Agreed with carlhenry. Air suspension does not like the cold and leaks are fatal to the oem compressors because it's drawing moist air in to replenish the system. Fix the leak asap or you're in for a new compressor. As a side note, Dorman makes an upgraded compressor setup now but it hasn't...
Update: They replaced the ECM as I requested after some intense discussion between service writer and his top mechanics. Got her back and the issue is gone! All covered under warranty. No more weird issues.
Long running issue, truck is currently at the dealer. In case someone comes across similar issues here's the story
Truck ran 100% fine prior to emissions tune. After I picked it up I got a warning chime and low voltage message on my drive home.
Truck went back for EGR and this. EGR was...
Like anything else, a little maintenance can work wonders. It's no different than any air system in a big rig except it is designed to be sealed until it gets low on pressure from a leak and FCA didn't bother to provide for that so I used some ingenuity and 25 years of wrenching to find my own...
So for those that have run across a freezing compressor and want to head off issues before they cost a pile of money, here's what I did.
Supplies:
R-134a Gauge Set
Nitrogen tank from local welding supply store
Nitrogen regulator
Adapter
Vacuum pump
That's really all it tkes. I had to get a...