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Home >> Lexus >> 2021 >> LS 500 Base, AWD >> Repair and Diagnosis >> Brakes >> Mechanical - Hydraulic >> Electronically Controlled Brake System (W/ Vacuum Brake Booster) - Diagnostic Codes (2 Of 4) >> ELECTRONICALLY CONTROLLED BRAKE SYSTEM (w/ Vacuum Brake Booster) >> DTC C120E: DRS Control System [12/2017 - 09/2018] >> Description

DTC C120E: DRS Control System [12/2017 - 09/2018]: Description

The skid control ECU (brake actuator assembly) communicates with the DRS ECU (rear steering control ECU) via CAN communication.

When a dynamic rear steering system (DRS system) malfunction is detected, cooperative control is prohibited by the fail-safe function.

DTC No. Detection Item DTC Detection Condition Trouble Area Note
C120E DRS Control System A malfunction signal is received from the rear steering control ECU for 1 second or more DRS ECU (rear steering control ECU) -