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3D Map view by moDiag OBD2 software
26.11.2012 - Update 2.8.607 online
moDiag professional now also shows the volumetric 
efficiency of the engine! 
Now includes russian language!

Unique: moDiag professional allows to record 3D-Maps and present them in 3D-surface diagrams!

See the changelog for more information on changes!

03.07.2011 - moDiag now is available in turkish language




Welcome to the home of moDiag OBD2 scan software!


moDiag is the first OBD2 scan software with special features for the optimized adjustment of LPG- or CNG conversion kits. moDiag is suitable for all cars compliant to OBD2 / EOBD (in the EU: cars with Otto-engines from year 2000/2001 on; Diesel from 2003/2004 on).

  • saves you the hassle of manipulating with external OBD2 scanners and laptop!

  • Adjust LPG kits right to the point!

  • works flawlessly with all known LPG-adjustment softwares!

  • recommended by education centers and LPG kit manufacturers!

moDiag comes in three different versions. All versions are available in German, English, Hungarian, Romanian, Turkish and Russian language!

moDiag professional - the choice of the professionals
Special features allow the adjustment of LPG kits in a breeze. It allows the full documentation of a car´s conversion. Create 3D-Maps from three live data sensors to easily identify problematic areas.

moDiag expert - the economical solution
Supports all relevant OBD2-Modes. Based on moDiag professional it has less visualization modes but still is a powerfull OBD scan tool.

moDiag express - the basic version for free!
moDiag express lets you read/erase diagnostic trouble codes and shows live data from the ECU.

To read more, just click here
moDiag Overview

Click here for a comparison of the three moDiag versions

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Dipl.-Ing. Matthias Tieben | Richard-Wagner-Str. 1 | 32105 Bad Salzuflen