The radar sensor (Right) receives the control information from the EHCU via the Chassis CAN communication circuit and radar sensor (Left). If the radar sensor (Right) detects an error in the data received from the EHCU, the DTC is set.
Condition for running the DTC
Refer to "75.Driver Assistance System 10W.Troubleshooting(Radar Sensor (Right)) DTC U0121[00] EHCU Signal Timeout".
Condition for setting the DTC