2015 Buick Lacrosse Technical Service Bulletins

1,576 technical service bulletins (TSBs) are on record for the 2015 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.

• 10115067Jun 22, 2015Electrical system. This Preliminary Information communication provides information to the technician about being unable to receive OnStar ?Over The Air? updates. Technician will need to press the OnStar button and verify they have an active account and that the call connects with data and location.
• 10115065Jun 22, 2015Electrical system. This Preliminary Information communication provides information to the technician about the iPod that the first song will still be displayed when the next song in the list is playing. Engineering has deemed this to be a normal operating characteristic of the vehicle and no repair attempts should be made.
• 10115064Jun 22, 2015Electrical system. This Preliminary Information communication provides information to the technician to download the USB software from TIS2WEB using the vehicle identification number every time a programming event of the human machine interface module is needed. Damage could be caused to the module if USB programmed with the incorrect software.
• 10115062Jun 22, 2015Equipment, Electrical system. This Preliminary Information communication provides information to the technician about vehicles that may have a Diagnostic Trouble Code U0121 in the Multi-axis Acceleration Sensor Module in history. This is a characteristic of normal operation do not replace any components for this concern.
• 10113701Jun 22, 2015Equipment. This informational bulletin provides information for dealers/technicians on when and how to submit a Field Product Report (FPR) (U.S. Dealers Only).
• 10115060Jun 18, 2015Equipment. This Preliminary Information communication provides information to the technician that First Responder Guides for General Motors vehicles can be accessed via the web at http://www.gmstc.com.
• 10115053Jun 17, 2015Tires, Suspension. This Preliminary Information communication provides information to the technician about vehicles that have had multiple repair attempts are being performed on customer?s vehicles that exhibit vibration conditions without utilizing the support of General Motors Technical Assistance Center. If valid vibration frequency or Road Force Variation data has been collected and a repair attempt does not correct the customer…
• 10115045Jun 15, 2015Equipment. This Preliminary Information communication provides information to the technician about vehicles with a CD player is inoperative. Technician should cycle power to the CD play and retest. If the CD player starts working advise the customer that we apologize for this inconvenience and that General Motors is working on a permanent solution for this concern. If the CD player is still inoperative technician will need to…
• 10115041Jun 12, 2015Equipment. This Preliminary Information communication provides information to the technician about vehicles that radio is inoperative, loss of sound, or their display is blank. Technician will need to cycle power to the radio and retest. If the radio starts working advise the customer that we apologize for this inconvenience and that General Motors is working on a permanent solution for this concern.
• 10115039Jun 12, 2015Equipment. This Preliminary Information communication provides information to the technician about when listening to an iPod that the first song will still be displayed when the next song in the list is playing. If this concern is encountered, use the browse button on the radio display and navigate to the desired artist, album, song, or Genre. Once the desired selection is made, the correct information will be displayed on…
• 10115038Jun 12, 2015Equipment. This Preliminary Information communication provides information to the technician about the Media Oriented Systems Transport Bus Diagnostic Tool Kit (EL-51578) has been released to help diagnose any of the Media Oriented Systems Transport bus concerns. The kit contains header connectors that are installed to bypass Media Oriented Systems Transport bus modules. The bypass connector also contains a terminal for…
• 10115036Jun 12, 2015Equipment. This Preliminary Information communication provides information to the technician about vehicles that navigation system has inaccurate estimated time of arrival. This is a normal operating characteristic of the New Generation Infotainment system.
• 10113688Jun 12, 2015Equipment. This informational bulletin provides dealership personnel with Global Warranty Management (GWM), Warranty Parts Center (WPC), and Parts Return Program information.
• 10115034Jun 10, 2015Transmission and drivetrain. This Preliminary Information communication advises the technician of a possible grind or growl noise from the transmission while moving. If the technician disassembles the transmission, technician may find a front differential drive pinion gear bearings and or differential carrier bearings are damaged. Technician will need to contact General Motors Technical Assistance Center before attempting to remove the damaged…
• 10115030Jun 9, 2015Equipment. This Preliminary Information communication provides information to the technician about vehicles with a CD player is inoperative. Technician should cycle power to the CD play and retest. If the CD player starts working advise the customer that we apologize for this inconvenience and that General Motors is working on a permanent solution for this concern. If the CD player is still inoperative technician will need to…
• 10115027Jun 9, 2015Equipment. 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.
• 10115026Jun 8, 2015Electrical system. This Preliminary Information communication provides information to the technician about vehicles that may have the OnStar wireless fidelity inoperative. Technician will need to contact General Motors Technical Assistance Center with a scan tool connect to the vehicle for further assistance.
