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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.

By type

By component

By trouble code

By topic

Bulletins, newest first
PIT5962A2024-01-29. Service bulletin. ELECTRICAL SYSTEM:HAND HEATER:WIRING HARNESS; UNKNOWN OR OTHER. This Preliminary information communicates a GM part number for reflective high temperature heat or insulating tape when repairing wiring harnesses.
22-NA-2402024-01-19. Service bulletin. ENGINE AND ENGINE COOLING. This informational bulletin advises the tech to validate if oil is leaking into the cooling system and to test and verify were to leak is coming from before replacing all the parts that wouldn't apply to the repair.
02-08-42-001J2024-01-19. Service bulletin. EXTERIOR LIGHTING. This informational bulletin provides information for dealers/technicians on Headlamp, Tail Lamp, License Lamp or Fog/Driving Lamp Damage.
142712024-01-16. Service bulletin. EQUIPMENT; STRUCTURE. Power Seat Height Adjuster Bolt
RecallsA2024-01-08. Service bulletin. EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL. Vehicle Recalls
Recalls2024-01-08. Service bulletin. EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL. Vehicle Recalls
PIT5099G2023-12-26. Service bulletin. VISIBILITY:DEFROSTER/DEFOGGER/HVAC SYSTEM. This Preliminary Information communication provides information to the technician about vehicles that the Heater-Vent-Air Conditioning blows warm air. Before calling General Motors Technical Assistance Center technician will need to have high and low pressures, outside temperature, humidity, and vent temperature.
PIP4112T2023-12-26. Service bulletin. ENGINE AND ENGINE COOLING; POWER TRAIN. This Preliminary Information communication provides information to the technician of a complaint of a sag or hesitation when accelerating. The concern is present when coasting at low speeds of less than 15 miles per hour and then aggressively applying the throttle, or after making a hard stop followed by an aggressive throttle. This concern may also be present while cruising at highway speeds and then an aggressive increase in throttle. This is considered normal operation of the vehicle the throttle is delayed and opened slowly up to .7 seconds to help minimize driveline lash and clunking or will have approximately .5 seconds of zero torque to allow the transmission to shift to downshift.
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.

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