Service Information

Volt

DTC P0C0B or P0C0E

Diagnostic Instructions

•	Perform the Diagnostic System Check - Vehicle prior to using this diagnostic procedure.

•	Review Strategy Based Diagnosis for an overview of the diagnostic approach.

•	Diagnostic Procedure Instructions provides an overview of each diagnostic category.

DTC Descriptor

DTC P0C0B: Drive Motor 1 Inverter Supply Voltage Circuit

DTC P0C0E: Drive Motor 2 Inverter Supply Voltage Circuit

Circuit/System Description

This is an internal fault detection of the power inverter module. This fault is handled inside the power inverter module and no external circuits are involved.

Conditions for Running the DTC

•	Vehicle is ON or Charge Mode is active.

•	High voltage is greater than 100 V.

Conditions for Setting the DTC

The control module does not detect voltage at the insulated gate bipolar transistor bias supply.

Action Taken When the DTC Sets

•	DTCs P0C0B and P0C0E are Type A DTCs.

•	Propulsion will be disabled.

Conditions for Clearing the DTC

DTCs P0C0B and P0C0E are Type A DTCs.

Reference Information

DTC Type Reference

Powertrain Diagnostic Trouble Code (DTC) Type Definitions

Circuit/System Verification

If the DTC is set, program the T6 power inverter module. If the DTC resets, replace the T6 power inverter module.

Repair Instructions

Perform the Diagnostic Repair Verification after completing the diagnostic procedure.

Control Module References for Drive Motor Generator Power Inverter Module, also called the power inverter module, replacement, programming and set-up.