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June 1, 2012 Service bulletin

Buick/chevrolet: the cooling fan may be inoperative due to low system voltage with the battery control...

Chevrolet technical service bulletin PIP-4992 for 2012 Chevrolet Malibu, 2012 Buick Regal and 2012 Buick Lacrosse.

Bulletin number
PIP-4992
Component
Electrical system: alternator/generator/regulator
Summary
Buick/chevrolet: the cooling fan may be inoperative due to low system voltage with the battery control module (hybrid powerpack) and drive motor generator.

Owners of these vehicles have filed 372 complaints in the electrical category.

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