vcds not working on old cars

   #1  

salo

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hi to all. im new to this forum but not new for car repair :-) i have a problem whit my vcds. i buy it about 5 y ago from ross tech. i have no comunication whit engine all time when i have in my garage audi a6 c4 2.5tdi 95-96y (2x2 adaptor.) if i change my scaner (launch or 409 vag com) i have no problem to comunicate whit engine.... please tell me which chip is responsible for old comunication protocol in pcb?
 
   #2  

Uwe

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Only engine? Communications OK with other modules?

Please make an Auto-Scan from such a car, but just before you start, go to [Options] and set Debug Level to 8. After the scan finished, look for the file Debug-CAL.dlm and send it to Support@....

-Uwe-
 
   #3  

salo

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thanx mister Uwe for your reply. i make a reading in short time and reply again to this thread.
 
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