With Immobilizer System

WARNING: This page is about a different car, the 2009 Mazda 6. However, it is still accessible from the selected car via links, so may be relevant.

DTC		Detection condition	Reference
M-MDS display	Security light flashing pattern	Detection condition	Reference
B10D5:13	Courtesy of MAZDA MOTORS CORP.	Coil antenna malfunction PCM determined a malfunction in coil antenna even though it is normal	(See SECURITY LIGHT: 12, DTC: B10D5:13/P1260:00 [IMMOBILIZER SYSTEM (ADVANCED KEYLESS ENTRY AND PUSH BUTTON START SYSTEM)] .)
B10D7:05	Courtesy of MAZDA MOTORS CORP.	Key ID number program error	(See SECURITY LIGHT: 13, DTC: B10D7:05/P1260:00 [IMMOBILIZER SYSTEM (ADVANCED KEYLESS ENTRY AND PUSH BUTTON START SYSTEM)] .)
B10D7:51	Courtesy of MAZDA MOTORS CORP.	Keyless control module has detected unprogrammed key ID number	(See SECURITY LIGHT: 15, DTC: B10D7:51/P1260:00 [IMMOBILIZER SYSTEM (ADVANCED KEYLESS ENTRY AND PUSH BUTTON START SYSTEM)] .)
B10D7:81	Courtesy of MAZDA MOTORS CORP.	Keyless control module cannot read key ID number data normally	(See SECURITY LIGHT: 14, DTC: B10D7:81/P1260:00 [IMMOBILIZER SYSTEM (ADVANCED KEYLESS ENTRY AND PUSH BUTTON START SYSTEM)] .)
B10D7:94	Courtesy of MAZDA MOTORS CORP.	Key ID number data cannot be read	(See SECURITY LIGHT: 13, DTC: B10D7:94/P1260:00 [IMMOBILIZER SYSTEM (ADVANCED KEYLESS ENTRY AND PUSH BUTTON START SYSTEM)] .)
B10D8:00	Courtesy of MAZDA MOTORS CORP.	Only one key or no key ID number programmed	(See SECURITY LIGHT: 21, DTC: B10D8:00/P1260:00 [IMMOBILIZER SYSTEM (ADVANCED KEYLESS ENTRY AND PUSH BUTTON START SYSTEM)] .)
B10D9:87	Courtesy of MAZDA MOTORS CORP.	No detected communication with coil antenna	(See SECURITY LIGHT: 11, DTC: B10D9:87/P1260:00 [IMMOBILIZER SYSTEM (ADVANCED KEYLESS ENTRY AND PUSH BUTTON START SYSTEM)] .)
B10DA:51	Courtesy of MAZDA MOTORS CORP.	Communication error between keyless control module and PCM (data transfer error)	(See SECURITY LIGHT: 22, DTC: B10DA:51/P1260:00 [IMMOBILIZER SYSTEM (ADVANCED KEYLESS ENTRY AND PUSH BUTTON START SYSTEM)] .)
B10DA:62	Courtesy of MAZDA MOTORS CORP.	ID number data between keyless control module and PCM are different	(See SECURITY LIGHT: 23, DTC: B10DA.62/P1260:00 [IMMOBILIZER SYSTEM (ADVANCED KEYLESS ENTRY AND PUSH BUTTON START SYSTEM)] .)
B10E6:11	Not illuminated	Voltage less than threshold (2.2-6.5 V ) is detected for 0.5 s while coil antenna power supply circuit is active	(See SECURITY LIGHT: NOT ILLUMINATED, DTC B10E6:11/- [IMMOBILIZER SYSTEM (ADVANCED KEYLESS ENTRY AND PUSH BUTTON START SYSTEM)] .)
B10E6.12	Not illuminated	Voltage higher than threshold (2.2-6.5 V ) is detected for 0.05 s while coil antenna power supply circuit is not active	(See SECURITY LIGHT: NOT ILLUMINATED, DTC B10E6:12/- [IMMOBILIZER SYSTEM (ADVANCED KEYLESS ENTRY AND PUSH BUTTON START SYSTEM)] .)
110100:87	Courtesy of MAZDA MOTORS CORP.	Communication error between keyless control module and PCM (no response/ condition mismatch)	(See SECURITY LIGHT: 16, DTC: U0100:87/P1260:00 [IMMOBILIZER SYSTEM (ADVANCED KEYLESS ENTRY AND PUSH BUTTON START SYSTEM)] .)