FixVault

DTC U2100 00: Front Body Control Module (FBCM) Configuration Error: Notes

WARNING: This page is about a different car, the 2014 Mazda 6. However, it is still accessible from the selected car via links, so may be relevant.
DTC U2100:00 (FRONT BODY CONTROL MODULE) DETECTION CONDITION AND POSSIBLE CAUSES

Description  Front body control module (FBCM) configuration error 
Detection condition 
  • Front body control module (FBCM) configuration error (no configuration) detected.
Fail-safe function  Not applicable
Possible cause 
  • Front body control module (FBCM) configuration error
  • Front body control module (FBCM) malfunction
System wiring diagram  Not applicable