Security Light: 11, DTC: B10D9:87/P1260:00 [Immobilizer System (Keyless Entry System)]: Notes

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SECURITY LIGHT: 11, DTC: B10D9:87/P1260:00 (IMMOBILIZER SYSTEM (KEYLESS ENTRY SYSTEM) DETECTION CONDITION POSSIBLE CAUSE

DTC	Security light flashing pattern		11	No detected communication with coil antenna
	M-MDS display	Instrument cluster	B10D9:87
	M-MDS display	PCM	P1260:00
POSSIBLE CAUSE				METER 15 A fuse malfunction Connector or terminal malfunction Short to ground or open circuit in coil antenna power supply circuit Open circuit in coil antenna ground circuit Open circuit in wiring harness between coil antenna terminal D and instrument cluster terminal 2G Open circuit in wiring harness between coil antenna terminal C and instrument cluster terminal 2E Coil antenna malfunction Instrument cluster malfunction
Courtesy of MAZDA MOTORS CORP.