Lonsdor K518 “Device Fault9fff” Solution


My Lonsdor K518ISE shows device fault9fff error on the screen. Any idea what could be the problem. And it has a continuous clicking sound.



Unplug obd cable and restart device.

Or change OBD cable.

If all not working, contact us, we will consult Lonsdor technician to check if your device needs repair.

error: www.obdii365.com