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Home >> Mazda >> 2020 >> CX-3 AWD >> Repair and Diagnosis (Single Page) >> Accessories & Equipment >> Anti-Theft Systems >> On-Board Diagnostic - Advanced Keyless Entry System >> DTC B13C3-04: LF Control Unit Internal Malfunction (Advanced Keyless Entry System) >> Notes
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DTC B13C3-04: LF Control Unit Internal Malfunction (Advanced Keyless Entry System): Notes

DTC B13C3:04 (ADVANCED KEYLESS ENTRY SYSTEM) DETECTION CONDITION AND POSSIBLE CAUSE

Description LF control unit internal malfunction
Detection condition
  • Start stop unit detects the LF control unit internal malfunction.
Fail-safe
  • Inhibits the door lock/unlock control using the advanced keyless entry system.
Possible cause
  • LF control unit internal malfunction
  • Start stop unit malfunction
System wiring diagram Not applicable