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Home >> Lexus >> 2019 >> RC 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 C15B1: ECU Malfunction (CPU); DTC C15B3: ECU Malfunction (Substrate Temperature Sensor); DTC C15B5: ECU Malfunction (Flash Memory); DTC C15B6: ECU Malfunction (EEPROM) [09/2020 - ] >> Caution / Notice / Hint
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Caution / Notice / Hint

NOTE:
  • When replacing the VGRS ECU (front steering control ECU), perform actuator angle neutral point calibration and initialization after replacement.

    Refer to CALIBRATION [09/2020 - ]

  • Since DTC C1B09 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.

    Refer to DTC CHECK / CLEAR [09/2020 - ]

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