I have a CCGX and a Maretron 6-channel tank level sensor. The sensor issues PGN127505 level readings which are completely ignored by the CCGX.
A couple of years ago on the old discussion board I was told that the issue was that the CCGX was strictly checking the NMEA registration of the Maretron device and rejecting data from it. The implication then was that the "issue" was scheduled for a fix.
24 months have elapsed and I still can't see tank levels on the Color Control. Any further information or suggestions for a fix would be really welcome.