DTC B13FE 14: Headlight Lo Relay (RH) Circuit Malfunction: Notes
WARNING: This page is about a different car, the 2014 Mazda 6. 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 CAUSES
| Description |
Headlight LO relay (RH) circuit malfunction |
| Detection condition |
- Front body control module (FBCM) detects an open circuit or short to ground in the headlight LO relay (RH) circuit with the ignition switched ON (engine off or on).
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| Fail-safe function |
Not applicable |
| Possible cause |
- Headlight LO relay (RH) malfunction
- Front body control module (FBCM) connector or terminal malfunction
- Short to ground in the wiring harness between headlight LO relay (RH) terminal E and front body control module (FBCM) terminal 2V
- Open circuit in the wiring harness between headlight LO relay (RH) terminal E 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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