DTC B13FE:14 [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 B13FE:14 (FRONT BODY CONTROL MODULE) DETECTION CONDITION AND POSSIBLE CAUSE
| Description |
Headlight LO relay No. 1 circuit malfunction |
| Detection condition |
- Front body control module (FBCM) detects an open circuit or short to ground in the headlight LO relay No. 1 circuit with the ignition switched ON (engine off or on).
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| Fail-safe |
Not applicable |
| Possible cause |
- headlight LO relay No. 1 malfunction
- Front body control module (FBCM) connector or terminal malfunction
- Short to ground in the wiring harness between headlight LO relay No. 1 terminal A and front body control module (FBCM) terminal 2V
- Open circuit in the wiring harness between headlight LO relay No. 1 terminal A and front body control module (FBCM) terminal 2V
- Front body control module (FBCM) malfunction
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 Courtesy of MAZDA MOTORS CORP.
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