P0C16

Drive Motor B Inverter Phase W Over Temperature

Severity

🔴 High

Can you drive?

Do not drive — repair immediately

Approx. repair cost

$167–556 (est.)

Symptoms

Reduced motor power
Malfunction warning on the dashboard
The vehicle goes into emergency mode
Unusual noises from the electric motor
Disabling the hybrid system

Causes

Inverter cooling system malfunction
Damage or wear to the inverter
Problems with the wiring harness or connectors
Excessive load on the motor
Malfunction of temperature sensors

How to Fix

Check the level and condition of the coolant
Inspect the inverter cooling system for leaks
Check the condition of the wiring harness and connectors
Test temperature sensors
Diagnostics and possible replacement of the inverter

Related codes

P0C12 P0C14 P0C18