DTC U0405-00: Error Signal Received From Radar Unit: Notes

Description	Error signal received from radar unit
Detection condition	Instrument cluster receives error signals from the radar unit for 1 s or more with the ignition switched ON (engine off or on).
Fail-safe function	Not applicable
Possible cause	DTCs are stored in the radar unit. Radar unit malfunction Instrument cluster malfunction
System wiring diagram	Not applicable