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Home >> Lexus >> 2013 >> GS 350 Base, RWD >> Repair and Diagnosis (Single Page) >> Steering >> Power Steering >> Variable Gear Ratio Steering System (Diagnostic Codes & Symptom Tests) >> Variable Gear Ratio Steering System >> DTC C15B1/71: ECU Malfunction(CPU); DTC C15B2/72: ECU Malfunction(Internal Line); DTC C15B3/73: ECU Malfunction(Substrate Temperature Sensor); DTC C15B5/82: ECU Malfunction(Flash Memory); DTC C15B6/83: ECU Malfunction(EEPROM) >> Inspection Procedure
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Inspection Procedure

NOTE:
  • When replacing the VGRS ECU (front steering control ECU), perform actuator angle neutral position calibration and initialization after replacement. Refer to CALIBRATION [12/2011 - ] .
  • Since DTC C1B09/19 is stored in the DRS ECU (rear steering control ECU), after performing repairs on the VGRS system, clear the DTCs for the dynamic rear steering system.*
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