P0C0A

2017-10-10

Description:

  • Drive Motor B Phase U V W Circuit High

Possible Symptoms:

  • Check and ensure that all motor connections (Phase U, V, W) are securely plugged in and not loose.

  • Inspect the motor wiring for any signs of damage or loose connections, and repair or replace if necessary.

  • Test the motor's current sensor to ensure it is functioning properly, and replace if faulty.

  • Verify the correlation between the motor's current sensor readings and the actual motor performance, adjusting or calibrating as needed.

  • In rare cases, if all other solutions have been exhausted, consider replacing the motor itself.

Possible Causes:

  • Loose or faulty wiring connections to the drive motor's phase U, V, or W

  • Motor phase U, V, or W current sensor malfunction or failure

  • Faulty or damaged drive motor

  • Corrosion or damage to the motor control unit

Related Parts:

Possible Solutions:

  • Loss of power or acceleration

  • Illumination of the warning light

Search