How accurately does VAD Mobile replicate the behavior of the official VW Group VAG 1551/2 tool?

It replicates very accurately. We went to great lengths to reproduce the values shown on a VAG 1551/2. Other third party VW/Audi diagnostic tools often round numbers differently than the VAG 1551/2 or do not display the same number of significant digits.

VAD Mobile rounds values the same way and displays the same number of significant digits as does the VAG 1551/2. Because of this, we believe VAD Mobile is the most accurate third party diagnostic tool for VW Group cars. More.

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