Mike's Workshop Manuals: Service manuals for every vehicle
Home >> Mazda >> 2024 >> CX-50 S Select >> Repair and Diagnosis >> External Pages >> Different car >> Section 65 (On-Board Diagnostic - Front Body Control Module (FBCM)) >> DTC B1142:13 [Front Body Control Module (FBCM)] >> Notes

DTC B1142:13 [Front Body Control Module (FBCM)]: Notes

WARNING: This page is about a different car, the 2024 Mazda CX-5. However, it is still accessible from the selected car via links, so may be relevant.
DTC B1142:13 (FRONT BODY CONTROL MODULE) DETECTION CONDITION AND POSSIBLE CAUSE

Description IG1 circuit malfunction
Detection condition
  • Front body control module (FBCM) detects an open circuit in the IG1 circuit for 2s or more with the ignition switched ON (engine off or on).
Fail-safe Not applicable
Possible cause
  • IG1 relay malfunction
  • Front body control module (FBCM) connector or terminal malfunction
  • IG1 circuit malfunction
    • C/U IG1 15 A fuse malfunction
    • Open circuit in the wiring harness between IG1 relay terminal C and front body control module (FBCM) terminal 2M
  • Front body control module (FBCM) malfunction
G16332610Courtesy of MAZDA MOTORS CORP.