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2007 LEXUS GS 430
4.3L V8•RWD•AUTOMATIC•gas
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Repairs0Labor478Torque2122Fluid8DTC1857Battery1Maintenance0Recalls0
C1379moderate severityChassis

Steering Angle Sensor Malfunction

on 2007 Lexus GS 430 4.3L V8 · RWD

What this code means

The steering angle sensor is sending faulty or out-of-range signals to the ABS/stability control system. No direct OBD P-code equivalent exists for this chassis code.

Symptoms

  • ABS/VSC warning light on
  • Traction control disabled
  • Steering feels normal but system off

Common causes

  • Faulty steering angle sensor
  • Sensor needs calibration
  • Damaged sensor wiring
  • Faulty spiral cable/clock spring

Diagnostic steps

  1. Scan for stored C-codes
  2. Check sensor wiring and connectors
  3. Perform zero-point calibration
  4. Replace steering angle sensor if faulty
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