CAN networking: Introduction: Diagnosis/troubleshooting

WARNING: This page is about a different car, the 2008 Porsche Cayenne. However, it is still accessible from the selected car via links, so may be relevant.

NOTE:

The fault memory Info key [F8] on Porsche System Tester II No. 9588 can be used to access the 'extended fault memory'. The following information can be displayed:

Possible fault types:

no signal/communication
implausible signal/please read out fault memory

This information should be saved using the Save key [F4] and printed out.