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October 1, 2012 Service bulletin

General motors: service update for inventory vehicles only loss of battery charge

Chevrolet technical service bulletin 12238-D for 2013 Chevrolet Malibu, 2012-2013 Buick Regal and 2012-2013 Buick Lacrosse.

Bulletin number
12238-D
Component
Electrical system: alternator/generator/regulator
Summary
General motors: service update for inventory vehicles only loss of battery charge. Inspect generator control module expires october 31, 2013. This bulletin provides a service procedure to inspect and replace, if necessary, the generator control module(gcm). Js received revision a after receiving revision d. Kb

Owners of these vehicles have filed 548 complaints in the electrical category.

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