Any ideas as to why on a fairly regular basis the DCS app will find a locomotive no problem but the remote will not. Other times it's the exact opposite.
The remote and the app communicate with the TIU in completely different ways. Regardless, your question is too broad to have other than a range of generic answers, i.e., "the usual culprits".
You need to be specific as regards each exact scenario and also whether this happens with the same engines or different engines, and all of the time or intermittently.
