I installed an Amazon special hud that displays some useful information.
The map sensor seems to be completely wrong. Not sure if it's a bad sensor or a miscommunication between the Chinese module and the German automobile?
Good news is I was able to verify throttle input and vss against speedometer.
My tdi beetle seems to idle around 900 rpm. Seems a little high but honestly never crossed my mind until I saw it on this little screen. The cluster includes a tachometer and I just never pondered idle speed. Doh!
KONNWEI KW206 Car OBD2 HUD Digital Meter Gauge All in One Automotive Trip Computer Smart OBD Speedometer Water Temperature Fuel Pressure Tester for All 2003 and Newer Cars
https://a.co/d/c4rqRnl
This is the second unit I purchased, the other did not communicate with my car.