DSD Information System
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DTC C124A-05: Braking System information System Programming Failure [10/2021 - 11/2023]: Description

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DTC No. Detection Item DTC Detection Condition Trouble Area MIL Note
C124A-05 Braking System information System Programming Failure When the vehicle speed is 40 km/h (25 mph) or more, one of the following conditions is met:
  • 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)
Comes on
  • SAE Code: C124A
  • Output ECU: No. 2 skid control ECU (brake actuator assembly)