Hi @yardy
Are you using the jumper blocks J14.15/J14.17 to JP1.10/JP1.12 respectively for QUP_19?
3bc252f7-62fd-405c-bbba-3952ac1d8135-image.png
That will result in 3.3V RX/TX signals at J9 on M0144.
df8a06bd-c23f-4c7f-bd00-ae3fce0529b2-image.png
Just want to clarify so that SW is not chasing any red herrings.
Thanks!