Ducati Monster 796 Workshop Manual page 225

Instruments
Immobilizer Reprogramming (service menu 1)
This function is for reprogramming the immobilizer system in the event of loss or damage to one or both of the keys.
To display this function, go into the service menu and select the page "0000 COD".
Note
Within this function all other functions are excluded and motorcycle starting is disabled.
On entering this page, the initial code is always displayed as "00000". If you hold pressed switch (1) in position B "t" for 3
seconds, you will access the procedure for entering the electronic code given on the CODE CARD.
Entering the code:
the first digit on the left flashes;
each time you press the switch in position B "t", the number increases cyclically in steps of one digit every second;
if you press the switch in position A "s", you can set the second digit, which will start flashing. Each time you press the
switch in position B "t", the number increases cyclically in steps of one digit every second;
if you press the switch in position A "s", you can set the third digit, which will start flashing. Each time you press the
switch in position B "t", the number increases cyclically in steps of one digit every second;
if you press the switch in position A "s", you can set the fourth digit, which will start flashing. Each time you press the
switch in position B "t", the number increases cyclically in steps of one digit every second;
press in position A "s" to confirm the code.
At this point, if the code was entered incorrectly, the display will show the initial code "00000". There is no limit to the
number of times the code may be entered incorrectly.
if you press the switch in position A "s", you can set the fifth digit, which will start flashing. Each time you press the
switch in position B "t", the number increases cyclically in steps of one digit every second;
If the code has been entered correctly, the message "COD" and the code entered will flash simultaneously until Key-Off.
From this moment on, the immobilizer system is waiting to be programmed with the new key (or keys); at the next Key-
On, reprogram the keys using the procedure described in "Programming the immobilizer".
Note
During this stage, the immobilizer system will immobilise the engine until the keys have been reprogrammed.