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Garmin GTX 345 Issues

Redbud40

Well Known Member
Transponder working fine then went into no transponder no ADSB mode.
Figure 7-2. Came back for awhile but then went back into failure mode as in 7-2.
Not much guidance other than what the screen is displaying.
Any suggestions. Unit less than 2 years old.
 

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antenna

I would suggest there is about 8 in 10 chance it is the antenna, antenna coax, coax connectors.
 
The "No 1090ES TX" error will happen if the GTX 345 looses Baro and/or Position.
 
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