1) Connect the scan tool.
2) Turn OFF the ignition switch for 30 seconds or more.
3) Start the engine.
4) Observe the DTC information with a scan tool. Is a DTC set?
Yes
Referring to DTC U0055[88] in the central gateway control unit, inspect the CAN circuit.
No
Go to Intermittent conditions of radar sensor system.
Refer to "233.Driver Assistance System 46D.Symptom(Radar Sensor) intermittent conditions of radar sensor system".