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2012 Chevrolet Volt – Check-Engine Light After Collision Repair With P1E00 and P0C4A

Aug 16
1 min read

CUSTOMER CONCERN

The check-engine light remains on after collision repairs with DTCs P1E00 and P0C4A.

CAUSE

Air trapped in the high-voltage battery cooling circuit prevented proper coolant-pump flow and set the cooling-system fault.

CORRECTION

Refill and bleed the high-voltage battery cooling system with the Vac-N-Fill procedure, repeat thermal cycles as required, clear the DTCs, and verify coolant-pump operation.

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2012 Chevrolet Volt – Check-Engine Light After Collision Repair With P1E00 and P0C4A

CUSTOMER CONCERN

CAUSE

CORRECTION

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