C0245moderate severityChassis

Active Steering Position Sensor Circuit

on 2012 GMC Terrain 3.6L V6 · FWD

What this code means

The position feedback sensor for the active steering superposition motor has malfunctioned.

Symptoms

  • Active steering warning
  • System defaults to center position
  • Steering ratio locked
  • May affect park assist

Common causes

  • Position sensor failure
  • Sensor wiring damage
  • Sensor contamination
  • Motor assembly mechanical failure

Diagnostic steps

  1. Read position sensor data with scan tool
  2. Command small motor movements and check sensor response
  3. Inspect sensor wiring
  4. Check for mechanical binding in steering gear
  5. Test sensor voltage range

Repair notes

Replace active steering motor/sensor assembly.

Other Chassis codes on this vehicle

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