I have a 2012 Cadillac SRX and the rear tail gate goes up ...
The first thing to do is to look at the hydraulic actuators. There is one that has hydraulic lines to it make sure that there are no leaks anywhere. ... 2012 Cadillac SRX, I recently replaced the lift gate module due to water in that lower compartment . The lift gate does operate but goes up and almost immediately comes back down.