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Home >> Lexus >> 2013 >> GS 350 Base, AWD >> Repair and Diagnosis (Single Page) >> Steering >> Power Steering >> Variable Gear Ratio Steering System (Diagnostic Codes & Symptom Tests) >> Variable Gear Ratio Steering System >> DTC C15A5/65: Lock Mechanism Circuit >> Description

DTC C15A5/65: Lock Mechanism Circuit: Description

If the VGRS ECU (front steering control ECU) detects a malfunction in the lock mechanism, it turns the master warning light on, stores DTC C15A5/65 and stops VGRS operation.

DTC Code DTC Detection Condition Trouble Area
C15A5/65 Both conditions are met for approximately 0.025 seconds or more:
  • The engine switch is on (IG).
  • A short in the motor circuit or an internal malfunction in the ECU is detected.
  • Steering actuator assembly
  • VGRS ECU (front steering control ECU)
  • Harness or connector
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