P0C18
Drive Motor B Position Sensor Not Learned
Generic OBD-II
Common symptoms
What you'll notice
- Inspect the wiring harness and connectors related to the motor B position sensor for any damage or loose connections
- If all else fails, consider replacing the motor B position sensor
Common causes
Most likely first
- Faulty drive motor B position sensor
- Incorrect drive motor B position sensor calibration
- Faulty wiring or connectors related to the drive motor B position sensor
- Damaged or worn out drive motor B position sensor
How to diagnose & fix
Work through it in order
- Loss of power or decreased acceleration
- Illumination of the warning light
Read & clear P0C18 yourself
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