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DTC C1A50: Brake System Malfunction [11/2017 - 03/2019]: Description

When the pre-collision system is operating, the driving support ECU assembly sends brake control signals to the skid control ECU (brake actuator assembly).

If the driving support ECU assembly receives a vehicle stability control system malfunction signal from the skid control ECU (brake actuator assembly) via CAN communication, DTC C1A50 will be stored.

DTC No. Detection Item DTC Detection Condition Trouble Area
C1A50 Brake System Malfunction While the engine switch is on (IG), the driving support ECU assembly receives a vehicle stability control system malfunction signal from the skid control ECU (brake actuator assembly) for 0.3 seconds or more.
  • Vehicle stability control system
  • Skid control ECU (Brake actuator assembly)
  • Driving support ECU assembly