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August 1, 2011 Service bulletin

Gm 2011 volt. diagnostics for various electrical or powertrain concerns with random dtc¿s. rm updated 10/3/11.

Chevrolet technical service bulletin PIC-5478 for 2011 Chevrolet Volt.

Bulletin number
PIC-5478
Component
Power train: automatic transmission: control module (TCM/PCM/tecm)
Summary
Gm 2011 volt. Diagnostics for various electrical or powertrain concerns with random dtc¿s. Rm updated 10/3/11.

Owners of these vehicles have filed 3 complaints in the transmission category.

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