Replace the system with conventional coil.
FCC/FCA should be doing a recall on this defective system, but they will not.
If you live in a cold climate, this failure will happen when it gets good and cold out. Mine would collapse on the front stops if it was colder then -15C overnight. Twice the "repairs" were made under warranty and the third was made as a good will gesture by the dealership. There never less then 4 trucks on the dealership lot with collapsed air suspension when I would bring my vehicle in.
If it is cold related, all the dealership does is check the system for leaks, purge, refill, and reset. This will resolve the situation temporarily but is not a solution.
The solution (if it is cold weather related) is to swap out the air suspension and replace it with a conventional coil system. If you can turn a wrench, it is something you can do yourself. There are several forum posts on this site that can help with a parts list and how to's. There are also videos on youtube that show how to do the conversion. I paid about $2000 CDN for the parts and did the work myself. As a good measure, I would suggest an alignment when you are done.
However, unless you can have your computer flashed, you will have a brief error message indicating your suspension requires servicing. This will happen on every start up (unless you remove the air suspension from your truck's computer.)
This problem and the "hemi-tick" have made me re-think my commitment to Ram. Both of these problems are easily remedied by FCA/FCC. They are unwillingly to correct these two problems that can cost their customers thousands of dollars to repair.
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