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Service bulletins for the 2012 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.

1749 on file from NHTSA, as of 2026-10-19.

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Only bulletins with component: 12-volt battery are shown. Show all

Bulletins, newest first
SB-13136-B2016-03-16. Service bulletin. ELECTRICAL SYSTEM:12V/24V/48V BATTERY; ELECTRICAL SYSTEM:ALTERNATOR/GENERATOR/REGULATOR. SUMMARY TO BE PROVIDED ON A FUTURE DATE.
SB-12238-D2016-03-16. Service bulletin. ELECTRICAL SYSTEM:ALTERNATOR/GENERATOR/REGULATOR; ELECTRICAL SYSTEM:12V/24V/48V BATTERY. SUMMARY TO BE PROVIDED ON A FUTURE DATE.
SB-13136-A2016-03-16. Service bulletin. ELECTRICAL SYSTEM:ALTERNATOR/GENERATOR/REGULATOR; ELECTRICAL SYSTEM:12V/24V/48V BATTERY. SUMMARY TO BE PROVIDED ON A FUTURE DATE.
SB-12238B-A2016-03-16. Service bulletin. ELECTRICAL SYSTEM:12V/24V/48V BATTERY. SUMMARY TO BE PROVIDED ON A FUTURE DATE.
SB-12238-A2016-03-16. Service bulletin. ELECTRICAL SYSTEM:12V/24V/48V BATTERY. SUMMARY TO BE PROVIDED ON A FUTURE DATE.
PI-12282014-07-29. Service bulletin. ELECTRICAL SYSTEM; ELECTRICAL SYSTEM:12V/24V/48V BATTERY. CHEVROLET/BUICK: SOME VEHICLES MAY EXPERIENCE MALFUNCTION INDICATOR LAMP (MIL) ON, OR SERVICE CHARGING SYSTEM MESSAGE DISPLAYED, OR CHARGING SYSTEM LIGHT ON. MODEL 2012-2014 LACROSSE, REGAL, MALIBU, IMPALA. *PE
PIP-5033-C2013-07-08. Service bulletin. ELECTRICAL SYSTEM:12V/24V/48V BATTERY. GENERAL MOTORS: EASSIST MESSAGE OR THE BATTERY INDICATOR MESSAGE MAY BE ILLUMINATED. *KB
PIP-4989-B2012-06-18. Service bulletin. ELECTRICAL SYSTEM:12V/24V/48V BATTERY; ENGINE AND ENGINE COOLING:ENGINE:GASOLINE:BELTS AND ASSOCIATED PULLEYS; ELECTRICAL SYSTEM:ALTERNATOR/GENERATOR/REGULATOR. BUICK/CHEVROLET: ON CERTAIN EASSIST VEHICLES, BELT FOR THE DRIVE MOTOR GENERATOR MAY BE NOISY, BROKEN, MISALIGNED OR WORN, RESULTING IN A NO CHARGE CONCERN WITH THE MESSAGE, BATTERY SAVER ILLUMINATED. *PE UPDATED ON 5/9/2013. *KB
120132012-04-30. Service bulletin. ELECTRICAL SYSTEM:12V/24V/48V BATTERY. GM: SERVICE UPDATE FOR INVENTORY VEHICLES ONLY BATTERY DRAIN- REPLACE BATTERY POWER INVERTER MODULE EXPIRES FEBRUARY 28, 2013. SERVICE UPDATE FOR VEHICLES EQUIPPED WITH EASSIST (LUK). *JS
PIC-56262012-04-04. Service bulletin. ELECTRICAL SYSTEM:WIRING:FUSES AND CIRCUIT BREAKERS; ELECTRICAL SYSTEM:12V/24V/48V BATTERY. BUICK/CHEVROLET: DUE TO POOR CONNECTION AT UNDER HOOD FUSE, 175A OR 80A, A 12V BATTERY DISCHARGE, WITH SERVICE CHARGING SYSTEM MESSAGE, APPEARS. *PE
PIP-49922012-04-04. Service bulletin. ENGINE AND ENGINE COOLING:COOLING SYSTEM:FAN; ELECTRICAL SYSTEM:ALTERNATOR/GENERATOR/REGULATOR; ELECTRICAL SYSTEM:12V/24V/48V BATTERY. BUICK/CHEVROLET: THE COOLING FAN MAY BE INOPERATIVE DUE TO LOW SYSTEM VOLTAGE WITH THE BATTERY CONTROL MODULE (HYBRID POWERPACK) AND DRIVE MOTOR GENERATOR. *PE UPDATED /15/12. *PE UPDATED 8/17/12. *PE
PIC-55202011-10-04. Service bulletin. ELECTRICAL SYSTEM:12V/24V/48V BATTERY; ELECTRICAL SYSTEM:ALTERNATOR/GENERATOR/REGULATOR. BUICK/CHEVROLET: THE BATTERY MODULE AND EASSIST GENERATOR CONTROL FOR BAS+(HYBRID) EXCHANGE PROCESS IS BEING PLACED ON RESTRICTIONS. *PE UPDATED 5/8/2013 *JS UPDATED ON 6/26/2013. *KB UPDATED ON 7/8/2013. *KB

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