Garmin G500(H)/G600/G700 TXi
The 2020 version of G500(H)/G600/G700 TXi Software v3.10 documentation reveals specified support for CiES probes (fuel senders). This is specified on page 10 of the report. You can view or download the pdf report here: https://static.garmin.com/pumac/190-01717-31_a.pdf.