No. 3 Keyless Entry Remote Transmitter Id Code Cannot Be Reprogrammed: Notes

3	Keyless entry remote transmitter ID code cannot be reprogrammed
DESCRIPTION	Malfunction in BCM circuit, or keyless receive circuit.
POSSIBLE CAUSE	Malfunction in keyless receiver Keyless receiver malfunction Keyless receiver power supply fuse malfunction Malfunction in wiring harness between keyless receiver and ground Malfunction in wiring harness between keyless receiver and BCM Malfunction in wiring harness between keyless receiver power supply fuses and keyless receiver Malfunction in BCM Malfunction in wiring harness between keyless receiver and BCM Malfunction in BCM
Courtesy of MAZDA MOTORS CORP.