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August 1, 2015 Service bulletin

Gm: service engine soon light is on with a trouble code stored

Chevrolet technical service bulletin PIP-4891-C for 2011-2012 Chevrolet Volt.

Bulletin number
PIP-4891-C
Component
Engine and engine cooling: engine
Summary
Gm: service engine soon light is on with a trouble code stored. It is likely caused from overfilling the engine and a large temperature change. 2011 volt. Rm updated on 5/2/2012. Kb updated 2/1/16.

Owners of these vehicles have filed 31 complaints in the engine category.

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