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Home >> Mazda >> 2016 >> CX-3 Touring, AWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 28 (On-Board Diagnostic - Front Body Control Module) >> DTC B13FE 12: Headlight Lo Relay (RH) Circuit Malfunction >> Notes
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DTC B13FE 12: Headlight Lo Relay (RH) Circuit Malfunction: Notes

WARNING: This page is about a different car, the 2014 Mazda 3. However, it is still accessible from the selected car via links, so may be relevant.
DTC B13FE 12 DETECTION CONDITION AND POSSIBLE CAUSE

Description  Headlight LO relay (RH) circuit malfunction 
Detection condition 
  • Front body control module (FBCM) detects a short to power supply in the headlight LO relay (RH) circuit with the ignition switched ON (engine off or on).
Fail-safe function  Not applicable
Possible cause 
  • Headlight LO relay (RH) malfunction
  • Front body control module (FBCM) connector or terminal malfunction
  • Short to power supply 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
G09771801Courtesy of MAZDA MOTORS CORP.