SMS structure is as follows:
<login><space><password><space><command>
Example for profile 1:
<login><space><password>setparam 1290 1
What answer you are getting when you use profile number ? On all of these firmware version command should work.
If you are trying to disable authorized driving you can do it with parameter x921,
setparam 3921 0 -disable
setparam 3921 1 -enable
This command will disable authorized driving scenario.