2012 Buick Lacrosse Technical Service Bulletins

1,831 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.

• 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.
• 10133156Jan 29, 2013Equipment. This preliminary informational bulletin provides information on replacement for the auxiliary floor mat retainer due to the floor mat retainer won't seat on the carpet.
• 10133152Jan 28, 2013Equipment. This informational bulletin provides information on the replacement process for the product quality center.
• 10133151Jan 28, 2013Transmission and drivetrain. This informational bulletin provides information for service agents not required to contact product quality center for CNG, LPG or gasoline engine, transmission and/or transfer case.
• 10133149Jan 28, 2013Electrical system. This technical bulletin provides a procedure on suspected tampering due to aftermarket ALDL or DLC interface devices causing multiple issues.
• 10133147Jan 28, 2013Tires. This informational bulletin provides information on tire radial force variation.
• 10133143Jan 25, 2013Electrical system. This informational bulletin provides information on suspected tampering on vehicles modifications for identifying non GM ECM calibrations.
• 10112736Jan 23, 2013Equipment, Back-over prevention (rear camera). This Preliminary Information communication provides information to the technician about the vehicles has no rear camera guideline selection. Technician should be advised that the guideline selection is only available on vehicles equipped with Regular Production Option Code UYS or UEW Navigation Radio. If equipped with UYS or UEW verify the guideline option is turned on.
• 10133133Jan 17, 2013Engine cooling. This informational bulletin provides information on high feature V6 timing chains kits and chain guide replacements.
• 10133130Jan 16, 2013Body and structure. This informational bulletin provides information pre-painting/cleaning process for TPO plastic fascias.
• 10133126Jan 15, 2013Seat belts. This preliminary informational bulletin provides information on properly repositioning the seat belt webbing/latch plate due to becoming twisted.
• 10133125Jan 14, 2013Equipment. This informational bulletin provides information on a update for the Electronic Component Exchange Program (U.S. and Canada Only)
• 10060398Jan 10, 2013Electrical system. Summary to be provided on a future date.
• 10112700Jan 4, 2013Engine. This Preliminary Information communication provides information to the technician about vehicles that have a loud tick or rattle noise under the hood at all operating conditions. Technician will need to check the lower and oil pressure to the upper end oil pressure. Technician will need to inspect the oil feed orifice in the cylinder head. Technician will clean out and debris found in the orifice.
• 10245792Jan 3, 2013Electrical system, Transmission and drivetrain, Other or unknown. Accessory Power Outlet and Trailer Lighting Fuse Replacement Labor Operation N1720 Fuse Replacement
• 10133115Jan 2, 2013Air bags, Exterior lighting. This preliminary informational bulletin provides information on the driver airbag light is flashing in the cluster and/or the passenger airbag ON indicator does not illuminate when the passenger is present when the SDM setup has not been completed after reprogramming.
• 10246961Jan 1, 2013Back-over prevention (rear camera). No Rear Camera Guideline Selection.
• 10245860Jan 1, 2013Electrical system. Loss of Battery Charge ? Inspect Generator Control Module
• 10073586Jan 1, 2013Back-over prevention (rear camera). Summary to be provided on a future date.
• 10069906Jan 1, 2013Electrical system. Summary to be provided on a future date.
• 10063979Jan 1, 2013Electrical system. Summary to be provided on a future date.
• 10138567Dec 20, 2012Equipment. This preliminary information bulletin provides information to reprogram the HVAC control module with the latest calibrations to correct an comment that the vehicle has reduced autostop functionality, such as missed or aborted autostops that occur during cool and/or cold outside ambient temperatures which are accompanied by high humidity
• 10138538Dec 20, 2012Engine cooling. This informational bulletin provides information on the proper oils to use on GM vehicles including information regarding the differences of the Dexos oils.
• 10113850Dec 20, 2012Electrical system. This preliminary information bulletin provides information to reprogram the HVAC control module with the latest calibrations to correct an comment that the vehicle has reduced autostop functionality, such as missed or aborted autostops that occur during cool and/or cold outside ambient temperatures which are accompanied by high humidity
• 10113849Dec 20, 2012Engine cooling. This informational bulletin provides information on the proper oils to use on GM vehicles including information regarding the differences of the Dexos oils.
• 10098721Dec 20, 2012Equipment. This preliminary informational bulletin provides a procedure to reprogram the ecm for concerns regarding a loud rattle noise on start up that stops in 3 seconds or less.
• 10138539Dec 19, 2012Engine cooling. This informational bulletin provides information on the release of 3 high feature v6 timing chain part kits. To help ease the ordering of large amounts of parts during service.
• 10113848Dec 19, 2012Equipment. This informational bulletin provides information on the release of 3 high feature v6 timing chain part kits. To help ease the ordering of large amounts of parts during service.
• 10138541Dec 17, 2012Equipment. This warranty administration bulletin provides information on the Clarification of Use for Dealer Empowerment Labor Operations and Customer Enthusiasm
