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					Originally Posted by cgeiger  I recently put a new battery in my 911 C4 and had to dig up a code since I am not the original owner; I found this thread and thought I'd pass along what I wound up doing:  
I got the model and serial number by using the "hold down the TP button for 10 seconds and then use the right hand knob to display". 
I found  Porsche Resetting Radio Codes  which has a Java-based code generator.  It requests just the serial number in one box -- press the "Decode" button after entry.  It 
  provided multiple choices of code, "first choice, second choice , etc" and the first choice 4-digit code worked for me.  
 
Thanks to all who posted on this topic -- very helpful! |  
Stills works like a charm. Whew!!
		 
				__________________2001 Base 2.7 - Arctic Silver - 5 speed - Comfort Top -
 3-4 Stalk OBC Upgrade - Double DIN Head Unit
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