Dont see built-in baro output in the canbus stream

from light client connected to emu black on bench with v3 sw and canbus stream set to haltech v2 output, i see no baro output in can stream when built-in map sensor is set to baro. baro is logging correctly but does not appear to get sent out the canbus stream. i was looking at this because i was planning to set up a canbus vac guage from external map sensor output and baro output from built in.