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Home >> Toyota >> 2021 >> Land Cruiser Base >> Repair and Diagnosis (Single Page) >> Steering >> Manual Steering >> Variable Gear Ratio Steering System - Diagnostic Codes & Symptom Tests >> Variable Gear Ratio Steering System >> DTC C15B1/71: ECU Malfunction(CPU); DTC C15B3/73: ECU Malfunction(Substrate Temperature Sensor); DTC C15B5/82: ECU Malfunction(Flash Memory); DTC C15B6/83: ECU Malfunction(EEPROM) [08/2015 - ] >> Procedure
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DTC C15B1/71: ECU Malfunction(CPU); DTC C15B3/73: ECU Malfunction(Substrate Temperature Sensor); DTC C15B5/82: ECU Malfunction(Flash Memory); DTC C15B6/83: ECU Malfunction(EEPROM) [08/2015 - ]: Procedure

  1. REPLACE VGRS ECU (STEERING CONTROL ECU) 
    1. Replace the VGRS ECU (steering control ECU) (Refer to REMOVAL [08/2015 - ] ).

    Result: 

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