The software is stored in the cable (like a dongle) so it means you can plug it into any laptop, install & read data/codes from any compatible car. If you buy the full version, it's all plug & play. Reading the data from control units can help you further diagnose the fault that you have for a crude example: if you have a coolant temperature fault, using VAGCOM to look at what exact temperature the ECU is seeing from the coolant temp sensor. It can also be used to code keys, preferences & settings in & out of the control units as well as log data. The main difference between a code reader & a VAGCOM is the diagnostic ability of the VAGCOM over a code reader.Ī code reader, is as it says a code reader & will read an OBD fault code usually without any further information & most the time depending on how much you spend on it will only read from a certain control unit like the engine control unit & nothing else.Ī VAGCOM as the ability to read fault codes from every control unit fitted to a VAG car & also DATA from these control units.
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