Looks to me like the whole problem was one that affects all vehicles ....
Get stuck on the belly plate ... and you just need to jack and pack ....
Or go get the missus ....
Traction on any vehicle depends on vehicle weight keeping sufficient tyre pressure on the terrain ... Once the vehicle weight is supported by some other influence - all the electronic gizmos in the world wont help ... except
maybe - swaybar disconnects to let the axle drop lower.