Hi, your scanner need a firmware update probably, I have found out that there are
problems with ecu communications sometimes with the508. See you tube for
instruction video on how to update scanner firmware. The update you can you do
yourself, 1. Make sure your tablet has power and stable access to the internet. 2 . tap
update button from the maxim job menu ,or tap the update icon on vehicle menu, the
update screen displays3. Check available updates choose what you want tap the
correct button. 4 when process is completed the firmware Will be installed
automatically, it will replace the old version.