WenmarOpen by Wenmar Pro

Service bulletins for the 2012 Buick Verano

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.

1487 on file from NHTSA, as of 2026-10-19.

By type

By component

By trouble code

By topic

Bulletins, newest first
PIC4788G2016-09-23. Service bulletin. EQUIPMENT. 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.
PIP-3140-G2016-08-24. Service bulletin. EQUIPMENT ADAPTIVE/MOBILITY; EQUIPMENT. THIS PRELIMINARY INFORMATION COMMUNICATION ADVISES THE TECHNICIAN THAT A NOISE OR A VIBRATION IN THE VEHICLE THAT SEEMS TO BE ABNORMAL MAY NOT HAVE BEEN THERE WHEN THE VEHICLE WAS PURCHASED. TECHNICIAN SHOULD LOOK FOR NON - GENERAL MOTORS AFTERMARKET ACCESSORIES INSTALLED ON THE VEHICLE THAT CAN CAUSE THESE ISSUES.
PIC-5374-D2016-08-17. Service bulletin. EQUIPMENT:ELECTRICAL:NAVIGATIONAL SYSTEM(GLOBAL POSITIONING SYSTEM). THIS PRELIMINARY INFORMATION COMMUNICATION ADVISES THE TECHNICIAN ON THE STEPS TO DIAGNOSE AND REPAIR THE CONCERN OF RECEIVING FREQUENT "OFF ROUTE" MESSAGES WHILE FOLLOWING TURN BY TURN (TBT) ROUTE NAVIGATION. THE TECHNICIAN IS PROVIDED INSTRUCTIONS FOR RESETTING THE VEHICLE COMMUNICATION INTERFACE MODULE FOR THIS CONCERN.
PIC-4935-E2016-08-17. 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-A2016-08-11. 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.
SB-02-07-30-029Z2016-08-10. Service bulletin. EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL. THIS INFORMATIONAL BULLETIN PROVIDE INFORMATION ON THE PRODUCT QUALITY CENTER (PQC) ASSEMBLY REPLACEMENT PROCESS.
PI-0659-E2016-08-10. Service bulletin. STEERING. THIS PRELIMINARY INFORMATION BULLETIN PROVIDES A PROCEDURE TO INSPECT AND REPLACE THE STEERING COLUMN SEAL TO CORRECT A CUSTOMER CONCERN ON A RUBBER SQUEAK TYPE NOISE WHEN TURNING THE STEERING WHEEL DUE TO THE SEAL FOR THE INTERMEDIATE SHAFT, LOCATED AT THE FRONT OF DASH, RUBBING ON THE ROTATING INTERMEDIATE STEERING SHAFT.
SB-10-08-46-001C2016-08-09. Service bulletin. EQUIPMENT:ELECTRICAL:NAVIGATIONAL SYSTEM(GLOBAL POSITIONING SYSTEM); EQUIPMENT:ELECTRICAL:RADIO/TAPE DECK/CD ETC.. "THIS TECHNICAL BULLETIN PROVIDES A PROCEDURE TO CONTACT ONSTAR FOR HARD MUTE REQUEST TO CORRECT A CUSTOMER CONCERN WHEN THE RADIO IS ON, IT DOES NOT MUTE ENOUGH WHEN THE ONSTAR® TURN-BY-TURN NAVIGATION DIRECTIONS ARE ANNOUNCED DUE TO CUSTOMER IMPROPERLY SETTING THE RADIO VOLUME HIGH ENOUGH WHEN THE TURN-BY-TURN NAVIGATION MESSAGES ARE PLAYED. "
SB-15-06-03-001B2016-08-09. 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-03-06-03-004Q2016-08-09. 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-06-08-47-001L2016-08-09. Service bulletin. ELECTRICAL SYSTEM:SOFTWARE. THIS INFORMATIONAL BULLETIN PROVIDES WARRANTY INFORMATION ON USING THE SERVICE PROGRAMMING SYSTEM (SPS) FOR PROGRAMMING CONTROL MODULES
SB-07-06-01-016C2016-08-09. Service bulletin. ENGINE. THIS INFORMATIONAL BULLETIN PROVIDES INFORMATION INTERNAL ENGINE NOISE OR DAMAGE AFTER OIL FILTER REPLACEMENT
