DTC U1102: Lost Communication with Radar Sensor: Description
The millimeter wave radar sensor and distance control ECU (cruise control ECU) transmit the data for general vehicle control and diagnosis function along the communication line. The distance control ECU (cruise control ECU) determines the curve radius information based on signals from the steering wheel and yaw rate sensor. The distance control ECU (cruise control ECU) transmits the current vehicle speed and curve radius information to the millimeter wave radar sensor.
DIAGNOSTIC TROUBLE CODE CHART
| DTC No. | DTC Detection Condition | Trouble Area |
|---|---|---|
| U1102 | The ECM detects a communication error signal (from the distance control ECU (cruise control ECU) to the millimeter wave radar sensor) for 0.15 sec. or more while the dynamic radar cruise control is in operation |
|