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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) >> Procedure
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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): Procedure

  1. REPLACE FRONT STEERING CONTROL ECU 
    1. Replace the VGRS ECU (front steering control ECU). Refer to REMOVAL [12/2011 - ] .

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