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
| PIC5861 | 2017-08-15. Service bulletin. ELECTRICAL SYSTEM; ENGINE. This Preliminary Information communication provides information to the technician about vehicles that have a Service Engine Soon Malfunction Indicator Lamp on. Technician may find Diagnostic Trouble Code P0442 set. Technician will need to inspect the evaporative pipe has damage and replace if needed. |
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| PIC5870 | 2017-08-15. Service bulletin. VISIBILITY:SUN/MOON ROOF ASSEMBLY. This Preliminary Information communication provides information to the technician about vehicles with radio speakers have poor audio quality, buzz, pop, static type noise or no audio. Technician should inspect the trunk mounted radio amplifier for any signs of moisture. Technician will need to Replace the amplifier if water is present and replace any terminals that have corrosion. Also water test the trunk, sunroof, back glass and roof areas. Technician will need to fix any water leaks and clean out all drain tubes. |
| PIC5869 | 2017-08-15. Service bulletin. EQUIPMENT:ELECTRICAL:RADIO/TAPE DECK/CD ETC.. This Preliminary Information communication provides information to the technician that the compact disc player is unable to pause a song. These vehicles were not built with a pause button. Dealer should communicate to the customer this condition is a normal operating characteristic of their vehicle. |
| PIP4920K | 2017-08-15. Service bulletin. ELECTRICAL SYSTEM; POWER TRAIN; ELECTRICAL SYSTEM:WIRING; ELECTRICAL SYSTEM:12V/24V/48V BATTERY. This Preliminary Information communication advises the technician that the Battery Energy Control Module, Auxiliary Transmission Fluid Pump, Starter Generator, Generator Battery Control Wiring Junction Block, Generator Battery Disconnect Relay, Battery Energy Control Module, Battery Disconnect Switch Wiring Harness, Battery Disconnect Switch Wiring Harness, Generator Battery, and Generator Control and Battery Module will be placed on a parts restriction through General Motors Technical Assistance Center. Dealer will need to contact General Motors Technical Assistance Center for further assistance. |
| PIT5214 | 2017-08-15. Service bulletin. EQUIPMENT. This Preliminary Information communication provides information to the technician about vehicles that have had multiple repair attempts 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. |
| PIT5074G | 2017-08-15. Service bulletin. EQUIPMENT. This Preliminary Information communication provides information to the technician about the use of J-35616-64B terminal test probe, replacement terminals, and terminated leads. The J-35616-64B is the latest test probe released for checking tension or probing the .64 series terminals. The test probe terminal has been released in the terminal repair kit (J-38125-620H) located in Lear Tray 7 part number 963716-2. There are 5 terminated leads in a package part number is 13505346, which can be ordered through your normal General Motors Customer Care and Aftersales parts channel. |
| PIP4902G | 2017-08-15. Service bulletin. EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL. This Preliminary Information communication provides information to the technician that General Motors Technical Assistance Center may ask for Global Diagnostic System 2 Session Log. Technician will need use Global Diagnostic System 2 to send the session logs to General Motors Technical Assistance Center for further assistance on the vehicle in question. |
| PIC5428E | 2017-08-15. Service bulletin. SERVICE BRAKES; WHEELS; ELECTRICAL SYSTEM. This Preliminary Information communication provides information to the technician on how to diagnose and repair vehicles that may have the Antilock Braking System, Service Traction Control System, and/or Service Stabilitrak lights are on. The Electronic Brake Control Module may have one or more of the following Diagnostic Trouble Codes C0035-C0050 with specifically symptom 18, 5A, or 0F. Technician will gain access to the correct wheel bear per the Diagnostic Trouble Code that is set. If debris is found on the magnetic encoder ring it will needed to be cleaned. |
| PIC5520H | 2017-08-15. Service bulletin. ELECTRICAL SYSTEM:12V/24V/48V BATTERY. This Preliminary Information communication advises the technician that the Drive Motor Generator Battery Module and Drive Motor Generator Battery Sections for the 2012 - 2013 Buick LaCrosse, Buick Regal, 2012 - 2013 Chevrolet Malibu ECO and 2013 Chevrolet Impala with eAssist are being placed on restriction through the General Motors Technical Assistance Center. Dealer will need to contact General Motors Technical Assistance Center for further assistance. |
