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December 5, 2013 Service bulletin

Engine and engine cooling

Chevrolet technical service bulletin PIC5943 for 2013-2014 Chevrolet Volt.

Bulletin number
PIC5943
Component
Engine and engine cooling
Summary
This Preliminary Information communication provides information to the technician about vehicles that have no heat in EV electric mode Technician will find a Diagnostic Trouble Code B101D in the Coolant Heater Control Module. Technician will need to check the coolant heater control module for proper operation. If the Diagnostic Trouble Code B101D is set replace the Coolant Heater Control Module.

Owners of these vehicles have filed 49 complaints in the engine category.

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