SB-16-NA-1192016-08-09. Service bulletin. EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL. THIS WARRANTY ADMINISTRATION BULLETIN PROVIDES INFORMATION ON GM’S POLICY ON PERFORMING GM COVERED VEHICLE SERVICES AND MAINTENANCE ON VEHICLES ORIGINATING/SOLD IN CANADA.
SB-16-NA-1172016-08-08. Service bulletin. EQUIPMENT. THIS INFORMATIONAL BULLETIN PROVIDES INFORMATION ON THE PURPOSE OF MAGNETIC DRAIN PLUGS.
PI-0754-B2016-08-08. Service bulletin. VISIBILITY:GLASS, SIDE/REAR. THIS INFORMATIONAL BULLETIN PROVIDES INFORMATION ON A NORMAL CONDITION ON TEMPERED GLASS OF SPOTS SHOWING ON THE REAR AND SIDE WINDOWS WHEN THE VEHICLE IS IN THE SUNLIGHT.
PI-0281-E2016-08-06. Service bulletin. EQUIPMENT; STRUCTURE:FRAME AND MEMBERS:UNDERBODY SHIELDS. THIS PRELIMINARY INFORMATIONAL BULLETIN PROVIDES INFORMATION THAT MAY BE HELPFUL WHEN ADDRESSING UNDERBODY COMPONENT CORROSION WITH CUSTOMERS.
SB-03-07-29-004K2016-08-06. Service bulletin. POWER TRAIN:MANUAL TRANSMISSION. THIS INFORMATIONAL BULLETIN PROVIDE INFORMATION ON THE OPERATING CHARACTERISTICS OF A MANUAL TRANSMISSION.
SB-16-NA-1092016-08-06. Service bulletin. STEERING:ELECTRIC POWER ASSIST SYSTEM. "THIS TECHNICAL BULLETIN PROVIDES A PROCEDURE TO INSPECT THE STEERING GEAR FOR A NORMAL CONDITION OF GREASE OR SEALANT ON EXTERIOR CASE OF GEAR DUE TO THE MANUFACTURING PROCESS."
SB-PI-1533B2016-08-06. Service bulletin. ELECTRICAL SYSTEM. THIS PRELIMINARY INFORMATIONAL BULLETIN PROVIDES INFORMATION ON POOR RADIO HANDS-FREE VOICE RECOGNITION PERFORMANCE OR SOUND QUALITY AFTER THE ONSTAR UPGRADE.
PIP5093B2016-07-07. Service bulletin. ENGINE. Some customers may complain of an engine oil leak that appeared as they were driving the vehicle in extremely cold ambient temperatures (Generally 0 F /-17 C or Colder). They may also comment that they heard a single "pop" noise right before the oil leak started. Upon inspection, the technician will find that the oil leak is coming from the rear main oil seal of the engine as shown below. This may be the result of a frozen PCV system and excessive crankcase pressure. If a leaking rear main oil seal is found in warmer climates, this PI does not apply.
PIC5656B2016-06-22. Service bulletin. ELECTRICAL SYSTEM; EQUIPMENT:ELECTRICAL. SUMMARY TO BE PROVIDED ON A FUTURE DATE.
PIC5959A2016-06-22. Service bulletin. EQUIPMENT:ELECTRICAL:RADIO/TAPE DECK/CD ETC.. SUMMARY TO BE PROVIDED ON A FUTURE DATE.
PIC5656C2016-06-22. Service bulletin. EQUIPMENT:APPLIANCE:AIR CONDITIONER. SUMMARY TO BE PROVIDED ON A FUTURE DATE.
PIC5793A2016-06-22. Service bulletin. ELECTRICAL SYSTEM. SUMMARY TO BE PROVIDED ON A FUTURE DATE.
PIC5656A2016-06-22. Service bulletin. ELECTRICAL SYSTEM: INSTRUMENT CLUSTER/PANEL. SUMMARY TO BE PROVIDED ON A FUTURE DATE.

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