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VAG diagnostics query


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Usually freeze data is cleared when any dtc's (Diagnostic trouble codes) are cleared. Snap shots can be taken using diagnostic equipment but this is only stored on the equipment and needs to be set up to do so, but also will only register a fault if there is one when the test is being carried out.


Also some engine ecu's can be reset which would also clear any freeze data.


Freeze data only usually gives certain information like engine revs, coolant temperature and other parameters like that when a fault occurs.


So I would say no it is probably not possible to retrieve this information if the fault code has been cleared.

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