WenmarOpen by Wenmar Pro

Service bulletins for the 2011 Buick Regal

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.

1527 on file from NHTSA, as of 2026-10-19.

By type

By component

By trouble code

By topic

Bulletins, newest first
05-03-08-002H2017-08-15. Service bulletin. SUSPENSION:FRONT:SHOCK ABSORBER. This informational bulletin provides information to dealership personnel on diagnosis and replacement of shock absorber and strut due to fluid leak.
05-00-89-055F2017-08-15. Service bulletin. EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL. This warranty administration bulletin provide policy information for GM dealer empowerment program and goodwill procedures.
02-00-89-002P2017-08-15. Service bulletin. EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL. This informational bulletin provides information for dealers/technicians on when and how to submit a field product report.
PIC5492E2017-08-15. Service bulletin. ELECTRICAL SYSTEM. This Preliminary Information communication provides information to the technician about vehicles that have a Diagnostic Trouble Code B101D-37 history in the Vehicle Communication Interface Module or telematics communication interface control module. Engineering has determined that this code will only display in history on the scan tool and will not cause issues with OnStar system operation.
16-NA-2222017-05-25. Service bulletin. ENGINE. THIS INFORMATIONAL BULLETIN PROVIDES THE TECHNICIAN WITH WHAT MAY HAPPEN TO AN ENGINE DUE TO LACK OF MAINTENANCE.
PIP5282A2017-05-18. Service bulletin. ENGINE. THIS PRELIMINARY INFORMATION COMMUNICATION ADVISES THE TECHNICIAN ABOUT THE CALCULATION AND OPERATION OF THE ENGINE OIL LIFE MONITOR. THE MONITOR CALCULATES THE PERCENT OF OIL LIFE REMAINING, BASED ON 3 PATHWAYS. THE FIRST PATHWAY FOR OIL LIFE CALCULATION IS ENGINE REVOLUTIONS. THE SECOND PATHWAY FOR OIL LIFE CALCULATION IS THE MILEAGE FORM THE LAST REST FOR ALL GENERAL MOTORS POWERTRAINS EXCEPT THE VOLT. THE THIRD PATHWAY FOR OIL LIFE CALCULATION IS THE AMOUNT OF TIME THE OIL IS IN THE ENGINE. THE VOLT USES A 2 YEAR TIMER INSTEAD OF 1 YEAR. IT ALSO USES THE ENGINE REVOLUTION COUNTER. IT DOES NOT USE THE MILEAGE PATHWAY TO COUNT DOWN.
PIP5029G2017-05-16. Service bulletin. ENGINE. 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.
G-2103202017-05-11. Service bulletin. EQUIPMENT:ELECTRICAL:NAVIGATIONAL SYSTEM(GLOBAL POSITIONING SYSTEM). 13322A - CUSTOMER SATISFACTION PROGRAM (REVISED SERVICE PROCEDURE). CERTAIN 2010 MODEL YEAR BUICK LACROSSE; CADILLAC SRX; CHEVROLET EQUINOX; GMC TERRAIN AND 2011 MODEL YEAR BUICK LACROSSE; BUICK REGAL; CADILLAC SRX; CHEVROLET CRUZE; CHEVROLET EQUINOX; GMC TERRAIN VEHICLES EQUIPPED WITH NAVIGATION RADIOS MAY EXPERIENCE VARIOUS PERFORMANCE ISSUES INCLUDING CLOCK INACCURACY, NAVIGATION-ROUTE RESETS, LOSS OF RADIO-STATION PRESETS, AND TIME-SHIFT MALFUNCTION (LINK). DEALERS ARE TO INSPECT THE RADIO SOFTWARE VERSION AND, IF NECESSARY, REPROGRAM THE RADIO-CONTROL MODULE AND, IF NECESSARY, RECALIBRATE THE AUDIO SYSTEM.
PI0562E2017-05-10. Service bulletin. EQUIPMENT. THIS PRELIMINARY INFORMATIONAL BULLETIN PROVIDES A PROCEDURE TO REPROGRAM THE ECM FOR CONCERNS REGARDING A LOUD RATTLE NOISE ON START UP THAT STOPS IN 3 SECONDS OR LESS.
