2011 Buick Lacrosse Technical Service Bulletins

1,642 technical service bulletins (TSBs) are on record for the 2011 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.

• 10253589Apr 1, 2014Steering. Groan, Squeak or Rubbing Type Noise When Turning Steering Wheel
• 10250013Apr 1, 2014Electrical system. High Voltage Safety ? High Voltage Disabling
• 10246981Apr 1, 2014Electrical system. Timeshift Function Inoperative.
• 10246588Apr 1, 2014Engine cooling. Information on High Feature V6 Timing Chain Kits and Chain Guide Replacements DTCs P0008, P0009, P0016, P0017, P0018 and/or P0019
• 10245789Apr 1, 2014Equipment. Excessive Oil Consumption
• 10073341Apr 1, 2014Equipment. Summary to be provided on a future date.
• 10055422Apr 1, 2014Engine. Gm: some dtc codes may be set, p0016, p0017, p0018, p0019, p0008, or p0009. 3.6 ly7 with cam actuator dtc.the reluctor for the crankshaft sensor pressed on the crankshaft may have moved. Also included buick allure model year 2005.
• 10055375Apr 1, 2014Equipment. Gm: inconsistent rear back up camera operation, bluetooth delay, intermittent audio concerns, blank dvd display, as well as other navigation radio/clock concerns. The radio may need to be replaced.
• 10052863Apr 1, 2014Engine. Gm: some vehicles require replacements for high feature v6 timing chain kits and guide replacements. Also included chevrolet captiva. Model years 2007-2013. *js updated 7/18/14.
• 10061125Mar 31, 2014Equipment. Summary to be provided on a future date.
• 10137887Mar 28, 2014Electrical system. This warranty bulletin explains how to use the EL-50313 Midtronic GR8 Battery tester to test a battery and determin if it is warranty or not
• 10137885Mar 28, 2014Equipment. This preliminary bulletin provides information to replace the radio to correct the customers concern of multiple Radio concerns.
• 10111886Mar 28, 2014Electrical system. This Preliminary Information communication provides information to the technician that Diagnostic Trouble Codes P0016, P0017, P0018, P0019, P0008 or P0009 may be set. Technician will need to inspect for loose timing chains or tensioners. If after following Service Information diagnostics the root cause is not found inspect the reluctor for the crankshaft sensor. If the reluctor has moved then replace crankshaft.
• 10137882Mar 26, 2014Engine cooling. This technical bulletin provides a procedure to test for oil consumption and install new pistons and rings if no signs of consumption or oil leaks have been validated.
• 10111869Mar 20, 2014Equipment. This Preliminary Information communication provides information to the technician about vehicles that were built with a dampener on the rear toe adjust link. Technician can remove the dampener, engineering has determined that this dampener does not make a noticeable impact on noise, vibration, or harshness.
• 10137866Mar 17, 2014Equipment. This informational bulletin helps the technician quick reference repairs to bulletins as opposed to replacing parts that may be un necessary.
• 10137860Mar 12, 2014Steering. This preliminary bulletin provides a procedure to repair or replace the steering column seal to correct the customers concern of a groan, squeak or rubbing noise when turning the steering wheel.
• 10111853Mar 6, 2014Exterior lighting, Engine. This Preliminary Information communication provides information to the technician about vehicles that may have Service Engine Soon Malfunction Indicator Lamp on after the Cylinder Head was replaced. If the technician finds Diagnostic Trouble Code P0174 and the replacement head had fuel injectors already installed, the replace the fuel rail with the original fuel rail off the car.
• 10111850Mar 5, 2014Equipment. This Preliminary Information communication provides information to the technician about vehicles that when a Canadian customer may comment that when they travel to the United States, they are unable to connect to OnStar or use hands free calling. Dealer can advise the customer that the existing cell phone provider not having roaming agreements in areas outside of Canada.
• 10111849Mar 5, 2014Electrical system, Equipment. This Preliminary Information communication provides information to the technician about vehicles that have a frequent "off route" messages while following Turn by Turn route. Technicians will need to remove power from the Vehicle Communication Interface Module for one hour and retest for the concern.
• 10111848Mar 5, 2014Equipment. This Preliminary Information communication provides information to the technician about vehicles that has no XM audio on certain channels but XM channel info is displayed. Technician will need to contact XM and deactivate and activate the module.
• 10111846Mar 4, 2014Electrical system. This Preliminary Information communication provides information to the technician about a customer?s request to install OnStar Bluetooth. Dealer should be advised at this time, there are no provisions to add this option to vehicles that were not built with it.
• 10111845Mar 4, 2014Equipment, Electrical system. This Preliminary Information communication provides information to the technician on how to diagnose and repair vehicles that may have an OnStar Turn-By-Turn Navigation the system that is inoperative. Technician verifies there are no Diagnostic Trouble Codes are present in the Antilock Braking System and Vehicle Communication Interface Module of the vehicle. If no Diagnostic Trouble Codes found call OnStar using…
• 10247681Mar 1, 2014Equipment. Information On Requests To Add OnStar Bluetooth Option.
