A method for updating vehicle diagnostics software via a telematics unit is based on the occurrence of a service event as detected by the telematics unit. Upon the connection of a vehicle diagnostics device to a vehicle, the telematics unit receives a scan tool configuration data and a vehicle code....http://www.google.de/patents/US7272475?utm_source=gb-gplus-sharePatent US7272475 - Method for updating vehicle diagnostics software