PIC5491J2017-05-02. Service bulletin. ELECTRICAL SYSTEM. THIS PRELIMINARY INFORMATION COMMUNICATION PROVIDES INFORMATION TO THE TECHNICIAN ABOUT VEHICLES THAT HAVE AN ONSTAR SYSTEM THAT WILL NOT POWER UP. TECHNICIAN SHOULD TURN OFF THE IGNITION AND CANCEL RETAINED ACCESSORY POWER. AFTER THE VEHICLE HAS POWERED DOWN REMOVE POWER TO THE ONSTAR MODULE FOR FIVE MINUTES. AFTER THE POWER HAS BEEN REMOVED FOR FIVE MINUTES, IF THE ONSTAR SYSTEM IS WORKING RELEASE THE VEHICLE. IF THE ONSTAR SYSTEM IS STILL INOPERATIVE CONTINUE WITH PUBLISHED SERVICE INFORMATION DIAGNOSTICS.
PIC5491J2017-04-10. Service bulletin. ELECTRICAL SYSTEM; EQUIPMENT. THIS PRELIMINARY INFORMATION COMMUNICATION PROVIDES INFORMATION TO THE TECHNICIAN ABOUT VEHICLES THAT HAVE AN ONSTAR SYSTEM THAT WILL NOT POWER UP. TECHNICIAN SHOULD TURN OFF THE IGNITION AND CANCEL RETAINED ACCESSORY POWER. AFTER THE VEHICLE HAS POWERED DOWN REMOVE POWER TO THE ONSTAR MODULE FOR FIVE MINUTES. AFTER THE POWER HAS BEEN REMOVED FOR FIVE MINUTES, IF THE ONSTAR SYSTEM IS WORKING RELEASE THE VEHICLE. IF THE ONSTAR SYSTEM IS STILL INOPERATIVE CONTINUE WITH PUBLISHED SERVICE INFORMATION DIAGNOSTICS.
PIC5453B2017-04-10. Service bulletin. EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL. THIS PRELIMINARY INFORMATION COMMUNICATION PROVIDES INFORMATION TO THE TECHNICIAN THAT GENERAL MOTORS AND GENERAL MOTORS OF CANADA COMPANY DO NOT SUPPORT CROSS BORDER SALES. THE GENERAL MOTORS OF CANADA CUSTOMER CARE CENTRE IS THE SOLE AUTHORIZED PROVIDER OF A CERTIFICATION CONFIRMATION LETTER WHICH HELPS OUR CUSTOMERS IDENTIFY IF THEIR VEHICLES MEETS THE REQUIRED USA REGULATORY STANDARDS NECESSARY FOR IMPORTATION INTO THE USA.
PIT4720D2017-03-22. Service bulletin. ELECTRICAL SYSTEM: INSTRUMENT CLUSTER/PANEL; EQUIPMENT. 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 5.2.4 ODOMETER SERVICING.
PIP5226A2017-03-21. Service bulletin. EQUIPMENT. THIS PRELIMINARY INFORMATION COMMUNICATION PROVIDES INFORMATION TO THE TECHNICIAN ABOUT FINDING NEEDLE BEARINGS DURING AN OIL CHANGE. TECHNICIAN WILL GAIN ACCESS TO THE ROLLER ROCKERS TO INSPECT THEM. ONLY REPLACE THE ROLLER ROCKER THAT IS MISSING NEEDLE BEARINGS. BE SURE TO CLEAN THE OIL DRAINS TO RETRIEVE THE NEEDLE BEARINGS. EACH ROLLER ROCKER HAS 66 BEARINGS.
PIP4990C2017-03-20. Service bulletin. POWER TRAIN:AUTOMATIC TRANSMISSION; ENGINE. THIS PRELIMINARY INFORMATION COMMUNICATION ADVISES THE TECHNICIAN THAT SOME VEHICLES MAY HAVE A SERVICE ENGINE SOON THAT COMES ON. TECHNICIAN MAY FIND A DIAGNOSTIC TROUBLE CODE U0101 CURRENT OR STORED HISTORY. TECHNICIAN SO CHECK TERMINAL PIN FIT AT TRANSMISSION CONNECTOR, UNDER HOOD FUSE BLOCK. ALSO THE TRANSMISSION CONTROL MODULE GROUND WILL NEED TO BE INSPECTED. TECHNICIAN WILL REVIEW THE APPROPRIATE SERVICE INFORMATION DIAGNOSTICS FOR DTC U0101.
PIT3271G2017-03-16. Service bulletin. EQUIPMENT. THIS PRELIMINARY INFORMATION COMMUNICATION PROVIDES INFORMATION TO THE TECHNICIAN ABOUT CHANGING THE TIRE AND WHEEL SIZE ON VEHICLES. GENERAL MOTORS WILL ONLY SUPPORT A TIRE CALIBRATION FOR TIRES THAT HAVE BEEN SIZED, TESTED AND DESIGNED FOR THE VEHICLE IN QUESTION AND ITS APPLICATIONS. TECHNICIAN SHOULD NOT USE THE INFORMATION THAT IS PROVIDED BY THE ANTILOCK BRAKING SYSTEM TIRE SIZE SELECTION.
