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Home >> Mazda >> 2013 >> CX-5 Touring, AWD >> Repair and Diagnosis >> Accessories & Equipment >> Communication Devices >> On-Board Diagnostic [Front Body Control Module] >> DTC B134D-02: Headlight Control Signal Error >> Notes
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DTC B134D-02: Headlight Control Signal Error: Notes

DETECTION CONDITION AND POSSIBLE CAUSE

System malfunction location  Headlight control signal error 
Detection condition 
  • Error start stop unit signal is detected for 5 s or more  with the ignition switched ON (engine off or on).
Fail-safe  -
Possible cause 
  • Start stop unit malfunction
  • Front body control module (FBCM) malfunction
System wiring diagram  -