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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-07-02-32-002N2013-11-29. Service bulletin. STEERING:HYDRAULIC POWER ASSIST SYSTEM; STEERING:HYDRAULIC POWER ASSIST:POWER STEERING FLUID. BUICK/CADILLAC/CHEVROLET/GMC/PONTIAC/ SATURN: THERE IS FLUID LEAKING FROM POWER STEERING SYSTEM, ALONG A FLUID LEAK IN FRONT OF VEHICLE UNDERNEATH AND SHOULD BE INSPECTED, CLEANED AND IDENTIFIED BEFORE REPAIRING OR REPLACING. MODEL 2010-14 LACROSSE, 2011-14 REGAL, 2007-14 ESCALADE, SUBURBAN, TAHOE, YUKON, YUKON XL, YUKON DENALI, YUKON DENALI XL, 2013-14 XTS, 2005-14 MALIBU, 2007-13 AVALANCHE, SILVERADO, SIERRA, 2006-10 G6, 2007-09 AURA. *PE
SB-123132013-10-17. Service bulletin. ENGINE; FUEL SYSTEM, GASOLINE:DELIVERY:FUEL PUMP. GMC/BUICK/CHEVROLET SPECIAL COVERAGE: SEE DOCUMENT SEARCH BUTTON FOR OWNER LETTER. SOME MODEL VEHICLES, THE CHAIN IS ALLOW TO STRETCH DUE TO BALANCE CHAIN PINS WEARING AND THIS CAUSE ENGINE NOISES AND CHAIN COULD BREAK, DAMAGING ENGINE. MODELS 2010-11 LACROSSE, 2011 REGAL, 2010-11 EQUINOX, TERRAIN. *PE UPDATED 12/6/13. *PE
12-06-01-009-D2013-09-23. Service bulletin. ENGINE. 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. *PE
PIP-4957-B2013-09-19. Service bulletin. ENGINE AND ENGINE COOLING:COOLING SYSTEM. GM: ON SOME VEHICLES A HOOT, GURGLE, HOWL, OR SWOOSH NOISE MAY BE HEARD COMING FROM THE ENGINE ARE. REPLACE THE THERMOSTAT HOUSING WITH THE CORRECT PART NUMBER. ALSO INCLUDE MAKE/MODEL BUICK LACROSSE MODEL YEAR 2014. *JS
SB-13-02-32-0012013-07-22. Service bulletin. STEERING:HYDRAULIC POWER ASSIST:PUMP; STEERING:HYDRAULIC POWER ASSIST:POWER STEERING FLUID; STEERING:HYDRAULIC POWER ASSIST:HOSE, PIPING, AND CONNECTIONS; STEERING:HYDRAULIC POWER ASSIST SYSTEM. BUICK/CADILLAC/CHEVROLET/GMC: DURING EXTREME LOW TEMPERATURE CONDITIONS, THE POWER STEERING MAKES NOISES OR FLUID LEAKS FROM HIGH PRESSURE HOSE, POWER STEERING PUMP OR GEAR. *PE UPDATED 9/30/13. *PE UPDATED 11/7/14. *PE
SB12-08-132-001A2013-07-09. Service bulletin. ELECTRICAL SYSTEM:WIRING:FUSES AND CIRCUIT BREAKERS; ELECTRICAL SYSTEM. GENERAL MOTORS: ON SOME TRUCKS AND PASSENGER VEHICLES, ACCESSORY POWER OUTLETS (APO) AND TRAILER LIGHTING ARE COMMON ACCESSED ELECTRICAL SYSTEMS THAT ARE AFFECTED BY DEVICES THAT ARE PLUGGED IN AND BECOME INOPERATIVE DUE TO AN OPEN FUSE AND NO PROBLEM WITH VEHICLE IDENTIFIED. MODELS YEARS 2010-2014 TRUCKS AND PASSENGER. NO MODELS. *PE
PI-0388-C2013-07-08. Service bulletin. SEAT BELTS; SEAT BELTS:FRONT:WEBBING. GENERAL MOTORS: SEAT BELT COULD BECOME TWISTED WITH THE LATCH PLATE. *KB
PIC-58222013-05-08. Service bulletin. STRUCTURE:FRAME AND MEMBERS:UNDERBODY SHIELDS; STRUCTURE. CHEVROELT: WATER ON THE FLOOR OR CARPET. THIS COULD BE CAUSED BY THE FRONT WHEEL HOUSE FLANGE HAVING A VOID IN THE SEALER. THIS CAN BE CORRECTED BY SEALING THE VOID. ALSO INCLUDED BUICK LACROSSE, BUICK REGAL, CADILLAC XTS, AND CHEVROLET MALIBU MODEL YEAR 2014. *KB UPDATED 09/20/2013 *JS
