DTC U0100: Lost Communication with ECM / PCM "A"; DTC U0104: Lost Communication with Cruise Control Module; DTC U0122: Lost Communication with Vehicle Dynamics Control Module [08/2020 - ]: Description
The millimeter wave radar sensor assembly communicates with each sensor and ECU via CAN communication.
If any malfunction is detected in a CAN communication circuit, one or more CAN communication system DTCs are stored.
| DTC No. | Detection Item | DTC Detection Condition | Trouble Area | DTC Output from |
|---|---|---|---|---|
| U0100 | Lost Communication with ECM / PCM "A" | Condition 1:
Condition 2:
|
Condition 1:
Condition 2:
|
Radar Cruise 1 |
| U0104 | Lost Communication with Cruise Control Module | While the vehicle speed is 5 km/h (3 mph) or more and the dynamic radar cruise control system is operating, a communication error between the millimeter wave radar sensor assembly and ECM is detected for 1 second or more. |
|
Radar Cruise 1 |
| U0122 | Lost Communication with Vehicle Dynamics Control Module | When the ignition switch is ON and the dynamic radar cruise control system is operating, a communication error between the skid control ECU (brake actuator assembly) and the ECM is detected for approximately 1 second or more. |
|
Radar Cruise 1 |