OBD Codes List

Diagnostic reference · P0C5E

P0C5E

Drive Motor A Position Sensor Circuit B Intermittent/Erratic

System
Powertrain control (P code)
Lamp
Check Engine Light
Category
Powertrain - Fuel/Air Metering

What it means

P0C5E means Drive Motor A Position Sensor Circuit B Intermittent/Erratic.

Where it lives

For P0C5E, the sensor sits on the circuit this code reports. The description of P0C5E reports a fault at the sensor.

Check these first

  • A chafed wire in the drive motor A position sensor B harness
  • A sensor B connector that loses contact when hot
  • A position sensor B winding with an intermittent fault
  • Vibration loosening the sensor B mounting
  • Electrical interference on the sensor B signal

What to do next

  1. Road test and watch drive motor A position sensor B data
  2. Wiggle test the sensor B connector and harness
  3. Flex the harness while watching the sensor B signal
  4. Check the sensor B mounting for looseness
  5. Replace the sensor if the signal drops out
  6. Clear the code and retest

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Updated

Generic SAE J2012 definition. Last updated 2026-10-10.