350IROC, ALLSCALE,
"I'm having and issue controlling my TMCC engine's through DCS after the 5.0 update. Any ideas? It's like the remote is no longer communicating to the TMCC base unit anymore"
I think the key word here is TMCC engines. I was told that the ability to control TMCC engines thru the WIU will be in the PRO ($24.99?) version, not yet available.
I updated my TIU to 5.0 a few days ago. Today, just to verify your findings, I tried running my TMCC engines via the DCS remote (both remote and TIU are now 5.0). They worked as usual.
Perhaps after the update, you forgot to re-plug in the serial wire to the TMCC unit at the TIU end? IF you have an older TIU, you would have disconnected this wire to do the update. I know it's a simple mistake, but hoping to narrow down the problem.
Ed
ps. I'm guessing that your DCS engines are working, right? You don't mention them in describing the TMCC issue.