This demonstration shows VAG-COM used to test for an intermittent gear change problem. Various tests and procedures are shown including

  • Checking the TCU (transmission control unit) for fault codes
  • A fault code is found stored in the TCU and the code number together with the text meaning for the code is displayed
  • The extra information displayed by VAG-COM shows the code is intermittent
  • The live data section of the software shows the values from the throttle sensor and gear selector switch
  • Another live data screen shows each gear solenoid and explains what each does in relation to gear changes and driving mode
  • The live data is shown at various road speeds and the status for each solenoid is displayed
  • The difference between mechanical drive and hydraulic drive is shown and explained

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