OBD Guide

P0C08

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

P0C08 is an OBD-II diagnostic trouble code meaning: Drive Motor B Phase U-V-W Circuit/Open. Common causes: open circuit in the motor phase circuit, wiring harness damage. Estimated repair cost: $56โ€“278.

Severity
๐Ÿ”ด High
Can you drive?
Limited driving only, diagnose soon
Approx. repair cost
$56โ€“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

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

Related codes

Error P0C08 by Vehicle Brand

FAQ

What does the P0C08 code mean?

P0C08 is an OBD-II diagnostic trouble code that indicates: Drive Motor B Phase U-V-W Circuit/Open

What causes a P0C08 error code?

The most common causes of P0C08 include: Open circuit in the motor phase circuit; Wiring harness damage; Oxidation or corrosion of contacts; Inverter fault.

How do I fix a P0C08 diagnostic trouble code?

To fix P0C08: Check the integrity of the phase circuit U-V-W. Inspect connectors and contacts for damage. Check the resistance of the motor windings. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with P0C08?

Limited driving only, diagnose soon

How much does it cost to fix P0C08?

The estimated repair cost for P0C08 is $56โ€“278. Actual cost depends on your vehicle, location, and labor rates.

See also: Russian version ยท NationStat