What this code means

Malfunction in the active steering superposition motor that varies the steering ratio.

Symptoms

• Active steering disabled
• Fixed steering ratio
• Warning light on
• Steering ratio does not change with speed

Common causes

• Active steering motor failure
• Motor wiring damage
• Control module driver failure
• Motor position sensor fault

Diagnostic steps

1. Test motor winding resistance
2. Check motor connector
3. Command motor movement with scan tool
4. Monitor motor position feedback
5. Inspect wiring for damage

Repair notes

Replace active steering motor assembly or steering gear if motor is integrated.

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