What are the common causes of P0C13?

Blocked or clogged inverter air vents. High ambient temperature beyond the cooling system. Extra load on motor A from hard driving or towing. A failed cooling fan or pump. A fault inside the motor A inverter.

Read motor A inverter phase W temperature live. Clean the inverter air vents. Check the inverter cooling fan and pump. Reduce load on motor A and recheck. Test the motor A inverter for internal faults. Clear the code and retest.

P0C13

Drive Motor A Inverter Phase W Over Temperature

System: Powertrain control (P code)
Lamp: Check Engine Light
Category: Powertrain - Hybrid Propulsion

What it means

P0C13 means Drive Motor A Inverter Phase W Over Temperature.

Check these first

Blocked or clogged inverter air vents
High ambient temperature beyond the cooling system
Extra load on motor A from hard driving or towing
A failed cooling fan or pump
A fault inside the motor A inverter

What to do next

Read motor A inverter phase W temperature live
Clean the inverter air vents
Check the inverter cooling fan and pump
Reduce load on motor A and recheck
Test the motor A inverter for internal faults
Clear the code and retest

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Updated

Generic SAE J2012 definition. Last updated 2026-10-10.