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Service bulletins for the 2011 Buick LaCrosse

A bulletin is a manufacturer's communication to its dealers, as NHTSA indexes it. The summary is NHTSA's. The document is the manufacturer's: read it at NHTSA. A bulletin is not a recall, and listing a model year does not mean every vehicle of it is concerned.

1641 on file from NHTSA, as of 2026-10-19.

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Bulletins, newest first
SB-11-06-01-002A2012-03-12. Service bulletin. ENGINE AND ENGINE COOLING:ENGINE. GMC/BUICK/CHEVROLET: NOISE CAN BE HEARD COMING FROM REAR OF ENGINE WHEN HOOD IS OPEN OR WHILE VEHICLE IS IDLING. *PE
PIE-01962011-12-06. Service bulletin. LATCHES/LOCKS/LINKAGES:DOORS:LATCH; STRUCTURE:BODY:DOOR; STRUCTURE:BODY:DOOR:HINGE AND ATTACHMENTS. BUICK: CERTAIN VEHICLES EXPERIENCE INOPERATIVE DOOR HANDLE, INSIDE/OUTSIDE, AND INOPERATIVE DOOR LOCK, UNLOCKING OR LOCKING. *PE
PIP-49242011-11-17. Service bulletin. ELECTRICAL SYSTEM:WIRING:FRONT UNDERHOOD; ELECTRICAL SYSTEM:WIRING; FUEL SYSTEM, GASOLINE:FUEL INJECTION SYSTEM:INJECTORS. BUICK/CADILLAC/CHEVROLET/SATURN/GMC: THERE ARE INJECTOR CODES ON VEHICLE IF EXHIBITING MISFIRE AND SES LIGHT IS ON. *PE UPDATED 6/18/12. *PE
PIP-4583G2011-10-04. Service bulletin. UNKNOWN OR OTHER; ELECTRICAL SYSTEM:STARTER ASSEMBLY:SOLENOID. BUICK/CADILLAC/CHEVROLET/GMC: VALVE, CONTROL SOLENOID WILL BE PLACED ON RESTRICTION. *PE UPDATED 4/18/12. *PE
PIC-5512B2011-10-04. Service bulletin. SERVICE BRAKES, AIR:ANTILOCK. SAAB/BUICK: DUE TO ALL FOUR WHEEL SENSOR, ABS BRAKE MIL COMES ON. *PE
PI-0526A2011-10-03. Service bulletin. FUEL SYSTEM, GASOLINE:STORAGE:TANK ASSEMBLY:FILLER PIPE AND CAP. BUICK/CHEVROLET/GMC: INDICATOR LAMP IS MALFUNCTIONING INTERMITTENTLY. *PE
SB-111952011-08-31. Service bulletin. ENGINE AND ENGINE COOLING:EXHAUST SYSTEM:EMISSION CONTROL. GM: SEE DOCUMENT SEARCH BUTTON FOR OWNER LETTER. 2011 LACROSSE, EQUINOX, TERRAIN. THE MALFUNCTION LIGHT WILL COME ON ALONG WITH, ROUGH IDLE, POOR DRIVEABILITY, AND/OR POSSIBLE STALLING AT LOW THROTTLE OPENING. THIS IS DUE TO A PROBLEM WITH THE CAMSHAFT. *RM UPDATED 10/4/11. *PE UPDATED 12/5/11. *PE
SB-111862011-08-31. Service bulletin. ELECTRICAL SYSTEM:12V/24V/48V BATTERY. GM SERVICE CAMPAIGN: SEE DOCUMENT SEARCH BUTTON FOR OWNER LETTER. THE BATTERY MAY NOT BE UP TO SPECIFICATIONS AND COULD PREVENT THE VEHICLE FROM STARTING. 2011 BUICK LACROSSE. *RM
PIE-01782011-08-03. Service bulletin. STEERING:GEAR BOX (OTHER THAN RACK AND PINION); STEERING:HYDRAULIC POWER ASSIST:POWER STEERING FLUID. GM: 2011 BUICK REGAL/LACROSSE. POWER STEERING FLUID IS LEAKING FROM THE VEHICLE. NO ROOT CAUSE DETERMINED. *RM UPDATED 10/3/11. *PE
PIC-54842011-08-01. Service bulletin. SERVICE BRAKES, ELECTRIC; ELECTRONIC STABILITY CONTROL (ESC). GM: 2010-2011 LACROSSE. THE SERVICE STABILITY AND SERVICE BRAKE ASSIST LIGHTS ARE ON. *RM
PIC-5301A2011-08-01. Service bulletin. ELECTRICAL SYSTEM:IGNITION. GM: 2010-2011 BUICK LACROSSE. WHEN TURNING OFF THE IGNITION, THE VEHICLE STAYS RUNNING. A GROUND MAY BE LOOSE. *RM
