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Home >> Lexus >> 2021 >> LS 500 Base, AWD >> Repair and Diagnosis >> Steering >> Steering Control Systems >> Dynamic Rear Steering System - Diagnostic Codes & Symptom Tests >> Dynamic Rear Steering System >> DTC C1B21: ECU Malfunction(CPU); DTC C1B22: ECU Malfunction(Internal Line); DTC C1B23: ECU Malfunction(Substrate Temperature Sensor); DTC C1B25: ECU Malfunction(Flash Memory) [12/2017 - 10/2023] >> Caution / Notice / Hint
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Caution / Notice / Hint

NOTE:

When replacing the DRS ECU (rear steering control ECU), perform neutral position memorization and motor rotation angle sensor calibration.

Refer to CALIBRATION [12/2017 - 10/2023]

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