| PIC5282A | 2017-08-15. Service bulletin. STRUCTURE:BODY:DOOR. This Preliminary Information communication provides information to the technician about vehicles that have the outside door handle chrome strip loose or detached from the handle. Dealer should order a replacement door handle and transfer the chrome strip from the replacement part to the handle. |
| PIT4720C | 2017-08-15. Service bulletin. EQUIPMENT; ELECTRICAL SYSTEM: INSTRUMENT CLUSTER/PANEL. This Preliminary Information communication provides information to the technician that after replacing the Instrument Panel Cluster the exchange center is unable to program the actual mileage on the odometer or the actual mileage is unknown. Dealer will need to follow dealer to the General Motors service policies and procedures manual section 3.2.4 odometer servicing. |
| PIC5883 | 2017-08-15. Service bulletin. EQUIPMENT:ELECTRICAL; EQUIPMENT:ELECTRICAL:RADIO/TAPE DECK/CD ETC.. This Preliminary Information communication provides information to the technician about vehicles that have poor AM or FM radio reception. Technician will need to use Global Diagnostic System 2 and check the radio signal strength and compare with a like vehicle. If signal strength values are low on a strong radio station, inspect for proper orientation of the antenna connector at the back glass antenna grid. |
| PIC5670A | 2017-08-15. Service bulletin. ELECTRICAL SYSTEM:WIRING:FUSES AND CIRCUIT BREAKERS. This Preliminary Information communication provides information to the technician about vehicles that after several hours of dingy towing the vehicle's battery goes completely dead. Dealer should advise the customer that if they use key to start the vehicle to pull Fuse #22 while towing. Dealer should advise the customer that have Push-To-Start to disconnect the negative battery cable. |
| PIC5322C | 2017-08-15. Service bulletin. SEATS; ELECTRICAL SYSTEM. This Preliminary Information communication advises the technician of a customer concern where the heated seat indicator light is not functioning or the heated seats are not up to operating temperature during a remote vehicle start event. This is normal operation of the heated seat during a remote vehicle start event. The electronic climate control module is not in a complete wake up state during a remote vehicle start mode and will not enable the light emitting diode. After a cold soak below 32 degrees Fahrenheit the seat will not get hot in the 10 minutes or less of the remote vehicle start mode. This is due to the fact that the heat element is not in direct contract with the seat surface while the seat is unoccupied and the foam below the heater is full cold insulating air which takes time to heat up. Technician is to communicate to the customer this condition is a normal operating characteristic of their vehicle. It will not impact the designed performance or reliability of the vehicle. Please share this information with the customer, including a copy of this message. |
| PIC5317A | 2017-08-15. Service bulletin. WHEELS. This Preliminary Information communication provides information to the technician about vehicles that may have a tapping heard inside the vehicle. Technician should inspect for insulators being securely in place behind front wheel liners and reposition as necessary and or replace push pins as necessary. |
| PIC5852 | 2017-08-15. Service bulletin. ELECTRICAL SYSTEM. This Preliminary Information communication provides information to the technician about vehicles that when attempting to start vehicle "No Fob Detected" message is displayed. Technician will find the Key FOB works and the vehicle will start with the key FOB is placed in the pocket. Technician will need to replace the Key FOB with the Key FOB with Passive Entry Passive Start. |
| PIP5029C | 2017-08-15. Service bulletin. ENGINE AND ENGINE COOLING. This Preliminary Information communication provides information to the technician about vehicles that have a Malfunction Indicator Lamp on or engine misfire, rough idle, extended crank, or crank no start in some cases. Technician will need to perform published Service Information diagnostics. If technician finds carbon an upper engine and valve cleaning should be performed. |
| PIT5030E | 2017-08-15. Service bulletin. ELECTRICAL SYSTEM:IGNITION; EQUIPMENT; ELECTRICAL SYSTEM:IGNITION:SWITCH. This Preliminary Information communication provides information to the technician about vehicles that have an intermittent no crank. Dealer will ensure the customer is fully extending the key. |
| PIC4788E | 2017-08-15. Service bulletin. EQUIPMENT ADAPTIVE/MOBILITY. This Preliminary Information communication provides information to the technician of diagnostic instructions to take when the key will not fold into the fob or will not stay in the folded position. The technician may comment that the key in the fob will not fold close or stay latched closed. Damage to the folding mechanism could result from storing the key in the door lock cylinder and accidently bumping or making contact with the key fob. Please advise all dealer personnel to refrain from storing the key in the door lock even for brief periods. |
