Hi Keith, Thank you for your response. We use a Plug-Play module in our design, and I originally had access only to the main PCB schematic. After getting access to the Plug-Play module schematic, I noticed that the EXC+ and EXC- aren't by default connected to REFP and REFN as it was originally designed for 6-wire. I quickly connected EXC+ and EXC- to the 2 pins connected to REFP and REFN on the main PCB and it looks like it fixed the issue. Thanks!
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