OBD Codes List

Diagnostic reference · P0C17

P0C17

Drive Motor A Position Sensor Not Learned

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

What it means

P0C17 means Drive Motor A Position Sensor Not Learned.

Where it lives

For P0C17, start at the sensor the description names.

Check these first

  • A motor A position sensor that was never relearned
  • A position sensor installed or wired wrong
  • Low battery voltage during the learn
  • A motor A control module that lost its learned position

What to do next

  1. Read the motor A position sensor and learn status on a scan tool
  2. Check battery voltage and charging
  3. Inspect the position sensor wiring and connector
  4. Run the position relearn procedure
  5. Replace the motor A control module if the learn will not hold
  6. Clear the code and retest

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Updated

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