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DTC U0235/72 Communication Error from Distance Control ECU to Laser Radar Sensor: Description

The laser radar sensor and distance control ECU always communicate the data for vehicle general control and diagnosis function each other via communication line.

The distance control ECU determines the presumed R information based on the signal from the steering wheel and yaw rate sensor.

The distance control ECU transmits the current vehicle speed and presumed R information to the laser radar sensor.

COMMUNICATION ERROR FROM DISTANCE CONTROL ECU TO LASER RADAR SENSOR

DTC No. DTC Detection Condition Trouble Area
U0235/72 The malfunction code is output when the ECM detects the communication error signal from the distance control ECU to the laser radar sensor for 0.15 sec. or more while the dynamic laser cruise control is in operation.
  • Communication circuit
  • Laser radar sensor
  • Distance control ECU