Xhorse SK283, User Manual

Page: 23 / 48

BMW TOOL User Manual
23
Ver: 1.1

Add key with working key select Have a working key.

Lost all working key, there are 3 methods:
1)
Have ECU dump file, load ECU dump file to continue
2)
Known ISN, input 16 bytes ISN to continue
(PICTURE 6.3)

About remote function not work in CAS1/CAS2/CAS3/CAS3+: Remote not work
caused by synchronization codes not same between key and CAS, just need do the
synchronize operation: Press any button on new key, now remote function not
work, start engine with this key for several seconds, switch off ignition, try
remote again, works

About write back new dump after make key for CAS1/CAS2/CAS3/CAS3+:
 File make key not detected the key is disabled or not. If your key not work, you’d
better enable the new key position with working key(Direct enable key without get
key info)
 If select a blank position for new key, usually don’t require write back new dump. If
not work
，
test write back method

If select a used position for new key, you must write new dump back to CAS

Please don’t choose 10th key for CAS3+ encrypt version

Under lost all key for CAS3+ encrypt version get window (PICTURE 6.4): This
window will come after first time write key. When you get this window, first try data
was written to temp key. Here will save a new dump contain temp key ID. Insert temp
key
can switch on ignition (you can try for twice, only for cluster show), don’t write
new dump back (CAS3+ encrypt version with new key in blank position don’t need
write back).
If you try several times still can’t switch on, need write back new
dump. Note: make sure the new key position is not disabled