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Transmission

Vehicle Information: Model : Cayenne S; Year: 2004; Mileage: 60000;

My wifes 04 Cayenne S sometime downshift VERY VERY hard. This has now happened about 5 times. Mostly when cruising at 50 to 70 mph and performing a passing maneuver. The car is in Th gear and feels like what is a downshift to Th gear, everything is fine up to this point then it feels like it tries to downshift again and hits hard. It feels like it's thrown in park for a split second then up shifts and all is fine. I'm sure this can't be good for the car. The car has K miles on it and has seen only normal road use. Is there any recalls for the pcm on the tranny? I was under the impression this transmission is bullet proof but under these circumstances I doubt it will hold up. Thanks in advance.Regards,Scott Atchley

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