Good morning,
Would like to get me, among other things for my Cayenne an OBD diagnostic device.
Would like to be able to read not only error memory, but also want to go into depth. I would also like to be able to read the battery condition and Evtl times a coding want to perform.
Do you have experience here?
Thank you! 
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Hi,
if you want to read and address "all" ECUs in the Porsche in depth, then you will probably have to choose the original PIWIS II or higher. (Unfortunately I don't have a PIWIS either, but hopefully it will be purchased one day).
If you want to save money first and are only looking for a device for the standard tasks, then among others PoCom, Durametric or Icar. Of course there are other devices but I don't know them.
I currently have PoCom and use it voprweigend for my gasoline engine. I could buy here in the forum for a reasonable price. You can do some things with it but not everything. Simple coding on some ECUs are possible but of course not all. E.g. switching off the start stop is not possible with PoCom. Battery condition is displayed by PoCom. The internal resistance is not displayed (but it can also be that this value is not detected by the ECU at all).
Have a look here in the forum. There are some experience reports and also comparisons of the devices.
u.a. here there are also addressed the diesel vehicle.
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All right, thanks!
Difficult matter. With the one this goes, with the other again this does not....
Let's see...
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Hello,
I have purchased the PIWIS as Porsche is now becoming almost unaffordable.
I will soon have to match a new radar system.
I will report if it worked.
Thanks
Greeting Carrera 4
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Where did you buy it and for how much?
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That was used.
There are always on Ebay.
Greeting
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But if you need something I can make it for you.
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