OBD Codes List

Diagnostic reference · P0CDA

P0CDA

Drive Motor A Position Sensor Circuit C

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

What it means

P0CDA means Drive Motor A Position Sensor Circuit C.

Where it lives

For P0CDA, the circuit described runs through the sensor. The description of P0CDA reports a fault at the sensor.

Check these first

  • Drive motor A position sensor C giving a drifting signal
  • Deposits or debris on the sensor C pickup
  • A corroded or loose sensor C connector
  • The wrong sensor C part fitted to motor A
  • A weak sensor C signal ground

What to do next

  1. Read drive motor A position sensor C live data
  2. Inspect sensor C for debris or contamination
  3. Check the sensor C connector and terminals
  4. Verify sensor C is the correct part
  5. Replace drive motor A position sensor C if the signal drifts
  6. Clear the code and retest

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Updated

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