• 10115022Jun 8, 2015Engine. This Preliminary Information communication provides information to the technician about vehicles that have a knock noise, seized engine, lower end squeak or squeal from the engine. Technician will inspect the oil control solenoids for metal debris. Also inspect for damage to the cam caps Journals and camshaft journals on the heads. The check the timing chain idler sprockets for stiffness when turning. If any of…
• 10115014Jun 3, 2015Equipment. 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 use Global Diagnostic System 2 to review the Firmware Over-the-Air version. If the Firmware Over-the-Air version on the scan tool equals 6708 the technician will need to contact General Motors Technical…
• 10115010Jun 2, 2015Equipment. This Preliminary Information communication provides information to the technician about vehicles that have an inoperative radio. Technician may find Diagnostic Trouble Code U0184 stored in multiple modules. If the concern is present at the dealership technician will need to contact General Motors Technical Assistance Center for further assistance.
• 10113669Jun 2, 2015Equipment. This informational bulletin provides information to dealership personnel on properly maintaining vehicles in dealer inventory.
• 10114585May 29, 2015Electrical system. This Preliminary Information communication advises the technician of a customer concern where the heated seat indicator light is not functioning or the heated seats are not up to operating temperature during a remote vehicle start event. This is normal operation of the heated seat during a remote vehicle start event. The electronic climate control module is not in a complete wake up state during a remote vehicle…
• 10113662May 27, 2015Fuel system, Other or unknown. This informational bulletin provides dealership personnel with information on flexible fuel vehicles (FFVs) and the usage of E85 fuel in GM vehicles.
• 10113658May 22, 2015Engine cooling. This informational bulletin provides technicians with updated information to help identify the differences between what is considered a fluid leak, and what is considered seepage.
• 10113657May 21, 2015Engine cooling. This informational bulletin provides information to technicians regarding intake manifold inspection/replacement after severe internal engine damage.
• 10113656May 21, 2015Electrical system. This informational bulletin communicates part restriction and ordering process information for OnStar®Vehicle Communication Interface Modules (VCIM) (GMNA Only).
• 10114558May 19, 2015Transmission and drivetrain. This Preliminary Information communication advises the technician of a possible grind or growl noise from the transmission while moving. If the technician disassembles the transmission, technician may find a front differential drive pinion gear bearings and or differential carrier bearings are damaged. Technician will need to contact General Motors Technical Assistance Center before attempting to remove the damaged…
• 10113655May 19, 2015Electrical system. This preliminary informational bulletin provides repair information on instrument cluster reprogramming to correct a customer concern of analog gauges and/or cluster display inoperative at startup, or cluster display/analog gauges/backlighting iInoperative intermittently, or speedometer analog gauge operates in opposite direction.
• 10114547May 14, 2015Equipment, Engine cooling. This Preliminary Information communication provides information to the technician with information regarding high misfire rates always on #1 cylinder. A customer may complain of misfires or roughness on cold start up with a P0300 diagnostic trouble code. Technician is to add coolant dye to the system and run the engine through warm up to circulate the dye. Pressurize the cooling system after a cold soak and inspect…
• 10114546May 14, 2015Equipment. This Preliminary Information communication advises the technician to follow this Preliminary Information if there is a diagnostic trouble code P00C6 and or P228C set and normal Service Information diagnostics didn?t lead to a repair. Technician is to recheck the terminals at the Engine Control module for fit and tension as well as the crimp to the wire. The engine control module terminals to inspect are in the X2…
• 10114543May 14, 2015Electrical system. This Preliminary Information communication advises the technician to insure that global diagnostic service 2 diagnostic packages are up to date prior to learning the steering angle sensor for a diagnostic trouble code C710 symptom code 71 set in the electronic brake control module or the power steering control module. When rechecking for diagnostic trouble codes a U0074 U0077, U0180D, U01293, U0126, U0125, C0186…
• 10114536May 12, 2015Electrical system. This Preliminary Information communication advises the technician that the part restriction on the Battery Energy controls module has ended the part is now available through parts department and doesn?t require a Technical Assistance Center authorization.
• 10114518May 6, 2015Equipment. This Preliminary Information communication provides information to the technician about vehicles that may have a blank radio display. Technician may find a Diagnostic Trouble Code U150F stored in the Radio / Heater-Vent-Air Conditioning controls. Technician will verify if the correct display is installed. If the Diagnostic Trouble Code is current inspect the circuit form end to end.
