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  1. Porsche Cayenne Generation 1 Forum 2003-2010
    My 04 CTT has an ongoing battery drain issue that seems somewhat inconsistent in how frequently it occurs. The battery isn't old (replaced late 2021) and is a correct spec AGM. If charged it can last up to a few weeks or a few days before going completely flat and not starting the car. Some...
  2. Porsche Cayenne Generation 2 Forum 2011-2018
    Hello All, hoping you guys can point me in the correct direction. 16 Base 3.6 with about 100k on it On Saturday, -15 degrees Fahrenheit outside my wife starts the truck up, no dash lights at all, whole interior is dead Truck runs and drives fine Getting code U0155 - Lost Communication with...
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