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Home >> Lexus >> 2023 >> NX 250 AWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 9 (Electronically Controlled Brake System - Diagnostic Codes (3 Of 6)) >> ELECTRONICALLY CONTROLLED BRAKE SYSTEM (for HEV Model) >> DTC C124A-00: Non-learning of the Braking System information [11/2021 - ] >> Description

DTC C124A-00: Non-learning of the Braking System information [11/2021 - ]: Description

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DTC No. Detection Item DTC Detection Condition Trouble Area MIL DTC Output from Note
C124A-00 Non-learning of the Braking System information Either of the following is detected:
  • The engine type, powertrain variation and destination information sent from the hybrid vehicle control ECU do not match the information stored in the No. 2 skid control ECU (brake actuator assembly).
  • No system information stored in the No. 2 skid control ECU (brake actuator assembly).
  • Incorrect hybrid vehicle control ECU installed
  • No. 2 skid control ECU (brake actuator assembly)
Does not come on Brake/EPB Output ECU: No. 2 skid control ECU (brake actuator assembly)