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Service bulletins for the 2012 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.

1830 on file from NHTSA, as of 2026-10-19.

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Bulletins, newest first
PIP-4989-B2012-06-18. Service bulletin. ELECTRICAL SYSTEM:12V/24V/48V BATTERY; ENGINE AND ENGINE COOLING:ENGINE:GASOLINE:BELTS AND ASSOCIATED PULLEYS; ELECTRICAL SYSTEM:ALTERNATOR/GENERATOR/REGULATOR. BUICK/CHEVROLET: ON CERTAIN EASSIST VEHICLES, BELT FOR THE DRIVE MOTOR GENERATOR MAY BE NOISY, BROKEN, MISALIGNED OR WORN, RESULTING IN A NO CHARGE CONCERN WITH THE MESSAGE, BATTERY SAVER ILLUMINATED. *PE UPDATED ON 5/9/2013. *KB
SB-120822012-06-18. Service bulletin. POWER TRAIN:CLUTCH ASSEMBLY. GM: SERVICE UPDATE FOR INVENTORY VEHICLES ONLY. REAR DIFFERENTIAL MODULE SEAL LEAK. EXPIRES MAY 31,2013. THIS BULLETIN PROVIDES A SERVICE PROCEDURE TO REPLACE THE CLUTCH PISTON SEAL IN THE REAR DIFFERENTIAL MODULE. *JS
PIC-56752012-06-18. Service bulletin. STRUCTURE:BODY:DOOR; LATCHES/LOCKS/LINKAGES:DOORS:LATCH. BUICK/CHEVROLET: VEHICLES BUILT WITH INCORRECT LINKAGE OR LINKAGES WHICH CAUSES AUTO DOOR LOCK/UNLOCK FEATURE TO BECOME INOPERATIVE AND/OR POWER LOCKS CYCLE. *PE
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
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
SB-120322012-05-01. Service bulletin. ENGINE AND ENGINE COOLING:ENGINE. SERPENTINE BELT SEPARATION. *KB
PI0670B2012-05-01. Service bulletin. POWER TRAIN:AUTOMATIC TRANSMISSION:LEVER AND LINKAGE:COLUMN SHIFT. GM: DIAGNOSTIC TIPS FOR DTC P0776, SLIPS WHEN REVERSE IS SELECTED OR NO REVERSE. SLIP OR FLARE WHEN SHIFTING INTO THIRD/ FIFTH GEAR OR NO THIRD/FIFTH GEAR. ALSO INCLUDED MODEL CHEVROLET CAPTIVA SPORT MODEL YEAR 2012. MODEL CHEVROLET ORLANDO (CANADA) MODEL YEAR 2012. *JS
120132012-04-30. Service bulletin. ELECTRICAL SYSTEM:12V/24V/48V BATTERY. GM: SERVICE UPDATE FOR INVENTORY VEHICLES ONLY BATTERY DRAIN- REPLACE BATTERY POWER INVERTER MODULE EXPIRES FEBRUARY 28, 2013. SERVICE UPDATE FOR VEHICLES EQUIPPED WITH EASSIST (LUK). *JS
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-06712012-04-17. Service bulletin. STEERING:HYDRAULIC POWER ASSIST:PUMP; STEERING:HYDRAULIC POWER ASSIST:POWER STEERING FLUID. GENERAL MOTORS: RESERVOIR FOR POWER STEERING FLUID IS HEAT DAMAGED AND LEAKING. MAY CAUSED PROBLEMS WITH POWER STEERING PUMP. *PE
PI-06702012-04-17. Service bulletin. POWER TRAIN:AUTOMATIC TRANSMISSION. GMC/BUICK/CHEVROLET: TRANSMISSION SLIPS WHEN IN REVERSE OR NOT IN REVERSE, 3RD GEAR OR NO 3RD GEAR, FLARE SHIFTING TO 5TH OR NO 5TH GEAR. *PE UPDATED 4/17/12. *PE
PI-06582012-04-13. Service bulletin. FUEL SYSTEM, OTHER:STORAGE:FUEL GAUGE SYSTEM. CHEVROLET/BUICK/GMC/CADILLAC: FUEL GAUGE HAS AN INCORRECT READING AFTER FILLING OR FUEL LEVEL SLOW TO REGISTER OR DISPLAY AFTER VEHICLE HAS STARTED. *PE
PIP-49932012-04-05. Service bulletin. POWER TRAIN:AUTOMATIC TRANSMISSION:CONTROL MODULE (TCM/PCM/TECM). BUICK/CHEVROLET: DUE TO A COLLISION THAT CAUSED CONTACTORS TO OPEN, SERVICE CHARGING SYSTEM MESSAGE, MIL MAY BE INOPERATIVE. *PE
PIP-4624-M2012-04-05. Service bulletin. POWER TRAIN:AUTOMATIC TRANSMISSION. CHEVROLET/BUICK/GMC: RESTRICTION, THROUGH THE PQC, HAS BEEN PLACED ON THE VALVE CONTROL SOLENOID (TEHCM) P/N 24256524 AND 24265367, TO ASSIST ENGINEERING FEEDBACK PRODUCT. *PE
PIC-56262012-04-04. Service bulletin. ELECTRICAL SYSTEM:WIRING:FUSES AND CIRCUIT BREAKERS; ELECTRICAL SYSTEM:12V/24V/48V BATTERY. BUICK/CHEVROLET: DUE TO POOR CONNECTION AT UNDER HOOD FUSE, 175A OR 80A, A 12V BATTERY DISCHARGE, WITH SERVICE CHARGING SYSTEM MESSAGE, APPEARS. *PE
PIP-49922012-04-04. Service bulletin. ENGINE AND ENGINE COOLING:COOLING SYSTEM:FAN; ELECTRICAL SYSTEM:ALTERNATOR/GENERATOR/REGULATOR; ELECTRICAL SYSTEM:12V/24V/48V BATTERY. BUICK/CHEVROLET: THE COOLING FAN MAY BE INOPERATIVE DUE TO LOW SYSTEM VOLTAGE WITH THE BATTERY CONTROL MODULE (HYBRID POWERPACK) AND DRIVE MOTOR GENERATOR. *PE UPDATED /15/12. *PE UPDATED 8/17/12. *PE
PIP-49832012-03-14. Service bulletin. ELECTRICAL SYSTEM:ALTERNATOR/GENERATOR/REGULATOR. BUICK: CHECKING DATE CODE AND THE TESTING OF HIGH VOLTAGE INTERLOCK LOOP (HVIL) COVER RESISTANCE ON CERTAIN MODEL YEAR VEHICLES. *PE
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
SB-11295-A2012-02-06. Service bulletin. ENGINE AND ENGINE COOLING:ENGINE. BUICK: INFORMATION PERTAINING TO AN UPDATES ON REPROGRAMMING ENGINE CONTROL MODULE (ECM) TO VERIFY TORQUE ON BELT TENSIONER STOP BOLT AND INSPECTION OF TERMINAL WELDS ON MOTOR GENERATOR. *PE UPDATED 3/12/12. *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-49582011-10-04. Service bulletin. PARKING BRAKE. BUICK: THE ELECTRONIC PARKING BRAKE (EPB) MODULE MESSAGE IS ON. *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

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