PIC4310K2017-03-14. Service bulletin. ELECTRICAL SYSTEM. THIS PRELIMINARY INFORMATION COMMUNICATION PROVIDES INFORMATION TO THE TECHNICIAN ABOUT VEHICLE THAT MAY HAVE AN ONSTAR SYSTEM THAT HAS PROGRESSION TONES WHEN PRESSING THE BLUE OR RED BUTTON. TECHNICIAN WILL NEED TO CALL GENERAL MOTORS TECHNICAL ASSISTANCE CENTER WITH THE SCAN TOOL DATA FROM THE ONSTAR SYSTEM.
00-03-10-003U2017-02-21. Service bulletin. EQUIPMENT. THIS WARRANTY ADMINISTRATION BULLETIN PROVIDES INFORMATION ON THE TIRES SUPPLIED WITH A NEW VEHICLE ARE COVERED BY GENERAL MOTORS AGAINST DEFECTS IN MATERIAL OR WORKMANSHIP UNDER THE BUMPER-TO-BUMPER NEW VEHICLE LIMITED WARRANTY.
148822017-02-01. Service bulletin. ENGINE. 14882 - SPECIAL COVERAGE. CERTAIN VEHICLES EQUIPPED WITH A 2.4L ENGINE (LAF, LEA OR LUK) THAT HAVE EXPERIENCED HIGH OIL CONSUMPTION MAY ALSO EXPERIENCE A FROZEN AND/OR PLUGGED PCV (POSITIVE CRANKCASE VENTILATION) SYSTEM DURING COLD WEATHER OPERATION. THIS CONDITION MAY INCREASE CRANKCASE PRESSURE LEADING TO A REAR CRANKSHAFT SEAL OIL LEAK. IF THE OIL LEAK IS IGNORED OR NOT NOTICED, AN ENGINE CLATTER NOISE MAY BE NOTICEABLE AND/OR THE ENGINE PRESSURE WARNING LIGHT MAY ILLUMINATE. IF THIS CONDITION IS NOT CORRECTED, CONTINUED DRIVING WITH ENGINE NOISE AND/OR THE ENGINE OIL PRESSURE LIGHT ILLUMINATED MAY DAMAGE THE ENGINE. DEALERS ARE TO PERFORM A CRANKCASE PRESSURE CHECK, AND IF REQUIRED, REMOVE THE INTAKE MANIFOLD AND CLEAR THE PCV ORIFICE.
13322B2017-01-31. Service bulletin. ELECTRICAL SYSTEM:SOFTWARE. 13322B - CUSTOMER SATISFACTION PROGRAM (REVISED POPULATION AND SERVICE PROCEDURE). CERTAIN 2010 MODEL YEAR BUICK LACROSSE; CADILLAC SRX; CHEVROLET EQUINOX; GMC TERRAIN AND 2011 MODEL YEAR BUICK LACROSSE; BUICK REGAL; CADILLAC SRX; CHEVROLET CRUZE; CHEVROLET EQUINOX; GMC TERRAIN VEHICLES EQUIPPED WITH NAVIGATION RADIOS MAY EXPERIENCE VARIOUS PERFORMANCE ISSUES INCLUDING CLOCK INACCURACY, NAVIGATION-ROUTE RESETS, LOSS OF RADIO-STATION PRESETS, AND TIME-SHIFT MALFUNCTION (LINK). ALSO INVOLVED ARE SOME 2012 MODEL YEAR CADILLAC SRX VEHICLES THAT WERE BUILT FOR JAPAN AND KOREA ONLY. IN GENERAL THESE CONDITIONS ARE NOT EVIDENT WITH NEW RADIOS, ALTHOUGH THEY DEVELOP OVER TIME WITH NORMAL RADIO USAGE. DEALERS ARE TO INSPECT THE RADIO SOFTWARE VERSION AND, IF NECESSARY, REPROGRAM THE RADIO-CONTROL MODULE AND, IF NECESSARY, RECALIBRATE THE AUDIO SYSTEM.
PI0388F2017-01-19. Service bulletin. SEAT BELTS:FRONT:BUCKLE ASSEMBLY; SEAT BELTS; SEAT BELTS:FRONT:ANCHORAGE; SEAT BELTS:FRONT:WEBBING. THIS PRELIMINARY INFORMATIONAL BULLETIN PROVIDES A PROCEDURE TO REPOSITION THE FRONT SEAT BELT LATCH PLATE FOR CONCERNS REGARDING THE SEAT BELT WEBBING OR LATCH PLATE COMING TWISTED.
10-08-110-001E2017-01-19. Service bulletin. EQUIPMENT. THIS INFORMATIONAL BULLETIN PROVIDES INFORMATION ON THE PROPER USE OF FLOOR MATS.
11-08-49-001R2017-01-19. Service bulletin. EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL; EQUIPMENT. 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.
07-03-10-008E2017-01-19. Service bulletin. EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL; TIRES. THIS INFORMATIONAL PROVIDES INFORMATION ON SLIGHT OR MILD TIRE FEATHERING AND RECOMMENDED PRACTICES.
04-00-89-015M2017-01-19. Service bulletin. EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL. THIS WARRANTY ADMINISTRATION BULLETIN PROVIDES POLICY INFORMATION ON USING GM SERVICE POLICIES AND PROCEDURE MANUAL THAT REPRESENT KEY GM REQUIREMENTS FOR SERVICE OPERATIONS.

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