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Home >> Mazda >> 2017 >> CX-5 Grand Select, FWD >> Repair and Diagnosis >> Accessories & Equipment >> Communication Devices >> 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

DTC B1142:13 (FRONT BODY CONTROL MODULE) DETECTION CONDITION AND POSSIBLE CAUSES

Description IG1 relay circuit malfunction
Detection condition
  • Front body control module (FBCM) detects an open circuit in the IG1 relay circuit for 2 s or more with the ignition switched ON (engine off or on).
Fail-safe function Not applicable
Possible cause
  • IG1 relay malfunction
  • Front body control module (FBCM) connector or terminal malfunction
  • IG1 relay 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
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