Abstract: A method for the computer-supported monitoring of the operation of a vehicle service includes providing in a test environment, a telematics control device of the vehicle type for which the vehicle service is intended to be monitored. The methods also includes simulating the vehicle using a first simulation unit generating test data and making the test data available to the telematics control device as status data on a vehicle bus. The method further includes simulating the data sink using a second simulation unit, wherein the simulated data sink is assigned to the simulated vehicle via a unique test vehicle identifier, at least in part by retrieving the status data stored for the simulated vehicle from the central computing system. The test data generated by the first simulation unit and the status data retrieved by the second simulation unit are evaluated at least in part using a comparison.