Service bulletins for the 2016 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.
1240 on file from NHTSA, as of 2026-10-19.
By type
By component
By trouble code
By topic
Only bulletins with component: Electrical system are shown. Show all
| PIC6186B | 2016-10-26. Service bulletin. EQUIPMENT:ELECTRICAL:RADIO/TAPE DECK/CD ETC.; ELECTRICAL SYSTEM. THIS PRELIMINARY INFORMATION COMMUNICATION ADVISES THE TECHNICIAN TO CONTACT GM TECHNICAL ASSISTANCE CENTER TO REPORT THE CONCERN AND OBTAIN A CASE NUMBER WHEN A CUSTOMER MAY COMMENT THAT THEY WILL HAVE THE RADIO SHUT OFF, AND WHEN RESTARTING THE VEHICLE THE RADIO WILL TURN ON UNWANTED. |
|---|---|
| PIC6186A | 2016-10-26. Service bulletin. EQUIPMENT:ELECTRICAL:RADIO/TAPE DECK/CD ETC.; ELECTRICAL SYSTEM. THIS PRELIMINARY INFORMATION COMMUNICATION IS TO CONTACT GM TECHNICAL ASSISTANCE CENTER TO REPORT THE CONCERN AND OBTAIN A CASE NUMBER. CUSTOMERS MAY COMMENT THAT THEY WILL HAVE THE RADIO SHUT OFF, AND WHEN RESTARTING THE VEHICLE THE RADIO WILL TURN ON UNWANTED. |
| PIC6078B | 2016-10-25. Service bulletin. EQUIPMENT; ELECTRICAL SYSTEM:SOFTWARE. THIS PRELIMINARY INFORMATION COMMUNICATION PROVIDES INFORMATION ON GENERAL MOTORS ENGINEERING IS CURRENTLY WORKING ON INTEGRATED CENTER STECHNICAL ASSISTANCE CENTERK SOFTWARE. CUSTOMER'S TOUCH SCREEN WILL NOT WORK WHEN IT IS TOUCHED. |
| PIC4935E | 2016-10-25. Service bulletin. ELECTRICAL SYSTEM. THIS PRELIMINARY INFORMATION COMMUNICATION PROVIDES INFORMATION TO HELP THE DEALERSHIP TECHNICIANS PERFORM A PARASITIC DRAIN TEST FOR THE ONSTAR MODULE. WHEN PERFORMING BATTERY PARASITIC DRAIN TEST, THERE MAY BE SOME CONFUSION AS TO WHAT THE NORMAL POWER CONSUMPTION READING SHOULD BE FROM THE ONSTAR SYSTEM. |
| PIT5074J | 2016-10-21. Service bulletin. ELECTRICAL SYSTEM. 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 |
| PIP5373A | 2016-10-20. Service bulletin. ELECTRICAL SYSTEM. THIS PRELIMINARY INFORMATION COMMUNICATION PROVIDES THE TECHNICIAN WITH STEPS ON HOW TO PROGRAM AN ENGINE CONTROL MODULE WHEN GETTING A SERVICE PROGRAMMING SYSTEM ERROR CODE E4491 OR E4423. IN SOME CASES TECHLINE CUSTOMER SUPPORT CENTER MAY NEED TO BE CONTACTED TO RESOLVE THE ISSUE. |
| 140089004B | 2016-10-19. Service bulletin. EQUIPMENT; ELECTRICAL SYSTEM. THIS INFORMATIONAL BULLETIN PROVIDES INFORMATION FOR IGNITION KEY, FOB, KEY TAGS AND KEY RINGS CONFIGURATION FOR VARIOUS VEHICLES AND APPLYING A QR CODE STICKER OR BARCODE STICKER TO THE FOB. |
| 110849001S | 2016-10-19. Service bulletin. ELECTRICAL SYSTEM. THIS TECHNICAL BULLETIN PROVIDES A PROCEDURE TO REMOVE THE TRANSPORT MODE ON MESSAGE DISPLAYED IN THE DIC DUE TO VEHICLES SHIPPED OVER LONG DISTANCES OUTSIDE THE U.S. AND CANADA. |
| 030603004R | 2016-10-18. Service bulletin. ENGINE; ELECTRICAL SYSTEM:12V/24V/48V BATTERY. THIS INFORMATIONAL BULLETIN PROVIDES INFORMATION ON HOW TO TEST A BATTERY AND WHAT IS NEEDED TO WARRANTY A BATTERY. |
