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Home >> Toyota >> 2021 >> Corolla XLE >> Repair and Diagnosis >> Brakes >> Mechanical - Hydraulic >> Electronically Controlled Brake System (Except HEV) (W/O Electric Parking Brake) - Diagnostic Codes (2 Of 3) >> ELECTRONICALLY CONTROLLED BRAKE SYSTEM (for Gasoline Model without Electric Parking Brake System) >> DTC C0597-04: Brake System Control Module "A" System Internal Failure [01/2019 - 09/2022] >> Description

DTC C0597-04: Brake System Control Module "A" System Internal Failure [01/2019 - 09/2022]: Description

The skid control ECU (brake actuator assembly) stores this DTC if malfunctions are found in a circuit inside the ECU by self diagnosis.

DTC No. Detection Item DTC Detection Condition Trouble Area
C0597-04 Brake System Control Module "A" System Internal Failure Internal failure of the skid control ECU (brake actuator assembly). Skid control ECU (brake actuator assembly)