FixVault

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

System malfunction location Error signal received from front body control module (FBCM)
Detection condition 
  • Communication error between front body control module (FBCM) and vehicle control module (V/C-module)
Fail-safe 
  • Inhibits the Mazda radar cruise control (MRCC) system control
  • Inhibits the forward obstruction warning (FOW) system control
Possible cause 
  • Front body control module (FBCM) malfunction
  • Vehicle control module (V/C-module) malfunction
System wiring diagram 
  • Not applicable