C63 AMG (W204) 2008 - 2015
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Transmission Clunking

Old Sep 22, 2011 | 09:58 AM
  #26  
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2017 Mini Cooper S Clubman ALL4 - British Racing Green
While the code itself can be encrypted, that just prevents the ability to modify on the fly, or access the code itself. There is nothing preventing entirely new code from being flashed over the existing code or erasing the existing code..
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Old Sep 22, 2011 | 01:10 PM
  #27  
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From: DFW
C63 AMG Coupe P31
Originally Posted by drawde
OP any updates?
Guys, ive been getting killed with work lately. I have not gotten much done on finding and fixing this problem yet. I did get the ecu flashed back to stock but I havent gotten a diagnostic yet. Ill probably do that next week. Ill let you know how it goes when i can find some time.

cheers
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Old Oct 17, 2011 | 08:00 PM
  #28  
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C63 AMG Coupe P31
even though i sold the car I did get the problem fixed. the problem was.....drum roll please........it was low on transmission fluid. yes, it took them that long to figure that out. I was getting the run around buy the dealership by my place so i decided to go across town to the other dealership and they figured it out in 2 hours

I cant wait to go back to the original dealer and tell them how bad they are at diagnosing c63 amg's. needless to say, for those of you that know about all the problems ive had with that dealership.....they are fired!!
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Old Oct 26, 2011 | 06:13 PM
  #29  
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This thread got lost for a while but I will verify that my issues were fixed as well during my 40k service (where they did a tranny service including fluid flush). Not sure if they did anything with the adaptive ecu/tcu but my shifts are always smooth now and the whirring sound I have not heard since.
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Old Oct 26, 2011 | 06:28 PM
  #30  
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From: DFW
C63 AMG Coupe P31
Originally Posted by drawde
This thread got lost for a while but I will verify that my issues were fixed as well during my 40k service (where they did a tranny service including fluid flush). Not sure if they did anything with the adaptive ecu/tcu but my shifts are always smooth now and the whirring sound I have not heard since.
great to hear. i know how frustrating it is to have such an instrumental part of your car acting up and not know how to fix it.

glad it all worked out
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