DTC Table [Immobilizer System (Advanced Keyless And Start System)]

DTC CHART [IMMOBILIZER SYSTEM (ADVANCED KEYLESS AND START SYSTEM)]

DTC						Detection condition	Action
Security light flashing pattern		Keyless warning light	M-MDS display(1)
			Keyless control module	Instrument cluster	PCM
11	Courtesy of MAZDA MOTORS CORP.	Off	-	B1681	P1260	No communication detected between keyless control module and PCM	(See SECURITY LIGHT 11, DTC-/B1681/P1260 [IMMOBILIZER SYSTEM (ADVANCED KEYLESS AND START SYSTEM)] )
		On	B1681	B1681	P1260	No communication detected between coil antenna and instrument cluster	(See SECURITY LIGHT 11, DTC B1681/B1681/ P1260 [IMMOBILIZER SYSTEM (ADVANCED KEYLESS AND START SYSTEM)] )
12	Courtesy of MAZDA MOTORS CORP.	On	B2103	B2103	P1260	Coil antenna malfunction	(See SECURITY LIGHT 12, DTC B2103/B2103/ P1260 [IMMOBILIZER SYSTEM (ADVANCED KEYLESS AND START SYSTEM)] )
13	Courtesy of MAZDA MOTORS CORP.	Off	-	B1600	P1260	Key ID number cannot be read	(See SECURITY LIGHT 13, DTC-/B1600/P1260 [IMMOBILIZER SYSTEM (ADVANCED KEYLESS AND START SYSTEM)] )
		Off	-	B2431	P1260	Key ID number registration error	(See SECURITY LIGHT 13, DTC-/B2431/P1260 [IMMOBILIZER SYSTEM (ADVANCED KEYLESS AND START SYSTEM)] )
14	Courtesy of MAZDA MOTORS CORP.	Off	-	B1602	P1260	Key ID number cannot be read	(See SECURITY LIGHT 14, DTC-/B1602/P1260 [IMMOBILIZER SYSTEM (ADVANCED KEYLESS AND START SYSTEM)] )
15	Courtesy of MAZDA MOTORS CORP.	Off	-	B1601	P1260	Unprogrammed key ID number detected	(See SECURITY LIGHT 15, DTC-/B1601/P1260 [IMMOBILIZER SYSTEM (ADVANCED KEYLESS AND START SYSTEM)] )
		On	B1342	B1601	P1260	Keyless control module malfunction	(See SECURITY LIGHT 15, DTC B1342/B1601/ P1260 [IMMOBILIZER SYSTEM (ADVANCED KEYLESS AND START SYSTEM)] )
16	Courtesy of MAZDA MOTORS CORP.	Off	-	U2510	P1260	Communication error between instrument cluster and PCM (no response)	(See SECURITY LIGHT 16, DTC-/U2510/P1260 [IMMOBILIZER SYSTEM (ADVANCED KEYLESS AND START SYSTEM)] )
21	Courtesy of MAZDA MOTORS CORP.	On	B1213	B1213	P1260	Only one key ID number is programmed to the instrument cluster	(See SECURITY LIGHT 21, DTC B1213/B1213/ P1260 [IMMOBILIZER SYSTEM (ADVANCED KEYLESS AND START SYSTEM)] )
22	Courtesy of MAZDA MOTORS CORP.	On	-	B2141	P1260	Communication error between instrument cluster and PCM (data transfer error)	(See SECURITY LIGHT 22, DTC-/B2141/P1260 [IMMOBILIZER SYSTEM (ADVANCED KEYLESS AND START SYSTEM)] )
23	Courtesy of MAZDA MOTORS CORP.	On	-	B2139	P1260	ID number data in the PCM and instrument cluster do not match	(See SECURITY LIGHT 23, DTC-/B2139/P1260 [IMMOBILIZER SYSTEM (ADVANCED KEYLESS AND START SYSTEM)] )
Not illuminated		On	B1213	-	P1260	Only one key ID number is programmed to the keyless control module	(See SECURITY LIGHT - DTC B1213/-/P1260 [IMMOBILIZER SYSTEM (ADVANCED KEYLESS AND START SYSTEM)] )
		On	U0073	-	-	CAN malfunction	(See FOREWORD [MULTIPLEX COMMUNICATION SYSTEM] )
		Off	U0323 U0100 U2023	-	-	CAN malfunction	(See FOREWORD [MULTIPLEX COMMUNICATION SYSTEM] )
(1) The letters at the beginning of each DTC are only displayed when using the M-MDS, and refer to the following: B= Body system, P= Powertrain system, U= Network communication system.