Back to 2004 GMC Yukon

2004 GMC YUKON

5.3L V8 VortecRWDAUTOMATICgas
4 active safety recalls on this vehicle — view recalls
Repairs0Labor503Torque3807Fluid7DTC779Battery0Maintenance0Recalls4
C0078moderate severityChassis

Steering Position Sensor Circuit Low

on 2004 GMC Yukon 5.3L V8 Vortec · 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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