FixVault

No.3 Transmitter Id Code Cannot Be Reprogrammed [Keyless Entry System]: Notes

WARNING: This page is about a different car, the 2007 Mazda 3. However, it is still accessible from the selected car via links, so may be relevant.
DETECTION CONDITION POSSIBLE CAUSE

3 Transmitter ID code cannot be reprogrammed
DESCRIPTION 
  • Malfunction in transmitter battery, transmitter, PJB circuit, or keyless control module circuit.
POSSIBLE CAUSE 
  • Malfunction in transmitter battery, transmitter, PJB, or keyless control module.
G04956629Courtesy of MAZDA MOTORS CORP.