There are 4 solutions for 2019 vw amarok 3.0 v6 TDi cluster calibration via obd.
I made one last month with OBDSTAR X300DP PLUS
Don’t laugh, it’s true
I have done a few 2014 Vw Amarok Nec + 24C64 via obd with Obdstar X300m read save and write 100%
I used Enigma Tool to do the job 100% it was a continental cluster
x100 pad2 pro from Xtool works good.
x100 pad2 will also program keys on VW Amarok.
Read also: how to use Xtool X100 PAD2 to program VW Amarok 2015 remote