Quote:
Originally Posted by Walshie
OK so what sort of connection. I have removed and reconnected. Heater box connection with all work, heater control and radio connections, which all work. Instrument connection which all work air bag connections and tiptronic connection within the steering wheel. The tiptronic worked when tested.
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Depending upon the year of the car, the CAN Bus connects to a variety of areas of the dash. The later the car, the more bus connections, including the Tiptronic control system, which includes the buttons on the steering wheel and the Tip control module itself.
As you have had things apart, you need to go back over every connection touched. Without a Porsche specific diagnostic system, you are left with a process of elimination.