LEMON Manuals: Even more car manuals for everyone: 1960-2025
Home >> Mazda >> 2021 >> 6 Signature >> Repair and Diagnosis (Single Page) >> Accessories & Equipment >> Anti-Theft Systems >> On-Board Diagnostic - Start Stop Unit >> Security Indicator Light: 11, DTC: B10D9-87/P1260-00: Coil Antenna (Built Into Push Button Start) Error [Start Stop Unit] >> Notes
April 5, 2026: LEMON Manuals is launched! Read the announcement.

Security Indicator Light: 11, DTC: B10D9-87/P1260-00: Coil Antenna (Built Into Push Button Start) Error [Start Stop Unit]: Notes

SECURITY INDICATOR LIGHT: 11, DTC: B10D9:87/P1260:00 [START STOP UNIT] DETECTION CONDITION AND POSSIBLE CAUSE

Description Coil antenna (built into push button start) error
Detection condition
  • Start stop unit detected a malfunction in the coil antenna, and remote transmitter communication is not possible.
Fail-safe Not applicable
Possible cause
  • Push button start connector or terminal malfunction
  • Start stop unit connector or terminal malfunction
  • Short to ground in wiring harness between the following terminals:
  • Start stop unit terminal 1AC-Push button start terminal A
    • Start stop unit terminal 1AE-Push button start terminal B
  • Open circuit in wiring harness between the following terminals:
  • Start stop unit terminal 1AC-Push button start terminal A
    • Start stop unit terminal 1AE-Push button start terminal B
  • Coil antenna malfunction
  • Start stop unit malfunction
G13724157Courtesy of MAZDA MOTORS CORP.