P0C06 - OBD II Trouble Code

January 31, 2017

Our automotive experts have put together the following information about the P0C06 diagnostic trouble code. We've provided the common symptoms that occur when this code is set along with the frequent repairs that address the issues related to the P0C06 code.

OBD II Fault Code

  • OBD II P0C06

OBD-II Code High voltage system may not operate is defined as a Drive Motor "A" Phase U-V-W Circuit Low

The Drive Motor Generator Power Inverter Control Module consists of two Motor Control Modules and the Hybrid Powertrain Control Module. Because the two Motor Control Modules are wired together, the current flowing through both modules should be the same. If they are not, code P0C06 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 P0C06 Code

  • Drive motor generator assembly failure
  • Drive motor generator power inverter control module failure

About the Author

Brad Kava is an automotive expert at RepairPal, the leading online source of auto repair resources and estimates. With many ASE Master certified mechanics on staff who have decades of experience, RepairPal knows all the fine points of car repair.

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