| 16NA241 | 2016-10-14. Service bulletin. ELECTRICAL SYSTEM. THIS TECHNICAL BULLETIN PROVIDES A PROCEDURE TO CHECK THE CYLINDERS FOR DAMAGED PISTONS AND DETERMINE IF THE USE OF AFTERMARKET CALIBRATIONS OR PERFORMANCE PARTS MAY BE THE CAUSE. |
| 11-08-49-001Q | 2016-10-03. Service bulletin. ELECTRICAL SYSTEM. THIS INFORMATIONAL BULLETIN PROVIDES INFORMATION ON THE IDENTIFICATION OF VEHICLES THAT ARE SHIPPED WITH THE TRANSPORT MODE ON AND HOW TO TURN IT OFF. |
| 16-NA-143 | 2016-10-03. Service bulletin. ELECTRICAL SYSTEM. THIS TECHNICAL BULLETIN PROVIDES A PROCEDURE TO REPROGRAM THE RADIO TO CORRECT A CUSTOMER CONCERN THAT THE TOUCH SCREEN SELECTION MAY HIGHLIGHT WHEN PRESSED BUT NOT RESPOND UNLESS PRESSED SEVERAL TIMES IN SUCCESSION CAUSED BY TO THE CURRENT SOFTWARE CALIBRATION WITHIN THE RADIO. |
| PIP5094A | 2016-09-26. Service bulletin. ELECTRICAL SYSTEM. THIS PRELIMINARY INFORMATION COMMUNICATION ADVISES THE TECHNICIAN THAT ,WHEN TESTING ANY CIRCUIT FOR OPEN OR RESISTANCE, IT IS IMPERATIVE THAT ALL RELATED TERMINAL PIN FIT AND TENSION BE CHECKED WHEN THE TEST STEPS REQUIRE DISCONNECTION OF THE CONNECTOR OR COMPONENT, PRIOR TO ANY COMPONENT REPLACEMENT. ALWAYS USE THE RECOMMENDED TERMINAL TEST TOOL DURING THESE TESTS. |
| PIC5520U | 2016-09-21. Service bulletin. ELECTRICAL SYSTEM:12V/24V/48V BATTERY. THIS PRELIMINARY INFORMATION COMMUNICATION ADVISES THE TECHNICIAN EASSIST DRIVE MOTOR GENERATOR BATTERY MODULE PARTS RESTRICTION HAS ENDED. TO ORDER THE EASSIST DRIVE MOTOR GENERATOR BATTERY SECTION DEALER WILL NEED TO CALL THE BATTERY SERVICE CENTER. |
| PIT-5301-A | 2016-08-25. Service bulletin. ELECTRICAL SYSTEM; EQUIPMENT:ELECTRICAL:RADIO/TAPE DECK/CD ETC.. THIS PRELIMINARY INFORMATION COMMUNICATION ADVISES THE TECHNICIAN THAT DIAGNOSTIC TROUBLE CODE B127E IN THE HUMAN MACHINE INTERFACE WITH REGULAR PRODUCTION OPTION CODE U42 OR UWG WILL BE CURRENT WHEN PLAYING A DVD OR BLU-RAY ON THE INTEGRATED CENTER STACK DISPLAY. WHEN THE DISC IS EJECTED THE DIAGNOSTIC TROUBLE CODE WILL BE HISTORY. IF THE DIAGNOSTIC TROUBLE CODE B127E REMAINS CURRENT AFTER EJECTING THE DISC FOLLOW SERVICE INFORMATION DIAGNOSTIC PROCEDURE INSTRUCTIONS FOR B127E WITH REGULAR PRODUCTION OPTION CODE U42 OR UWG. |
| PIC-6201 | 2016-08-25. Service bulletin. ELECTRICAL SYSTEM. THIS PRELIMINARY INFORMATION COMMUNICATION PROVIDES THE TECHNICIAN WITH THE STEPS NEEDED TO DIAGNOSE AND REPAIR A VEHICLE WITH WI-FI OR BLUETOOTH INOPERATIVE OR POOR PERFORMANCE CONCERN. TECHNICIAN WILL NEED TO OBTAIN DATA FROM GLOBAL DIAGNOSTICS SERVICES 2 AND CALL GENERAL MOTORS TECHNICAL ASSISTANCE CENTER FOR FURTHER ASSISTANCE. |
| PIP-5394 | 2016-08-24. Service bulletin. ELECTRICAL SYSTEM:12V/24V/48V BATTERY. THIS PRELIMINARY INFORMATION COMMUNICATION ADVISES THE TECHNICIAN THAT THE EASSIST DRIVE MOTOR GENERATOR BATTERY SECTION ARE NO LONGER ON RESTRICTION AND DOES NOT REQUIRE GENERAL MOTORS TECHNICAL ASSISTANCE CENTER CASE NUMBER. |
