Possible cause of fault

Incorrect vehicle type selected in Porsche System Tester II No. 9588
Porsche System Tester II No. 9588 is not connected correctly or is faulty
Power supply to the Vehicle electrical system control module' is not OK
'K lead' to 'gateway' in instrument cluster does not function
'Gateway' in instrument cluster does not function
'CAN comfort (B)' does not function
'Vehicle electrical system control module' does not function