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Home >> Lexus >> 2022 >> LS 500h RWD >> Repair and Diagnosis >> Brakes >> Mechanical - Hydraulic >> Electronically Controlled Brake System (W/ Advanced Park) - Diagnostic Codes (3 Of 5) >> ELECTRONICALLY CONTROLLED BRAKE SYSTEM (w/ Advanced Park) >> DTC C124A-05: ECM Communication System Programming Failure [11/2021 - 10/2023] >> Monitor Description

Monitor Description

When one of the following conditions is met at a certain vehicle speed or more, the No. 2 skid control ECU (brake actuator assembly) judges that there is a learning malfunction, the MIL is illuminated and a DTC is stored.