• 10114509May 1, 2015Equipment. This Preliminary Information communication provides information to the technician for vehicles with the radio inoperative. The technician may find no communication with the radio and a diagnostic trouble code U0184 set in other modules. Technician is to call General Motors Technical Assistance Center for direction before attempting to diagnose or repair this concern.
• 10113624Apr 30, 2015Visibility (wipers, defrost, mirrors). This preliminary informational bulletin provides repair information to correct a customer concern of sunroof or sunshade inoperative, and technician may find DTC U151B set.
• 10114496Apr 28, 2015Electrical system. This Preliminary Information communication advises the technician that the Drive Motor Generator Battery Module and Drive Motor Generator Battery Sections for the 2012 - 2015 Buick LaCrosse, Buick Regal, 2013 - 2014 Chevrolet Malibu ECO and 2014 Chevrolet Impala with eAssist are being placed on restriction through the General Motors Technical Assistance Center. Dealer will need to contact General Motors Technical…
• 10113620Apr 28, 2015Equipment. This preliminary informational bulletin provides repair information to correct a customer concern of Iitermittently key will not rotate in door or ignition lock cylinder.
• 10114490Apr 27, 2015Electrical system. This Preliminary Information communication provides information to the technician about vehicles that may have a clock that is slow to update while driving when the clock auto set feature enabled. Dealer should communicate to the customer this condition is a normal operating characteristic of their vehicle.
• 10113615Apr 27, 2015Equipment, Electrical system. This technical bulletin provides repair procedure information to correct a customer concern of Transport Mode On message displayed in Driver Information Center (DIC) and/or battery light is flashing.
• 10113614Apr 27, 2015Equipment. This informational bulletin provides information to assist dealership personnel with the identification of vehicle headlamp, tail lamp, license lamp or fog/driving lamp damage that are not considered warrantable.
• 10113613Apr 27, 2015Equipment. This informational bulletin provides technicians with information to help identify the differences between what is considered a fluid leak, and what is considered seepage.
• 10113611Apr 23, 2015Electrical system. This preliminary informational bulletin provides radio programming information to correct customer concerns about no XM audio or time shift, radio lock-up, slow response, vertical line between clock and temperature, poor FM reception (Truck Only).
• 10114482Apr 22, 2015Equipment. This Preliminary Information communication provides information to the technician about vehicles that have a Diagnostic Trouble Code B124B sym 04 in the HMI module. Technician should check the USB port operations if no issue found it should be considered a false code and no components should be replaced. If the USB port is inoperative technician should follow published Service Information diagnosis for Auxiliary…
• 10114481Apr 22, 2015Electrical system. This Preliminary Information communication provides information to the technician about vehicles that are unable to access XM Weather. If the system responds by highlighting the XM Weather Icon but it does not enter the application technician should replace the Human Machine Interface module for this concern.
• 10114474Apr 20, 2015Equipment. This Preliminary Information communication provides information to the technician about connectivity concerns when connecting an Apple device via USB cord. Technician should insure the customer is using an original equipment manufacturer Apple USB cable.
• 10114470Apr 17, 2015Electrical system, Equipment. This Preliminary Information communication provides information to the technician about vehicle that may have an OnStar system that has progression tones when pressing the blue or red button. Technician will need to call General Motors Technical Assistance Center with the scan tool data from the OnStar system.
• 10113598Apr 17, 2015Electrical system. This preliminary informational bulletin provides radio programming information to correct customer concerns about no XM audio or time shift, radio lock-up, slow response, vertical line between clock and temperature, poor FM reception (truck only).
• 10113597Apr 17, 2015Electrical system. This preliminary informational bulletin provides reprpgramming information to correct a customer concern of blank display, NAV screen audio content is unavailable via speech recognition, display screen is stuck on incoming call view after phone call finished, rear view camera display blank, USB Issues/Bluetooth/Favorite Bar/Voice, iPod unable to detect via USB, recognition concerns, XM speech recognition…
• 10114460Apr 13, 2015Equipment. This Preliminary Information communication provides information to the technician about vehicles that may have a blank radio display. Technician may find a Diagnostic Trouble Code U150F stored in the Radio / Heater-Vent-Air Conditioning controls. Technician will verify if the correct display is installed. If the Diagnostic Trouble Code is current inspect the circuit form end to end.
• 10114459Apr 13, 2015Engine cooling. This Preliminary Information communication advises the technician about the calculation and operation of the engine oil life monitor. The monitor calculates the percent of oil life remaining, based on 3 pathways. The first pathway for oil life calculation is engine revolutions. The second pathway for oil life calculation is the mileage form the last rest for all General Motors powertrains except the Volt. The third…

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