| PIC4707D | 2017-08-15. Service bulletin. EQUIPMENT:ELECTRICAL:NAVIGATIONAL SYSTEM(GLOBAL POSITIONING SYSTEM). This Preliminary Information communication provides information to the technician about vehicles that have at times the XM Traffic or Weather for the local area takes several minutes to update and may read "NO DATA" or "UPDATING" during that time. Technician should be advised that Traffic and Weather data from local reporting stations and then send the updated info process may take up to 24 minutes. Technician should test for full operation of the XM band if the system has not started receiving the Traffic and weather update within 30 minutes. Also ensure the customer has not shut XM NavTraffic off in the user settings of the navigation radio. Technician will need to contact XM customer assistance to review the account status and verify that the XM Traffic option has been enabled and is available in the area. |
| PIC5626A | 2017-08-15. Service bulletin. ELECTRICAL SYSTEM:12V/24V/48V BATTERY; ELECTRICAL SYSTEM; EQUIPMENT. This Preliminary Information communication provides information to the technician about vehicles that have the 12V Battery is discharged with a Service Charging System Message, a Malfunction Indicator Lamp and Red Battery Light on. Technician may find Diagnostic Trouble Codes P0A8F and P062F. Technician will need to duplicate the concern. Technician will need to check Make certain that the plastic flashing of the fuse block is not preventing the fuse to fully seat against the bar in the Fuse Block and the nut is fully seated against the fuse, the fuse nut is properly torqued to specification 4.7 newton meter, test for battery voltage on each side of the fuse, test the voltage drop of each fuse, and make sure the Accessory Power Module cable connections and cable crimps at the Starter Generator Control Module / Accessory Power Module output terminal and Underhood Bussed Electrical center. Technician should replace any fuse that show voltage stress. |
| PIC5520G | 2017-08-15. Service bulletin. ELECTRICAL SYSTEM; ELECTRICAL SYSTEM:PROPULSION SYSTEM:TRACTION BATTERY; ELECTRICAL SYSTEM:12V/24V/48V BATTERY. This Preliminary Information communication advises the technician that the Drive Motor Generator Battery Module and Drive Motor Generator Battery Sections for the 2012 - 2013 Buick LaCrosse, Buick Regal, and 2012 - 2013 Chevrolet Malibu ECO with eAssist are being placed on restriction through the General Motors Technical Assistance Center. Dealer will need to contact General Motors Technical Assistance Center for further assistance. |
| PIP5033C | 2017-08-15. Service bulletin. ELECTRICAL SYSTEM:SOFTWARE; ELECTRICAL SYSTEM; ELECTRICAL SYSTEM:12V/24V/48V BATTERY. This Preliminary Information communication provides information to the technician about vehicles that may have Malfunction Indicator Lamp on or Service Charging System message. Technician may find Diagnostic Trouble Codes P1EAB, P1B33, P1B34, P1B35, P1B36, P1B37, P1B38, and or P1B39. If Service Information diagnostics lead to the replacement of the Battery Energy Control Module, technician should not replace the entire Powerpack or the Battery Energy Control Module. The Battery Energy Control Module should be Service Programming System programmed with the latest software available. |
| PIP4924C | 2017-08-15. Service bulletin. FUEL SYSTEM, GASOLINE; FUEL SYSTEM, GASOLINE:FUEL INJECTION SYSTEM; ELECTRICAL SYSTEM:WIRING. This Preliminary Information communication provides information to the technician about vehicles that have Service Engine Soon Malfunction Indicator Lamp on and a misfire. Technician may find Diagnostic Trouble Codes P0201, P0202, P0203, P0204, P0205, P0206, P0261, P0262, P0264, P0265, P0267, P0268, P0270, P0271, P0273, P0274, P0276, P0277, P2146, P2149, P2152, P2155, P216A, and or P216D. Technician will need to inspect the fuel injector wiring harness for rub through or internal wire opens. If this concern is found repair or replace the injector harness as needed. |
| PIP4964B | 2017-08-15. Service bulletin. ENGINE AND ENGINE COOLING:EXHAUST SYSTEM; FUEL SYSTEM, GASOLINE:FUEL INJECTION SYSTEM; FUEL SYSTEM, GASOLINE. This Preliminary Information communication provides information to the technician about vehicles that have a Service Engine Soon Malfunction Indicator Lamp on. Technician will find Diagnostic Trouble Code P2097 or P2099. Technician will need to perform an injector balance or Active Fuel Injector Tester prior to going further. Technician will also need to check for a small leak in the exhaust if published Service Information diagnostics does not lead to a resolution. |
The summaries are NHTSA's. Each bulletin's page links NHTSA's copy of the manufacturer's document.