DTC U0422-00: Error Signal Received From Front Body Control Module: Notes

System malfunction location	Error signal received from front body control module (FBCM)
Detection condition	Communication error between front body control module (FBCM) and radar unit
Fail-safe	Inhibits the Mazda radar cruise control (MRCC) system control Inhibits the smart brake support (SBS) system control
Possible cause	Front body control module (FBCM) malfunction Radar unit malfunction
System wiring diagram	Not applicable