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OBD II Fault Code

  • OBD II P0C04

OBD-II Code High voltage system may not operate is defined as a Drive Motor "B" Current High

The Drive Motor Generator Power Inverter Control Module consists of two Motor Control Modules and the Hybrid Powertrain Control Module. If the current flow through the Motor Control Module becomes excessive, code P0C04 is set. The High Voltage System will be disabled.

High voltage system may not operate Symptoms

  • High voltage system may not operate

Common Problems That Trigger the P0C04 Code

  • Drive motor generator power inverter control module failure
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