Pitlane Speed Limiting devices

The FIA has allowed the teams to resume using pitlane speed limiters but only if they read the speed of the front tires instead of the rears. This is to eliminate the teams from applying erasable software to be used as traction control. Sounds reasonable to me but doesn't really address the traction control situation. The teams are still capable of using hidden software packages to limit output to the rear tires and the FIA still does not have a way to detect it. Seems to me that the only way to truly eliminate any possibility of this is to make a mandatory software package that is supplied by the FIA to all of the teams not unlike the boost limiting hardware found on CART cars.

Limiting boost limits well boost!
doesnt limit power.
limits the rate at which power can be devolped.

u cant have a standard system.
might as well make the engines all the same. performance advantages woudl be lost. and u just cant do it!!
losing the limiter off the rear wheels is fine, a good idea, and they should have realised it ages ago!

just a thought, but wot happens if the driver locks the front up when coming into the pits, and pushing the button at the same time?