TB-11-04-20-0012011-06-30. Service bulletin. ENGINE AND ENGINE COOLING:ENGINE. GM: 2010-2011 BUICK LACROSSE. SERVICE ENGINE SOON LIGHT IS ON WITH MULTIPLE TROUBLE CODES STORED. *RM
PI-04772011-06-27. Service bulletin. SERVICE BRAKES, ELECTRIC. GM: A SOFTWARE PROBLEM IS CAUSING A SERVICE STABILITRAK MESSAGE TO BE ON. 2011 LACROSSE. *RM
PI-04482011-06-27. Service bulletin. POWER TRAIN:AUTOMATIC TRANSMISSION:CONTROL MODULE (TCM/PCM/TECM). GM: MALFUNCTION LIGHT IS ON WITH FOUR POSSIBLE TROUBLE CODES STORED. *RM
PI-04622011-06-27. Service bulletin. STEERING:LINKAGES. GM: THE STEERING WHEEL ADJUSTMENT IS BINDING OR STICKING. THIS IS CAUSED BY THE STEERING WHEEL LEVER ADJUSTMENT NUT TIGHTENING. *RM
PI-0269A2011-06-27. Service bulletin. ENGINE AND ENGINE COOLING:ENGINE; ELECTRICAL SYSTEM:WIRING. GM: CHECK ENGINE LIGHT IS ON WITH A STORED TROUBLE CODE. *RM
PIT-50762011-06-24. Service bulletin. STEERING. GM: A SERVICE STABILITY/TRACTION LIGHT IS ON. THERE MAY ALSO BE VARIOUS STORED TROUBLE CODES. UPDATED ON 06/24/2011. *KB UPDATED ON 06/27/2011. *RM
PIP-4716A2011-06-16. Service bulletin. ENGINE AND ENGINE COOLING:ENGINE. GM: THERE MAY BE A SHORT RATTLE NOISE FROM THE FRONT OF THE ENGINE WHEN IT IS STARTED. IT COULD BE A PROBLEM WITH CAM PHASERS OR THE ENGINE BELT. *RM
PIP-4495C2011-06-16. Service bulletin. ENGINE AND ENGINE COOLING:ENGINE. GM: THERE MAY BE NOISE COMING FROM THE CYLINDER HEAD, BECAUSE OF LOW OIL PRESSURE WHICH IS CAUSED BY DEBRIS. *RM
PIC-54282011-06-15. Service bulletin. SERVICE BRAKES, AIR:ANTILOCK:WHEEL SPEED SENSOR; SERVICE BRAKES, HYDRAULIC:ANTILOCK/TRACTION CONTROL/ELECTRONIC LIMITED SLIP:WHEEL SPEED SENSOR/TONE RING. GM: THE BRAKE, TRACTION, OR STABILITY LIGHTS ARE ON BECAUSE OF DEBRIS STUCK ON THE WHEEL SPEED SENSOR. UPDATED ON 06/15/2011. *KB UPDATED ON 06/20/2011. *RM UPDATED 6/27/11. *PE UPDATED 10/3/11. *PE UPDATED 05/08/2013 *JS UPDATED ON 7/9/2013. *KB UPDATED 7/28/14. *PE
PI-03762011-06-15. Service bulletin. POWER TRAIN:AUTOMATIC TRANSMISSION. GM: THE MALFUNCTION INDICATOR LIGHT IS ON AND THE TRANSMISSION MAY SLIP DUE TO DEBRIS ENTERING THE CHANNEL PLATE. *RM
PI-0090-B2011-06-15. Service bulletin. ENGINE AND ENGINE COOLING:ENGINE. BUICK/CADILLAC/CHEVROLET/GMC/PONTIAC/SATURN: THERE MAY BE AN INTERMITTENT ENGINE HESITATION OR FLUTTER. THE CAMSHAFT SENSOR TERMINALS LIKELY HAVE POOR CONNECTIONS. *RM UPDATED 8/1/11. *PE UPDATED 4/16/12. *PE
10-00-89-017C2011-06-14. Service bulletin. UNKNOWN OR OTHER. GM: INFORMATION ON FIXING MULTIPLE SITUATIONS RIGHT THE FIRST TIME. *RM
09-09-40-001A2011-06-14. Service bulletin. SEAT BELTS:FRONT:WARNING LIGHT/DEVICES; SEAT BELTS. GM: THERE ARE SEAT BELT PROBLEMS: DIFFICULTY LATCHING AND UNLATCHING BUCKLE. BUCKLE RELEASE BUTTON IS STICKING. SEAT BELT WARNING LIGHT ILLUMINATED. LIKELY CAUSED BY STICKY BEVERAGES THAT ARE SPILLED INTO THE BUCKLE ASSEMBLY. *RM UPDATED 4/3/12. *PE
PIP-4744A2011-06-08. Service bulletin. ENGINE AND ENGINE COOLING. GM: THERE MAY BE A SERVICE ENGINE SOON LIGHT ON, THE ENGINE MAY MISFIRE, OR THE ENGINE MAY RUN ROUGH. *RM UPDATED 09/19/2013 *JS

The summaries are NHTSA's. Each bulletin's page links NHTSA's copy of the manufacturer's document.