pump motor noises heard from the front of the vehicle when maneuvering through banked turns, usually between 20 - 30 mph. Technician will need to update the Electronic Brake Control Module using Service Programming System and Tis-2-Web.
• 10254235Feb 1, 2013Engine cooling. Loud Rattle Noise on Startup, Rattle Noise Stops in 3 Seconds or Less.
• 10254234Feb 1, 2013Engine cooling. Loud Rattle Noise on Startup, Rattle Noise Stops in 3 Seconds or Less.
• 10253612Feb 1, 2013Transmission and drivetrain. Service Rear Axle Message Displayed on Driver Information Center.
• 10245861Feb 1, 2013Electrical system. Loss of Battery Charge ? Inspect Generator Control Module
• 10073167Feb 1, 2013Equipment. Summary to be provided on a future date.
• 10073153Feb 1, 2013Brakes. Summary to be provided on a future date.
• 10070868Feb 1, 2013Transmission and drivetrain. Summary to be provided on a future date.
• 10070859Feb 1, 2013Steering. Summary to be provided on a future date.
• 10070838Feb 1, 2013Electrical system, Engine. Summary to be provided on a future date.
• 10070837Feb 1, 2013Electrical system, Engine. Summary to be provided on a future date.
• 10069907Feb 1, 2013Electrical system. Summary to be provided on a future date.
• 10063411Feb 1, 2013Electrical system. Summary to be provided on a future date.
• 10063398Feb 1, 2013Electrical system. Summary to be provided on a future date.
• 10051945Feb 1, 2013Transmission and drivetrain. Cadillac/buick: on driver information center (dic), service rear axle message will appear and requires an update calibration to rear differential clutch control module (ccm). Models 2010-2012 lacrosse, srx.
• 10051909Feb 1, 2013Electronic stability control, Brakes. Buick: while driving at normal speeds (20-30), maneuvering banked turns, an intermittent grind, ratchet or abs pump motor noises can be heard, in front of vehicle and stabilitrak would flash and reduction in the throttle. Model 2010-2013 lacrosse.
• 10051906Feb 1, 2013Engine. Buick/chevrolet/gmc: engine is makes rattling noise when starting up and is intermittent, and is heard in camshaft position actuator due to engine shut down and oil pressure not allow to camshaft position actuator. Models 2011-2012 lacrosse, regal, equinox, orlando, terrain.
• 10051891Feb 1, 2013Equipment. Buick/cadillac/chevrolet/gmc/saab: some vehicles have floor mats that are difficult to fully seat on carpet side retainer due to floor retainer being broken and various breakpoints for style of retainer and because different styles or designs not interchangeable and contains non matching retainers. Models 2010-13 lacrosse, srx, 2011-13 regal, cruze, equinox, volt, terrain, 9-4x, 2012-13 verano, sonic, 2008-13 cts…
• 10133161Jan 31, 2013Electrical system, Steering. This preliminary informational bulletin provides information on inspecting the steering column seal, adjusting the electronic power steering wire harness bracket and replace the steering column seal to remove a groan, squeak or rubbing type noise when turning the steering wheel.
• 10112760Jan 31, 2013Equipment, Brakes. This Preliminary Information communication advises the technician that the Electronic Brake Control Module and the Brake Pressure Modulator Valve parts restriction has ended. Dealer can now order the parts directly through your Parts Department without General Motors Technical Assistance Center authorization.
• 10112759Jan 31, 2013Electrical system. This Preliminary Information communication advises the technician that the Battery Energy Control Module, Auxiliary Transmission Fluid Pump, Starter Generator, Generator Battery Control Wiring Junction Block, Generator Battery Disconnect Relay, Battery Energy Control Module, Battery Disconnect Switch Wiring Harness, Battery Disconnect Switch Wiring Harness, Generator Battery, and Generator Control and Battery…
• 10112751Jan 30, 2013Electrical system. This Preliminary Information communication provides information to the technician about vehicles that the horn may produce three rapid chirps at times when entering vehicle. Technician will need to update the Body Control Module with latest calibration using Tis-2-Web.

← All problems reported for the 2012 Buick Lacrosse