ADD Wiring diagram, Fault Code descriptions. Dimensions etc for DIY press/pull tools.

PDK Fault Code Troubleshooting Flowchart

While it often ends with "Replace Gearbox" the official Porsche troubleshooting guide can still be helpful in determining what area of the transmission the issue lies. Here's the version for 987/997 but 981/991 should be very similar.

PDK Diagnosis Chart.pdf

PDK Diagnostic Fault Codes 987/997 (Cayman / Boxster and 911 2009-2012)

One of the most useful tools in determining an issue with the PDK is Porsche's Diagnostic code document, especially when paired with a PIWIS readout of codes. This doesn't only provide generic issue descriptions but detailed information for each sub-type of the code. Here's the one for 987/997.

3701 PDK Diagnostic Information.pdf

PDK Diagnostic Fault Codes 981/991 (Cayman / Boxster and 911 2013 - 2018)

And here's the one for 981/991. It is liekly applicabel to the 718 as well.

3730 PDK.pdf

PDK Controller / Sensor Wiring Diagram

Next step in determining the root cause is often to ring out wires, check voltages and impedance. For that, the wiring diagram is critical.

PDK Wiring Diagram.pdf

Temperature Sensor Replacement TSB

While the high temperature messages are often a result of other underlying issues, the sensor itself occasionally fails. If that's the case, this can be fairly easily replaced and Porsche even provides a TSB for it.

SB-10052517-4176 PDK Temperature Sensor.pdf

Diagnostic Fault Codes - PDK Selector Lever

While quite reliable, the selector level occasionally fails. Here are the associated fault codes.

3705 Selector Lever DIagnostic Codes.pdf

Calibration Routines

The PIWIS PDK calibration routines are commonly misunderstood. One of the best explanations of what they are and how they work is from Jeff Richardson.

PDK Calibration Routines

As for aftermarket information, it's hard to beat Jeff Richardson's YouTube series about the PDK. Here's one that discusses the two types of calibration that are available through PIWIS.

Vent Line TSB

Porsche issued a TSB for the replacement of the vent line (9x1 and later).

Porsche TSB Vent Line.pdf

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