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Home >> Chevrolet >> 2014 >> Volt >> Repair and Diagnosis >> Hybrid/Electric Powertrain >> Electric Converters and Controllers >> Hybrid/EV Control System >> Diagnostic Information and Procedures >> DTC P1BFF or P1E23-P1E25: Auxiliary Transmission Fluid Pump Control Module/Module Memory >> Circuit/System Description

Circuit/System Description

This is an internal fault detection of the auxiliary transmission fluid pump control module. The modules listed below are internal to the power inverter module, often referred to as the drive motor generator power inverter module and are not serviced separately. These faults are handled inside the hybrid/EV powertrain control module 1 and no external circuits are involved.

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