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Home >> Mazda >> 2021 >> 6 Signature >> Repair and Diagnosis (Single Page) >> Accessories & Equipment >> Anti-Theft Systems >> On-Board Diagnostic - Start Stop Unit >> DTC B13C3-04: LF Control Unit Internal Malfunction [Start Stop Unit] >> Notes

DTC B13C3-04: LF Control Unit Internal Malfunction [Start Stop Unit]: Notes

DTC B13C3:04 [START STOP UNIT] 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