Porsche Repair Questions? Ask a Mechanic for Answers ASAP
This fault is for the shift solenoid on the control valve (valve body) inside the transmission.
You would need to drain the transmission, remove the trans oil pan, then disconnect the connector at the shift solenoid to test the resistance at terminal 1 and ground. Your looking for it to measure between 20-32 ohms, if not replace the solenoid which comes as an assembly for solenoids 1,2,3.
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