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hyemm
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I have a 2005 Cayenne S with PCM 2.1. I purchased it in June of 2005. Someitme around June, the PCM 2.1 hardware and software was changed from Model Level A to Model Level B. Does anyone know the difference between the two models? I am wondering if I should try to get my dealer to swap it out, or if it is worth it, if I should buy the Model level B. One of the reasons I am considering this is because I noticed that the GPS does not identify many of the back roads where I travel in upstate NY. All of the previous cars that I owned had GPS systems that accurately identified these same roads. Thanks.