Did you swap the steppers?
I have 4 pieces of TMC2209 from MKS. I swapped them around and they behave the same.
Did it work with Marlin?
I haven’t tried Marlin. After the Klipper I have no desire to go back to Marlin.
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Go back to Marlin? So it was running under Marlin before?
When I used Marlin, TMC2209 were not connected by uart.
Have you thought about taking a different pin for UART than PA1 (DIR of Extruder 1)?
I’m running fine with a free MISO pin on my Vivedino 1.1 board
@rusvas86 Did you try to verify TMC settings with DUMP_TMC command?
https://www.klipper3d.org/TMC_Drivers.html?h=dump_tmc#querying-and-diagnosing-driver-settings