All codes/P0C08

P0C08

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

High severity

The drive motor B phase U-V-W output reports a circuit/open condition. The drive motor's position, current and temperature are watched continuously; a fault here downgrades the inverter to a safe operating point or triggers torque reduction.

The drive motor B phase U-V-W output reports a circuit/open condition. The drive motor's position, current and temperature are watched continuously; a fault here downgrades the inverter to a safe operating point or triggers torque reduction.

Common causes

  • Open phase wire

    One of the most commonly reported causes for this code — check this first.

    high

    Typical part cost: $880-5500

  • Open motor winding

    A plausible cause — test and verify before replacing parts.

    medium

    Typical part cost: $880-5500

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First things to check

  1. 1Confirm the code with a scan tool and check for additional related codes.
  2. 2Inspect the relevant sensors, wiring, and connectors for damage or corrosion.

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Related codes

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Frequently asked questions

What does P0C08 mean?

P0C08 means "Drive Motor B Phase U-V-W Circuit/Open". It is a generic OBD-II code that points to a fault in the hybrid / ev powertrain.

What are the most common causes of P0C08?

open phase wire; open motor winding; pin pushed back out of connector body — these are the most commonly reported causes. Verify with a proper diagnosis before replacing parts, or use the Wrenchify app for a vehicle-specific diagnosis.

Can I keep driving with this code?

This code can put the vehicle into limp or reduced-power mode. Avoid extended driving and have the vehicle diagnosed promptly. Use the Wrenchify app for a full diagnosis specific to your vehicle.

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