• 10113843Dec 17, 2012Equipment. This warranty administration bulletin provides information on the Clarification of Use for Dealer Empowerment Labor Operations and Customer Enthusiasm
• 10112687Dec 17, 2012Equipment, Electrical system. This Preliminary Information communication provides information to the technician about vehicles that loose connection between the vehicle and a Bluetooth phone. Technician will need to use a scan tool to check the "Firmware Over-the-Air" value. If the "Firmware Over-the-Air" value is up to date and customer's concern is still present contact General Motors Technical Assistance Center for further assistance.
• 10112677Dec 14, 2012Equipment, Electrical 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.
• 10112674Dec 14, 2012Body and structure, Equipment. This Preliminary Information communication provides information to the technician about vehicles that have the remote keyless entry transmitter range is very poor and they have to be very close to the vehicle before the transmitter operates. Technician will need to verify the Remote Keyless Entry transmitter range by pacing off approximately 100 feet diagonally on all four corners of the vehicle.
• 10112653Dec 12, 2012Electrical system. This Preliminary Information communication provides information to the technician with a diagnostic tip for the OnStar back-up battery failure. Technician may find Diagnostic Trouble Code B1446 or B1447 and the OnStar LED is red. Technician should never disconnect the main vehicle battery or remove the OnStar fuse with the ignition key in any position other than off.
• 10112641Dec 12, 2012Engine cooling. This Preliminary Information communication provides information to the technician that fluid contamination may be directed to one of the following testing centers according to the type of fluid needing testing. Dealer should send the correct fluid to the proper testing center.
• 10138546Dec 11, 2012Transmission and drivetrain. This preliminary information bulletin provides information on doing a pressure line test prior to replacement and removal of the transmission for conditions relating to No Forward, No Reverse, No Crank, Engine Cranks But Will Not Start.
• 10113840Dec 11, 2012Transmission and drivetrain. This preliminary information bulletin provides information on doing a pressure line test prior to replacement and removal of the transmission for conditions relating to No Forward, No Reverse, No Crank, Engine Cranks But Will Not Start.
• 10138545Dec 7, 2012Equipment. This informational bulletin provides a list off all the issues revolving around new vehicles for a one stop place to find growing concerns around them.
• 10138543Dec 7, 2012Equipment. This preliminary information bulletin provides information the proper ways of adjusting the center trim bezel to correct the condition of the CD/DVD will not eject from the instrument panel mounted player.
• 10113837Dec 7, 2012Equipment. This informational bulletin provides a list off all the issues revolving around new vehicles for a one stop place to find growing concerns around them.
• 10113836Dec 7, 2012Electrical system. This preliminary information bulletin provides information the proper ways of adjusting the center trim bezel to correct the condition of the CD/DVD will not eject from the instrument panel mounted player.
• 10112629Dec 5, 2012Equipment. This Preliminary Information communication provides information to the technician about vehicles that the radio can be turned on after turning the ignition off and opening the driver's door. The radio can then be turned back on after the vehicle's Retained Accessory Power has been canceled by simply pressing the power button on the radio. This is a normal characteristic of the key off operation.
• 10138556Dec 4, 2012Equipment. This preliminary information bulletin provides a descritption of operation of the echo control and noise cancellation settings for concernc regarding noice drop outs during calls and muffled sound.
• 10138551Dec 4, 2012Seat belts. This informational bulletin provides information regarding the Passenger Presence System (PPS) May Command Seat Belt Reminder Chime and Passenger Airbag Indicator On When Electronic Devices or Conductive Objects are Placed on Front Passenger Seat, DTCs 5045 or B0074 0F May Set in PPS Module
• 10113831Dec 4, 2012Equipment. This preliminary information bulletin provides a descritption of operation of the echo control and noise cancellation settings for concernc regarding noice drop outs during calls and muffled sound.
• 10113825Dec 4, 2012Electrical system. This informational bulletin provides information regarding the Passenger Presence System (PPS) May Command Seat Belt Reminder Chime and Passenger Airbag Indicator On When Electronic Devices or Conductive Objects are Placed on Front Passenger Seat, DTCs 5045 or B0074 0F May Set in PPS Module
• 10112623Dec 3, 2012Equipment. This Preliminary Information communication advises the technician that the Human Machine Interface, Radio or Tuner, radio controls, Integrated Center Stack, display, and Media Disc Players are placed on restriction through the General Motors Technical Assistance Center. Dealer will need to contact General Motors Technical Assistance Center for further assistance.
• 10059959Dec 3, 2012Equipment, Transmission and drivetrain. Summary to be provided on a future date.
• 10246956Dec 1, 2012Equipment. Poor Remote Transmitter Range/Remote Start Or TPM Indicator On
• 10246853Dec 1, 2012Equipment. Key Off Radio Operation.

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