2009 Buick Lacrosse Technical Service Bulletins

1,038 technical service bulletins (TSBs) are on record for the 2009 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.

• 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.
• 10115016Jun 8, 2015Equipment, Electrical system. This Preliminary Information communication provides information to the technician about vehicles that are unable to receive OnStar Hands Free Calling calls and or the OnStar center is unable to perform remote services. Technician will need to push the OnStar Blue button and verify the system successfully connects to an advisor. Place an outbound personal call from the vehicle and verify it connects.
• 10113664May 29, 2015Transmission and drivetrain. This informational bulletin provides technicians with information regarding automatic transmission oil cooler flow test essential tool J-45096 TransFlow®.
• 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.
• 10113654May 15, 2015Equipment. This informational bulletin provides information on a GM of Canada OnStar® cellular communication upgrade.
• 10113652May 15, 2015Equipment. This informational bulletin provides information on a GM of Canada OnStar® cellular communication upgrade.
• 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.
• 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.
• 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.
• 10114456Apr 10, 2015Fuel system. This Preliminary Information communication provides information to the technician about vehicles that may have low oil pressure message. Technician may also find a Diagnostic Trouble Code P0521 in the Engine Control Module. Technician should follow all published Service Information diagnosis.
• 10090054Apr 7, 2015Engine, Vehicle speed control. 14636 - special coverage. Some 2009 model year buick lacrosse and allure vehicles and 2009-2011 model year chevrolet impala vehicles may have a broken solder connection within the accelerator pedal position (app) sensor. This condition may result in reduced engine power and loss of traction control assist. All other accessories and vehicle systems will function normally.
• 10058688Apr 1, 2015Vehicle speed control. Chevrolet/buick: some vehicles will or may have, within accelerator pedal position sensor, a broken solder connection causing reduction in engine power and traction control assist loss. Model 2009 lacrosse, allure, 2009-11 impala.
• 10135418Mar 31, 2015Electrical system. This informational bulletin adds the 2014 and 2015 model years to information of a language change for OnStar System (U.S. and Canada only).
• 10113785Mar 31, 2015Equipment. This informational bulletin adds the 2014 and 2015 model years to information of a language change for OnStar System (U.S. and Canada only).
• 10139389Mar 30, 2015Engine cooling. This Preliminary Information communication provides information to the technician about vehicle that may have black smoke on a cold start. A dual-pulse injection strategy is utilized during engine cold start to reduce the time required to bring the catalytic converter up to operating temperature. This split injection strategy lasts for about 60 seconds on cold start. This process may cause the customer to see…
• 10135412Mar 26, 2015Equipment. This informational bulletin provides information on the Product Quality Center (PQC) assembly replacement process for Service Agents not required to contact PQC prior to assembly replacement.
• 10113775Mar 26, 2015Equipment. This informational bulletin provides information on the Product Quality Center (PQC) assembly replacement process for Service Agents not required to contact PQC prior to assembly replacement.
• 10113773Mar 26, 2015Equipment. The intent of this technical bulletin is to identify aftermarket ALDL or DLC interface devices as potential sources for causing multiple customer concerns that do not have other diagnostic methods to identify them.
• 10135410Mar 24, 2015Brakes. This informational bulletin provides technicians with a brake lathe calibration procedure.
• 10113770Mar 24, 2015Brakes. This informational bulletin provides technicians with a brake lathe calibration procedure.
• 10135396Mar 18, 2015Engine cooling. This informational bulletin provides information for repairing engine front cover oil leak, sealing surface preparation and applying RTV sealant.
• 10113755Mar 18, 2015Engine. This informational bulletin provides information for repairing engine front cover oil leak, sealing surface preparation and applying RTV sealant.
• 10135395Mar 16, 2015Equipment. This preliminary informational bulletin provides technicians with diagnostic tips for a customer concern of odor emanating from HVAC system.
• 10135394Mar 16, 2015Electrical system. This informational bulletin communicates GM wiring repair strategy information.
