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DTC U3000 49: Front Body Control Module (FBCM) Internal Malfunction: Notes

WARNING: This page is about a different car, the 2014 Mazda 3. However, it is still accessible from the selected car via links, so may be relevant.
DTC U3000 49 DETECTION CONDITION AND POSSIBLE CAUSE

Description  Front body control module (FBCM) internal malfunction 
Detection condition 
  • Front body control module (FBCM) detects the internal malfunction.
Fail-safe function  Not applicable
Possible cause 
  • Front body control module (FBCM) malfunction
System wiring diagram  Not applicable