P0C0A

Drive Motor B Phase U-V-W Circuit High

Severity

🔴 High

Can you drive?

Limited driving only, diagnose soon

Approx. repair cost

$56–278 (est.)

Symptoms

Reduced motor power
Increased fuel consumption in hybrid models
Check Engine Light Illuminated
Possible vibrations during operation of the electric motor
Limitation of hybrid system operation

Causes

Damage to the engine phase wiring harness
Oxidation or corrosion of contacts
Inverter fault
Problems with motor windings
Malfunction of rotor position sensors

How to Fix

Check the integrity of the engine phase wiring harness
Check and clean all contacts in the circuit
Test the resistance of the motor windings
Check the operation of the inverter
Replace damaged components if necessary

Related codes

P0C0B P0C0CC P0C09