| PIC-6078-B | 2016-08-17. Service bulletin. ELECTRICAL SYSTEM; EQUIPMENT. THIS PRELIMINARY INFORMATION COMMUNICATION PROVIDES INFORMATION ON GENERAL MOTORS ENGINEERING IS CURRENTLY WORKING ON INTEGRATED CENTER STECHNICAL ASSISTANCE CENTERK SOFTWARE. CUSTOMER'S TOUCH SCREEN WILL NOT WORK WHEN IT IS TOUCHED. |
| PIC-4935-E | 2016-08-17. Service bulletin. ELECTRICAL SYSTEM:12V/24V/48V BATTERY; ELECTRICAL SYSTEM. THIS PRELIMINARY INFORMATION COMMUNICATION PROVIDES INFORMATION TO HELP THE DEALERSHIP TECHNICIANS PERFORM A PARASITIC DRAIN TEST FOR THE ONSTAR MODULE. WHEN PERFORMING BATTERY PARASITIC DRAIN TEST, THERE MAY BE SOME CONFUSION AS TO WHAT THE NORMAL POWER CONSUMPTION READING SHOULD BE FROM THE ONSTAR SYSTEM. |
| PIC-5260-A | 2016-08-11. Service bulletin. STRUCTURE:BODY; ELECTRICAL SYSTEM; VISIBILITY:SUN/MOON ROOF ASSEMBLY. THIS PRELIMINARY INFORMATION COMMUNICATION ADVISES THE TECHNICIAN THE STEPS ON DIAGNOSING THE CONCERN. VEHICLE'S SUNROOF OPERATION INTERMITTENT, BIND, NOISE, AUTO-REVERSE, AND/OR WATER LEAKS. |
| PIC-6187-A | 2016-08-10. Service bulletin. EQUIPMENT; EQUIPMENT ADAPTIVE/MOBILITY; ELECTRICAL SYSTEM:SOFTWARE. THIS PRELIMINARY INFORMATION COMMUNICATION IS TO CONTACT GM TECHNICAL ASSISTANCE CENTER TO REPORT THE CONCERN AND OBTAIN A CASE NUMBER. THE CUSTOMER IS UNABLE TO SELECT RADIO PRESETS FROM THE USB OR SD CARD AS THEY ARE GREYED OUT. |
| SB-15-06-03-001B | 2016-08-09. Service bulletin. ELECTRICAL SYSTEM:12V/24V/48V BATTERY. THIS INFORMATIONAL BULLETIN PROVIDES INFORMATION THAT MAY BE USEFUL ON DIAGNOSING BATTERIES THAT HAVE SET FOR A LONG PERIOD OF TIME AND/OR SET IN COLD WEATHER CLIMATES AND TESTING THOSE BATTERIES. |
| SB-03-06-03-004Q | 2016-08-09. Service bulletin. ELECTRICAL SYSTEM:12V/24V/48V BATTERY; EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL. THIS WARRANTY ADMINISTRATION BULLETIN PROVIDE POLICY INFORMATION ON USING THE EL-50313 MIDTRONICS GR8 BATTERY TESTER/CHARGER FOR DIAGNOSING BATTERY REPLACEMENTS AND MAINTAINING BATTERIES ON NEW VEHICLES IN DEALER INVENTORY. |
| SB-06-08-47-001L | 2016-08-09. Service bulletin. ELECTRICAL SYSTEM:SOFTWARE. THIS INFORMATIONAL BULLETIN PROVIDES WARRANTY INFORMATION ON USING THE SERVICE PROGRAMMING SYSTEM (SPS) FOR PROGRAMMING CONTROL MODULES |
| SB-16-NA-107 | 2016-08-05. Service bulletin. ELECTRICAL SYSTEM:SOFTWARE; ELECTRICAL SYSTEM. THIS TECHNICAL BULLETIN PROVIDES A PROCEDURE TO REPROGRAM THE RADIO TO CORRECT A CUSTOMER CONCERN OF RADIO INOPERATIVE, BLUE SCREEN, AM CLIPPING NOISE, HD ON/OFF STATUS NOT RETAINED IN STATIONS, TIME LAG ON TRANSITIONS, NO AUDIO WITH INTERNAL AMP, PARK ASSIST SYMBOL POSITION WRONG IN REAR VIEW CAMERA. |
The summaries are NHTSA's. Each bulletin's page links NHTSA's copy of the manufacturer's document.