DTC U3003:16 [Front Body Control Module (FBCM)]: Notes

WARNING: This page is about a different car, the 2017 Mazda CX-5. However, it is still accessible from the selected car via links, so may be relevant.

DTC U3003:16 (FRONT BODY CONTROL MODULE) DETECTION CONDITION AND POSSIBLE CAUSES

Description	Front body control module (FBCM) power supply voltage (+B power supply) low input
Detection condition	Front body control module (FBCM) power supply circuit voltage of 8.8 V or less is detected for 10 s or more with the ignition switched ON (engine off or on).
Fail-safe function	Not applicable
Possible cause	DTCs are stored in the PCM. HAZARD 25 A fuse malfunction MAIN 200 A fuse malfunction Battery malfunction Generator malfunction Front body control module (FBCM) connector or terminal malfunction Front body control module (FBCM) malfunction
System wiring diagram	Not applicable