P0C16 OBD-II: Drive Motor "B" Inverter Phase W Over Temperature

P0C16 Severity

Urgent

Should you fix P0C16 yourself?

Identifying an OBD code is just the start of a complete diagnostic routine. Most trouble codes are caused by a sensor reporting a value that is out of range. Just replacing a sensor may not fix underlying issues. Be sure to understand the code, the part or system in your car that the code refers to, and the risks of delaying professional repair.

Proper diagnosis will save you time and money on unnecessary repairs.

Urgent codes indicate immediate action is necessary. These are urgent and significant malfunctions that can cause severe damage to the vehicle or harm the driver and passengers.

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What causes OBD-II fault code P0C16?

The Drive Motor Generator Power Inverter Control Module consists of two Motor Control Modules and the Hybrid Powertrain Control Module. each Motor Control Module monitors the internal temperature of its respective motor. If the temperature of the motor goes above a specified temperature, code P0C16 is set. The High Voltage System will be disabled.

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OBD II Fault Code

  • OBD II P0C16

OBD-II Code High voltage system may not operate is defined as a Drive Motor "B" Inverter Phase W Over Temperature

The Drive Motor Generator Power Inverter Control Module consists of two Motor Control Modules and the Hybrid Powertrain Control Module. each Motor Control Module monitors the internal temperature of its respective motor. If the temperature of the motor goes above a specified temperature, code P0C16 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 P0C16 Code

  • Coolant system leak
  • Drive motor generator power inverter control module failure
  • Engine cooling fan failure
  • Water pump failure
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