Back to 2002 Mercedes-Benz SL

2002 MERCEDES-BENZ SL

3.0L I6RWDAUTOMATICgas
Repairs0Labor593Torque3658Fluid7DTC698Battery1Maintenance0Recalls0
C0078moderate severityChassis

Steering Position Sensor Circuit Low

on 2002 Mercedes-Benz SL 3.0L I6 · RWD

What this code means

The steering angle sensor is reporting a lower signal than expected for the current steering input.

Symptoms

  • Stability control fault
  • ESC disabled
  • Steering position reads incorrectly on scan tool

Common causes

  • Sensor power supply low
  • Signal wire shorted to ground
  • Sensor internal failure
  • Clock spring wiring issue

Diagnostic steps

  1. Check sensor power supply voltage
  2. Test signal wire for shorts to ground
  3. Monitor sensor output through full steering range
  4. Inspect clock spring wiring
  5. Check steering column connector

Repair notes

Repair wiring short or replace steering angle sensor.

Other Chassis codes on this vehicle

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