3 No communication with any of the systems not connected to the bus.
The fault then probably is caused by the control module not being supplied with power or that the diagnostic cable is not connected to the control module. If Tech 2 cannot make contact with the system, the following menu will be displayed:
Airbag
NO COMMUNICATION WITH THE SYSTEM Check the selected car model Press < ENTER to try again Press < EXIT to end. Should the trouble persist: See fault diagnosis fault symptom 'No communication with the system' in 'Bus and Diagnostics communication'.