• 10246982Mar 1, 2014Electrical system. Checking Smartphone Bluetooth Software Update Status
• 10246977Mar 1, 2014Engine cooling. Whine Noise Underhood.
• 10245950Mar 1, 2014Equipment. Canadian Customers Unable To Place Calls In The United States
• 10073714Mar 1, 2014Equipment. Summary to be provided on a future date.
• 10073396Mar 1, 2014Equipment. Summary to be provided on a future date.
• 10073340Mar 1, 2014Engine. Summary to be provided on a future date.
• 10069296Mar 1, 2014Steering. Summary to be provided on a future date.
• 10138656Feb 28, 2014Latches, locks and linkages, Body and structure, Electrical system. This preliminary bulletin provides a procedure to install a new relay to control the trunk opening up when the button has been accidently pressed.
• 10111967Feb 26, 2014Electrical system, Engine. This Preliminary Information communication provides information to the technician about vehicles that have a loud whine noise from under the hood. On 2010 Buick LaCrosse and 2011 Buick Regal with Regular Production Option Code (LAF) engine technician will need to compare to a known good vehicle and replace the Brake Booster Electric Vacuum Pump only if an abnormal noise is heard.
• 10111966Feb 26, 2014Electrical system. This Preliminary Information communication provides information to the technician about vehicles that have an OnStar system that will not power up. Technician should turn off the ignition and cancel retained accessory power. After the vehicle has powered down, remove power to the OnStar module for five minutes. After the power has been removed for five minutes, if the OnStar system is working release the vehicle.
• 10111964Feb 26, 2014Electrical system. This Preliminary Information communication provides information to the technician about vehicles that have the OnStar system does not respond properly to some numbers and/or voice commands. Dealer should direct the customer to review the operational characteristics in the OnStar Users Guide.
• 10138646Feb 25, 2014Transmission and drivetrain, Engine, Equipment. This informational bulletin provides a process to the service agents that are not required to contact PQC, to determine when to replace a assembly as opposed to repairing and if an engine or transmission is being returned, that it has all the information in relation to that part being returned.
• 10138644Feb 25, 2014Steering. This preliminary bulletin provides a procedure to repair or replace the steering column seal to correct the customers concern of a groan, squeak or rubbing noise when turning the steering wheel.
• 10111962Feb 25, 2014Electrical system. This Preliminary Information communication advises the technician that when replacing the camshaft part number 12626660. Technician will need to ensure that the date code and the finish of the camshaft. If the cam is discolored or has chatter marks, have parts department send the cam back as (MR code7) new defective.
• 10111958Feb 24, 2014Visibility (wipers, defrost, mirrors), Engine. This Preliminary Information communication provides information to the technician about vehicles that have a mist from Instrument Panel vents, moisture on inside of windshield, water drips on driver?s foot or floor is wet. Technician will need to reposition the shift cable to the driver?s side of the vehicle and push slack of the cable and the insulator forward into engine compartment. Technician will also…
• 10138642Feb 21, 2014Latches, locks and linkages, Electrical system. This preliminary bulletin provides information on how to set the rear electric child locks.
• 10138640Feb 21, 2014Visibility (wipers, defrost, mirrors). This warranty bulletin explains how to determine if an outside mirrior was damaged by the customer and what is considered warranty and non-warranty.
• 10138639Feb 21, 2014Equipment, Wheels. This informational bulletin provides the technician the proper way to install and torque the wheel.
• 10138638Feb 21, 2014Wheels. This informational bulletin explains how to balance a chrome wheel without damaging the chrome face of the rim.
• 10138637Feb 21, 2014Wheels, Equipment, Tires. This informational bulletin provides technicians with ways to decrease the tire slipping on the rim and reduce to possible chances of the customers concerns over tire vibration are repair.
• 10138631Feb 18, 2014Tires, Wheels. This technical bulletin provides a procedure on cleaning a leaking rim, to correct a customers concern of having a slow tire leak and low tire psi message on.
• 10138630Feb 18, 2014Equipment, Tires. This informational bulletin explains the use of Nitrogen in GM tires.
• 10138629Feb 18, 2014Tires. This bulletin provides information regarding the normal tire wear condition of slight or mild tire feathering and recommended practices.
• 10138628Feb 18, 2014Seat belts. This preliminary information provides a procedure to repair the seat belt webbing and latch by rolling it back over.
• 10138621Feb 17, 2014Equipment. This informational bulletin helps the technician quick reference repairs to bulletins as opposed to replacing parts that may be un necessary.
• 10111927Feb 12, 2014Brakes, Fuel system, Equipment. This Preliminary Information communication provides information to the technician about vehicles that have a Service Engine Soon Malfunction Indicator Lamp. Technician may find Diagnostic Trouble Code P0442. Technician will need to review Techlink article from May 2013 titled "Using the Evaporative Emissions System Tester" Technician will need to follow these steps to help diagnose the issue. First after the P0442…

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