• 10113753Mar 16, 2015Equipment. This preliminary informational bulletin provides technicians with diagnostic tips for a customer concern of odor emanating from HVAC system.
• 10113752Mar 16, 2015Electrical system. This informational bulletin communicates GM wiring repair strategy information.
• 10135384Mar 10, 2015Equipment. This warranty administration bulletin provides retail and wholesale service personnel with the policies and the warranty claims submission procedures that support Labor Operation 0600014 ? Suspected Tampering or Vehicle Modifications.
• 10113745Mar 10, 2015Equipment. This warranty administration bulletin communicates GM required operating procedures (U.S. only) for service operations.
• 10113741Mar 10, 2015Equipment. This warranty administration bulletin provides retail and wholesale service personnel with the policies and the warranty claims submission procedures that support Labor Operation 0600014 - Suspected Tampering or Vehicle Modifications.
• 10135383Mar 9, 2015Equipment. This informational bulletin provides dealership personnel information on unscheduled supplemental services (including flushing services and additives) and proper use of GM simplified maintenance schedules (Canada only).
• 10113740Mar 9, 2015Equipment. This informational bulletin provides dealership personnel information on unscheduled supplemental services (including flushing services and additives) and proper use of GM simplified maintenance schedules (Canada only).
• 10135381Mar 6, 2015Engine cooling. This informational bulletin provides technicians with diagnostic tips for preventing oil leaks after changing oil and filter.
• 10113738Mar 6, 2015Engine cooling. This informational bulletin provides technicians with diagnostic tips for preventing oil leaks after changing oil and filter.
• 10135377Mar 4, 2015Equipment. This informational bulletin provides information on the PQC assembly replacement process - for dealers required to contact PQC prior to replacing an assembly (U.S. and Canada only).
• 10113731Mar 4, 2015Equipment. This informational bulletin provides information on the PQC assembly replacement process - for dealers required to contact PQC prior to replacing an assembly (U.S. and Canada only).
• 10135370Mar 3, 2015Engine cooling. This informational bulletin annouces the availability of high feature V6 timing chain kits and chain guide replacements, for repairing stretched timing chains setting DTCs P0008, P0009, P0016, P0017, P0018 and/or P0019.
• 10113723Mar 3, 2015Equipment. This informational bulletin annouces the availability of high feature V6 timing chain kits and chain guide replacements, for repairing stretched timing chains setting DTCs P0008, P0009, P0016, P0017, P0018 and/or P0019.
• 10135369Mar 2, 2015Electrical system. This informational bulletin provides information on communication with OnStar® module after Canadian cellular upgrade.
• 10113722Mar 2, 2015Equipment. This informational bulletin provides information on communication with OnStar® module after Canadian cellular upgrade.
• 10113720Mar 2, 2015Equipment. This informational bulletin provides information on a GM of Canada OnStar® cellular communication upgrade.
• 10113573Feb 27, 2015Electrical system, Equipment. This informational bulletin provides information on dealer reimbursement procedures for Customer Assistance Center (CAC) Tier 1 and Tier 2 empowerment tools: diagnostic fee, short term rental, and up-front towing (U.S. only).
• 10113571Feb 24, 2015Electrical system. This informational bulletin communicates Information to technicians on control module Diagnostic Trouble Code(s) (DTC)(s) P0601, P0602, P0603, P0604, P0606, P062F, P06F3, P1621 which can be shared in multiple modules.
• 10113566Feb 20, 2015Fuel system. This informational bulletin provides information for maintenance cleaning of the fuel injectors.
• 10114408Feb 13, 2015Equipment. This Preliminary Information communication provides information to the technician about vehicles that are travelling from Canada to the United States. While in the United States they are unable to receive Turn-by-Turn directions. Due to the existing cellular provider not having roaming agreements in areas outside of Canada to support transmitting of the packet data required for Turn-By-Turn feature to operate. The…
• 10113538Feb 11, 2015Tires, Wheels. This informational bulletin communicates comprehensive instructions to GM Dealers and authorized GM Accessory Distributor/Installers as to the proper methods for mounting, balancing, and installing accessory wheels and tires.
• 10113531Feb 9, 2015Equipment. This warranty administration bulletin provides information to clarify proper transaction administration of GM Dealer Empowerment Program and Goodwill Cases.

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