P0C08

Drive Motor B Phase U-V-W Circuit/Open

Severity

🔴 High

Can you drive?

Limited driving only, diagnose soon

Approx. repair cost

$56–278 (est.)

Symptoms

Reduced motor power
Switching to backup mode
Check Engine Light Illuminates
Unusual noises from the electric motor
Problems with regenerative braking

Causes

Open circuit in the motor phase circuit
Wiring harness damage
Oxidation or corrosion of contacts
Inverter fault
Problems with high voltage connection

How to Fix

Check the integrity of the phase circuit U-V-W
Inspect connectors and contacts for damage
Check the resistance of the motor windings
Diagnose the operation of the inverter
Replace damaged components if necessary

Related codes

P0C09 P0C0A P0C0B