LEMON Manuals: Even more car manuals for everyone: 1960-2025
Home >> Mazda >> 2020 >> 6 Signature >> Repair and Diagnosis (Single Page) >> Accessories & Equipment >> Anti-Theft Systems >> On-Board Diagnostics - Start Stop Unit >> Security Indicator Light: 15, DTC B13D3-51, P1260-00: Unregistered Remote Transmitter Is Detected >> Notes
April 5, 2026: LEMON Manuals is launched! Read the announcement.

Security Indicator Light: 15, DTC B13D3-51, P1260-00: Unregistered Remote Transmitter Is Detected: Notes

SECURITY INDICATOR LIGHT: 15, DTC: B13D3:51/P1260:00 (START STOP UNIT) DETECTION CONDITION AND POSSIBLE CAUSE

Description Unregistered Remote Transmitter Is Detected
Detection condition
  • Start stop unit detects that the remote transmitter has not been programmed.
Fail-safe Not applicable
Possible cause
  • Remote transmitter malfunction
    • The remote transmitter is not programmed after replacing the start stop unit.
      • Unprogrammed remote transmitter was used.
  • Start stop unit malfunction
System wiring diagram Not applicable