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Home >> Mazda >> 2021 >> CX-5 Signature >> Repair and Diagnosis >> External Pages >> Different car >> Section 120 (On-Board Diagnostic - Front Body Control Module (FBCM)) >> DTC B141E:12 [Front Body Control Module (FBCM)] >> Notes
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DTC B141E:12 [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 B141E:12 (FRONT BODY CONTROL MODULE) DETECTION CONDITION AND POSSIBLE CAUSES

Description Headlight LO relay No. 2 circuit malfunction
Detection condition
  • Front body control module (FBCM) detects a short to power supply in the headlight LO relay No. 2 circuit with the ignition switched ON (engine off or on).
Fail-safe function Not applicable
Possible cause
  • Headlight LO relay No. 2 malfunction
  • Front body control module (FBCM) connector or terminal malfunction
  • Short to power supply in the wiring harness between headlight LO relay No. 2 terminal E and front body control module (FBCM) terminal 1M
  • Front body control module (FBCM) malfunction
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