2012 Buick Regal TSB 10089686

Buick TSB #12238A

2012 Buick Regal

TSB Document:

Affected Component: ELECTRICAL SYSTEM:12V/24V/48V BATTERY

Summary
12238A - SERVICE UPDATE (REVISED SERVICE PROCEDURE). THE GENERATOR CONTROL MODULE (GCM) MAY NOT FUNCTION PROPERLY, RESULTING IN THE GRADUAL LOSS OF BATTERY CHARGE, ILLUMINATION OF THE MIL, AND EVENTUAL ENGINE STALL OR NO START CONDITION. DEALERS ARE TO INSPECT AND REPLACE THE GCM, IF NECESSARY.

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Date Published
OCT 30, 2012
NHTSA TSB #
10089686
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