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DTC B13FE-14: Headlight Lo Relay No. 2 Circuit Malfunction: Notes

WARNING: This page is about a different car, the 2018 Mazda 6. However, it is still accessible from the selected car via links, so may be relevant.
DTC B13FE:14 (FRONT BODY CONTROL MODULE (FBCM)) DETECTION CONDITION AND POSSIBLE CAUSE

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