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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.

By type

By component

By trouble code

By topic

Bulletins, newest first
PIT5119B2023-12-26. Service bulletin. UNKNOWN OR OTHER; ELECTRICAL SYSTEM:IGNITION:ANTI-THEFT:IMMOBILIZER/PROXIMITY:KEY/SENDER. Intermittent Remote Keyless Entry Inoperative.
PIT5076C2023-12-26. Service bulletin. UNKNOWN OR OTHER; STEERING:ELECTRIC POWER ASSIST SYSTEM; ELECTRICAL SYSTEM. Learning Issues When Repairing Service Stability/Traction Message.
PIT5074H2023-12-26. Service bulletin. EQUIPMENT; ELECTRICAL SYSTEM. J-35616-64B Terminal Test Probe / Replacement Terminal / Terminated Lead.
PIT5074G2023-12-26. Service bulletin. UNKNOWN OR OTHER; EQUIPMENT:ELECTRICAL. Terminal Test Probe And Replacement Terminal.
PIT5063C2023-12-26. Service bulletin. ELECTRONIC STABILITY CONTROL:AUTOMATIC (ASC); STEERING. Service Steering Message or Service Stability Message.
PIT5030E2023-12-26. Service bulletin. ELECTRICAL SYSTEM. Intermittent No Crank When Ignition Key Is Turned To The Crank.
PIT4945E2023-12-26. Service bulletin. EQUIPMENT; ELECTRICAL SYSTEM. Diagnostic Tip - Unable to Learn RKE Transmitters.
PIT4931C2023-12-26. Service bulletin. LATCHES/LOCKS/LINKAGES; STRUCTURE; STRUCTURE:BODY:DOOR. A Door May Not Open With The Outside Handle And/Or The Inside Handle.
PIT4913E2023-12-26. Service bulletin. SEATS; ELECTRICAL SYSTEM. Normal Characteristic - Memory Seat Recall Inoperative From Key Fob.
PIT4911S2023-12-26. Service bulletin. EQUIPMENT:ELECTRICAL:RADIO/TAPE DECK/CD ETC.; EQUIPMENT; EQUIPMENT:ELECTRICAL:NAVIGATIONAL SYSTEM(GLOBAL POSITIONING SYSTEM). Navigation Radio Radio And Integrated Center Stack
PIT4864F2023-12-26. Service bulletin. EQUIPMENT. Information On Requests To Add OnStar Bluetooth Option.
23-NA-2192023-12-21. Service bulletin. EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL; EQUIPMENT. This service bulletin provides information on Concerns or Questions Regarding Installation of Dealer Installed Accessories.
21-NA-1472023-12-19. Service bulletin. ENGINE AND ENGINE COOLING. This service bulletin provides a repair procedure to correct a customer concern of Coolant and/or Oil Leak, Malfunction Indicator Lamp (MIL) Illuminated.
PIT5214F2023-12-18. Service bulletin. SUSPENSION. This Preliminary Information communication provides information to the technician about vehicles that have had multiple repair attempts that 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 complaint, contact General Motors Technical Assistance Center for further support. For any vehicles that remains unrepaired after being at the dealer for three days or more and a related bulletin or PI is not found, contact General Motors Technical Assistance Center for further support.
20-NA-1322023-12-15. Service bulletin. ENGINE AND ENGINE COOLING; EQUIPMENT; ELECTRICAL SYSTEM. This warranty administration bulletin provides policy information on the requirements for 12V battery testing and warranty replacements.
PIT5119B2023-12-11. Service bulletin. LATCHES/LOCKS/LINKAGES:DOORS:LOCK. Intermittent Remote Keyless Entry Inoperative.
PIT5099A2023-12-11. Service bulletin. VISIBILITY:DEFROSTER/DEFOGGER/HVAC SYSTEM. A/C Blows Warm Or Poor Performance.
PIT5076C2023-12-11. Service bulletin. EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL. Learning Issues When Repairing Service Stability/Traction Message.
PIT5074H2023-12-11. Service bulletin. ELECTRICAL SYSTEM:12V/24V/48V BATTERY; ELECTRICAL SYSTEM. J-35616-64B Terminal Test Probe / Replacement Terminal / Terminated Lead.
PIT5074G2023-12-11. Service bulletin. ELECTRICAL SYSTEM; ELECTRICAL SYSTEM:12V/24V/48V BATTERY. Terminal Test Probe And Replacement Terminal.
PIT5063C2023-12-11. Service bulletin. STEERING. Service Steering Message or Service Stability Message.
PIC5720A2023-12-11. Service bulletin. SERVICE BRAKES, HYDRAULIC:POWER ASSIST. Hum or Buss Noise front break assist.
PIC5692B2023-12-11. Service bulletin. SERVICE BRAKES, HYDRAULIC. Brake Pedal Does Not Raise After Apply, Brakes Remain Applied Or Brake Lights On
PIC5687D2023-12-11. Service bulletin. EQUIPMENT:ELECTRICAL:INFOTAINMENT:SOFTWARE. Checking Smartphone Bluetooth Software Update Status
PIC5687C2023-12-11. Service bulletin. ELECTRICAL SYSTEM:SOFTWARE. Checking Smartphone Bluetooth Software Update Status

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