PI-0703-B2013-04-23. Service bulletin. POWER TRAIN:CLUTCH ASSEMBLY; POWER TRAIN:DRIVELINE:DIFFERENTIAL UNIT. CADILLAC/BUICK: ON DRIVER INFORMATION CENTER (DIC), SERVICE REAR AXLE MESSAGE WILL APPEAR AND REQUIRES AN UPDATE CALIBRATION TO REAR DIFFERENTIAL CLUTCH CONTROL MODULE (CCM). MODELS 2010-2012 LACROSSE, SRX. *PE
PB-123122013-04-22. Service bulletin. ENGINE. BUICK/CHEVROLET/GMC: SEE DOCUMENT SEARCH BUTTON FOR OWNER LETTER. THE ENGINE CONTROL MODULE (ECM) IS TO BE REPROGRAM, WITH NEW SOFTWARE UPDATE, TO ENHANCE THE WAY ENGINE OIL LIFE IS MONITORED. MODELS 2010-2012 EQUINOX, REGAL, TERRAIN, LACROSSE. *PE UPDATED 9/24/13. *PE
PIC-57982013-04-19. Service bulletin. ELECTRONIC STABILITY CONTROL:AUTOMATIC (ASC); SERVICE BRAKES, HYDRAULIC:ANTILOCK/TRACTION CONTROL/ELECTRONIC LIMITED SLIP:ABS WARNING LIGHT. BUICK: WHILE DRIVING AT NORMAL SPEEDS (20-30), MANEUVERING BANKED TURNS, AN INTERMITTENT GRIND, RATCHET OR ABS PUMP MOTOR NOISES CAN BE HEARD, IN FRONT OF VEHICLE AND STABILITRAK WOULD FLASH AND REDUCTION IN THE THROTTLE. MODEL 2010-2013 LACROSSE. *PE
PI-0562-F2013-04-19. Service bulletin. ENGINE. BUICK/CHEVROLET/GMC: ENGINE IS MAKES RATTLING NOISE WHEN STARTING UP AND IS INTERMITTENT, AND IS HEARD IN CAMSHAFT POSITION ACTUATOR DUE TO ENGINE SHUT DOWN AND OIL PRESSURE NOT ALLOW TO CAMSHAFT POSITION ACTUATOR. MODELS 2011-2012 LACROSSE, REGAL, EQUINOX, ORLANDO, TERRAIN. *PE
PI08962013-04-18. Service bulletin. EQUIPMENT; EQUIPMENT ADAPTIVE/MOBILITY. BUICK/CADILLAC/CHEVROLET/GMC/SAAB: SOME VEHICLES HAVE FLOOR MATS THAT ARE DIFFICULT TO FULLY SEAT ON CARPET SIDE RETAINER DUE TO FLOOR RETAINER BEING BROKEN AND VARIOUS BREAKPOINTS FOR STYLE OF RETAINER AND BECAUSE DIFFERENT STYLES OR DESIGNS NOT INTERCHANGEABLE AND CONTAINS NON MATCHING RETAINERS. MODELS 2010-13 LACROSSE, SRX, 2011-13 REGAL, CRUZE, EQUINOX, VOLT, TERRAIN, 9-4X, 2012-13 VERANO, SONIC, 2008-13 CTS AND 2013 MALIBU. *PE
SB-12-09-41-0012012-11-28. Service bulletin. AIR BAGS:FRONTAL:SENSOR/CONTROL MODULE-INACTIVE. BUICK/CHEVROLET: INFORMATION BEING PROVIDED REGARDING COUNTERFEIT VEHICLE AIRBAG MODULES. MODELS 2011-2012 CAMARO, VOLT, CRUZE. 2010-2011 LACROSSE. 2006-2010 AVEO. *PE UPDATED 12/4/12. *PE
PI-0745-A2012-09-10. Service bulletin. ELECTRICAL SYSTEM:WIRING:FUSES AND CIRCUIT BREAKERS; ELECTRICAL SYSTEM; ELECTRICAL SYSTEM: INSTRUMENT CLUSTER/PANEL. GM: LACROSSE, REGAL, SRX, XTS, CAMARO, MALIBU, TERRAIN, EQUINOX: INFORMATION ISSUES WITH ELECTRICAL CONCERNS WITH COMPONENTS FUSED THROUGH INSTRUMENT PANEL FUSE BLOCK, INTERMITTENTLY. *PE UPDATED 1/24/13. *PE
