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
| 010089010M | 2019-03-18. Service bulletin. EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL. This informational bulletin provides information on comebacks prevention information and using customer concern verification sheets (CCVS). |
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| PIC5466B | 2019-03-18. Service bulletin. VISIBILITY:SUN/MOON ROOF ASSEMBLY. This PI informs dealer that if the Sunroof glass is out of time, sunroof glass motor lost synchronization to refer to the data in GDS2 to verify the glass is in the correct position and if not to perform the Sunroof Motor/Actuator Initialization/Teach Process following Document ID: 3752319. |
| PIT5214D | 2019-03-18. 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. |
| PIC5650F | 2019-03-18. Service bulletin. ENGINE AND ENGINE COOLING. This Preliminary Information communication provides information to the technician about vehicles that have an intermittent no crank, no start, or start stall concern with the security light coming on. Technician may find Diagnostic Trouble Codes B3055, B3060, and/or B3935. Technician should not replace any parts for this concern. If unable to duplicate the concern ask if the customer uses any Radio Frequency Identification Devices when the concern is present. Dealer should also direct their customers to the appropriate section in the Owner manuals that references that the device complies. |
| PIP5540B | 2019-03-18. Service bulletin. ENGINE AND ENGINE COOLING. This Preliminary information communicates to the technician the need to inspect the induction system for potential icing issues in very cold ambient temperatures. To allow the ice to melt so that it can be drained from the related components. That any of the listed DTC's may set with or without poor engine performance. |
| PIP4925B | 2019-03-18. Service bulletin. ENGINE AND ENGINE COOLING:EXHAUST SYSTEM:EMISSION CONTROL. This preliminary information document communicates a tip on the way to diagnose possible induction or exhaust air leaks using the evaporative emission cart smoke machine and ultrasonic leak detector tools. |
| PIC4996B | 2019-03-11. Service bulletin. FUEL SYSTEM, GASOLINE. This PI offers diagnostic tips to a technician when diagnosing a possible fuel level sensor concern. The tech is advised to ohm test the sensor at the terminals located on top of the fuel module while performing a sweep test. If the test fails the technician is instructed to replace the sensor and then perform the sweep test again. If the test passes the technician is instructed to reinstall the fuel module in the tank and if the test fails with the new sensor the technician is advised to replace the fuel module. |
| PIT4945H | 2019-03-11. Service bulletin. EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL. This Preliminary Information communication provides information to the technician being unable to program fobs to the vehicle. Technician will need to ensure the key FOB is a new unit and has not been programmed to another vehicle previously. |
| PIP5540D | 2019-03-11. Service bulletin. ENGINE AND ENGINE COOLING. This Preliminary information communicates to the technician the need to inspect the induction system for potential icing issues in very cold ambient temperatures. To allow the ice to melt so that it can be drained from the related components. That any of the listed DTC's may set with or without poor engine performance. |
| PIP5528A | 2019-03-11. Service bulletin. ENGINE AND ENGINE COOLING. This Preliminary information communicates the identification process for High Feature V6 camshafts in re-manufactured engines. |
| PIP5628 | 2019-03-11. Service bulletin. ENGINE AND ENGINE COOLING. This Preliminary information communicates information that will need to be provided to TAC to aid in diagnosing if a vehicle comes in with misfire and DTC Codes P0300 - P0308 and/or P050D |
| PIP5627 | 2019-03-11. Service bulletin. FUEL SYSTEM, GASOLINE. This Preliminary information communicates to the dealer an issue where the vehicle's inspection and maintenance monitors along with diagnostic trouble codes may reset unprompted due to the installation of an aftermarket fuel pump control module. |
| PIC5656F | 2019-03-11. Service bulletin. EQUIPMENT:APPLIANCE:AIR CONDITIONER. This Preliminary Information communication provides information to the technician about vehicles that have driver and passenger temperatures settings are displayed in Celsius or the outside ambient temperature is missing from the radio / Heater-Vent-Air Conditioning display. Technician will need to use a scan tool to check for Diagnostic Trouble Codes in the Instrument Panel Cluster. If Diagnostic Trouble Code B0158 outside air temperature display malfunction is set check that the outside ambient temperature sensor is connected. If the sensor is connected, check the integrity of circuits 61 and 636 from sensor to the Instrument Panel Cluster or diagnose B0158 per published Service Information. |
| PIC5822F | 2018-12-17. Service bulletin. EQUIPMENT; STRUCTURE. This Preliminary Information communication provides the technician with the steps to diagnose and repair the concern of mildew odor or water on front floor on either side of the vehicle. Technician will gain access to the front wheelhouse of the affected side. The front wheel house flange may have a void in the sealer causing water to leak through and accumulate on the floor or wet carpet will be found. A thumb grade sealer will need to be placed in the void to prevent the water leak into the cabin. |
| PIC4996A | 2018-12-17. Service bulletin. ELECTRICAL SYSTEM; FUEL SYSTEM, GASOLINE. This PI offers diagnostic tips to a technician when diagnosing a possible fuel level sensor concern. The tech is advised to ohm test the sensor at the terminals located on top of the fuel module while performing a sweep test. If the test fails the technician is instructed to replace the sensor and then perform the sweep test again. If the test passes the technician is instructed to reinstall the fuel module in the tank and if the test fails with the new sensor the technician is advised to replace the fuel module. |
| PIT5353C | 2018-12-17. Service bulletin. EQUIPMENT:ELECTRICAL:RADIO/TAPE DECK/CD ETC.. This Preliminary Information communication provides information to the technician about what XM offerings are available for vehicles. A dealer or customer can access the website listed below for vehicle specific XM offerings and availability. |
| PIP5191C | 2018-12-17. Service bulletin. ENGINE. This Preliminary Information communication provides information to the technician about vehicles that have a ticking noise on cold start after sitting more than 6 hours. Technician will inspect the oil pump pick-up tube to block seal being compressed. It the seal is compressed replace the seal and retest. |
| 10-08-110-001B | 2018-12-10. Service bulletin. EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL. This informational bulletin provides information on how to use floor mats. |
| 10-08-44-006C | 2018-12-10. Service bulletin. EQUIPMENT:ELECTRICAL:NAVIGATIONAL SYSTEM(GLOBAL POSITIONING SYSTEM). This informational bulletin provides the technician on what to do if the customer has a navagation concern and submit a feedback form to the GM navigation disc center website. |
| 05-06-04-022K | 2018-12-10. Service bulletin. FUEL SYSTEM, GASOLINE. This informational bulletin provides information on top tier fuels and what brands are available. |
| 07-00-89-036G | 2018-12-10. Service bulletin. EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL. This informational bulletin ask the dealers for digital pictures to better enhance field reports only. |
| 10-00-89-006E | 2018-12-10. Service bulletin. EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL. This information bulletin provides the dealers on how to submit a product information report. |
| 02-00-89-002N | 2018-12-10. Service bulletin. EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL. This informational bulletin provides additional information to the technicians and how to submit a field product report. |
| PIP5601 | 2018-11-13. Service bulletin. EQUIPMENT. This Preliminary information communicates |
| PIT4945G | 2018-11-13. Service bulletin. EQUIPMENT ADAPTIVE/MOBILITY; EQUIPMENT. This Preliminary Information communication provides information to the technician being unable to program fobs to the vehicle. Technician will need to ensure the key FOB is a new unit and has not been programmed to another vehicle previously. |
The summaries are NHTSA's. Each bulletin's page links NHTSA's copy of the manufacturer's document.