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2005 cayenne tire monitor system missing

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new Cayenne owner '05 Turbo - going through the manual, I see an extensive tire pressure system, but cannot get it to come up on the multi-purpose display. on the "main menu", I have "speed limit", "vehicle info", and "settings" but no "tyre press." as in the manual. What, oh, what am I missing?

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OK, so I took the Nestea Plunge and became a contributing member. I did find my option sticker and attached. is there a master list to decode? Does this say if the tire pressure monitoring system is installed? I am also trying to upgrade my PCM unit and have the following codes:

SW Version: 2.1


system software: 04114AD1/1104

the Cd (DVD?) in the drive is: S0006-0070-408 04-2004

thanks so much for the site - been lots of help!

post-61713-055655200 1284751968_thumb.jp

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Thanks, Odix.

I did research and found most all of them, except for the wiley X7F, QGO and EOA. alSo missing HD9.

My other question is how difficult (see expensive) is it to put on the 7K4, tire pressure monitoring system?

Also still have a question about the PCM - I have version 2.1 and 04202MD1/1805. System Software 04114AD1/1104. The cd in the unit is S0006-0070-408 04-2004. How can I update this?

Thanks for all the help - this site is saving me many headaches!

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