PIC 56922012-08-28. Service bulletin. EXTERIOR LIGHTING:BRAKE LIGHTS; SERVICE BRAKES, HYDRAULIC:PEDALS AND LINKAGES. GENERAL MOTORS: BRAKE PEDAL DOES NOT RAISE AFTER APPLY BRAKES REMAIN APPLIED OR BRAKE LIGHTS ON UNWANTED. THE CONDITION MAY OCCUR IN HIGH TEMPERATURE AND HUMIDITY CONDITIONS AND MAY NOT BE REPEATABLE. *JS UPDATED 08/28/2012 *JS UPDATED 10/15/14. *PE UPDATED 2/12/16. *PE
PIC-56792012-06-18. Service bulletin. STEERING:RACK AND PINION. GM: POWER STEERING HARD TO TURN AT SLOW SPEEDS. POSSIBLE VARIABLE EFFORT POWER STEERING SOLENOID VALVE CONNECTOR BACKWARD/REVERSED AT RACK AND PINION CONNECTOR (ON FRAME). *JS
PIT5074F2012-05-24. Service bulletin. ELECTRICAL SYSTEM. GM: J-35616-64B TERMINAL TEST PROBE AND REPLACEMENT TERMINAL. ALSO INCLUDED MODELS VERANO, REGAL, LACROSSE, CTS, SRX, VOLT, SONIC, MALIBU, IMPALA, EQUINOX, CRUZE, AVALANCHE, TAHOE SUBURBAN, SILVERADO, SIERRA, YUKON, AND TERRAIN FOR MODEL YEAR 2013. MODEL ESCALADE MODEL YEAR 2012-2013. MODEL PONTIAC G3 MODEL YEAR 2007. MODEL WAVE MODEL YEARS 2005-2010. DENALI MODELS MODEL YEARS 2007-2013. *JS
PIC5598D2012-05-24. Service bulletin. STEERING:ELECTRIC POWER ASSIST SYSTEM. GM: GUIDELINES FOR NJ1 POWER STEERING POWERPACK (MODULE) REPLACEMENT AND PARTS RESTRICTION INSTRUCTIONS. *JS
PI-04122012-05-14. Service bulletin. ELECTRICAL SYSTEM; ELECTRICAL SYSTEM:12V/24V/48V BATTERY. GENERAL MOTORS: DUE TO THE PARASITIC DRAIN/DISCHARGE ON 2011 VEHICLES AND TRUCKS, A NO CRANK/NO START AND DEAD BATTERY WOULD OCCUR. CADILLAC STS AND CHEVROLET VOLT NOT INCLUDED. *PE
PIT-4893B2012-05-02. Service bulletin. LATCHES/LOCKS/LINKAGES. GM: DOOR LOCK ACTUATORS INOPERATIVE - PASSIVE ENTRY AND/OR BUTTON PRESS. *KB
PIC-56512012-05-02. Service bulletin. STEERING. BUICK/CHEVROLET: INTERMITTENT SERVICE POWER STEERING MESSAGE WITH DTC U0131. *KB
PI-0324-C2012-04-17. Service bulletin. ENGINE AND ENGINE COOLING:ENGINE; POWER TRAIN:AUTOMATIC TRANSMISSION; ENGINE AND ENGINE COOLING. GMC/CHEVROLET/BUICK: TRANSMISSION PUMP NEEDS INSPECTING DUE TO ENGINE CRANKING BUT FAILS TO START, HAS NO FORWARD, NO REVERSE, TRANSMISSION LEAKS, HARD SHIFT AND NO CRANKING. *PE UPDATED 2/25/13. *PE UPDATED 1/29/2014 *JS
PI-0172-C2012-04-04. Service bulletin. STEERING: STEERING WHEEL/HANDLE BAR. BUICK: WHEN STEERING WHEEL IS EITHER TURNED TO LEFT OR RIGHT, THERE IS A SQUAWK OR MOANING OR A GRINDING OF METAL TYPE OF NOISE. *PE UPDATED 11/25/2013 *JS
PIP-49902012-03-13. Service bulletin. ENGINE AND ENGINE COOLING:ENGINE; POWER TRAIN:AUTOMATIC TRANSMISSION. BUICK/CHEVROLET/GMC/PONTIAC/SATURN: SOME MODEL YEAR VEHICLES MAY EXPERIENCE SERVICE ENGINE SOON (SES) LAMP ILLUMINATED. ISSUE MAY BE CAUSED BY THE CONTROL SOLENOID/MODULE ASSEMBLY OR MAY HAVE DAMAGED OR POOR TERMINALS FOR UNDER HOOD FUSE BLOCK. *PE

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