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Showing results for tags 'protect'.
I have a 2004 Porsche Cayenne S with a Becker radio and Bose system. I understand the radio is a PCM 2. The radio is a CBR23 E1. I had a Bluetooth adapter installed and now my radio immediately goes into PROTECT mode. I tried downloaded the unlock code from an internet service, but there is no place or time for me to enter it in to radio. Any help would be greatly appreciated.