Possible Causes
- Passive key authorization missing message
- Confirm placement of key within vehicle
- Medium speed CAN fault
- Smart key battery low/battery contact issue
- Interference from other RF signal
- Electromagnetic compatibility/noise
- Keyless vehicle module fault
- RF receiver fault
- RF receiver not programmed correctly
- Serial communication fault (between RF receiver and keyless vehicle module)
- Smart key fault
- Passive antenna fault
- Central junction box fault