Audi TT The Audi TT line, in both the coupe and roadster combines Audi's All Wheel Drive performance with the feel of a European sports car.

Code 2181

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Old May 7, 2009 | 05:24 PM
  #1  
kwaskow's Avatar
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Joined: Apr 2008
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Default Code 2181

My 04 225 throws 2181 about twice a week.......so I reset it and go about my business.
What is the likely culprit?
 
Old May 15, 2009 | 03:16 PM
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kwaskow's Avatar
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bump - any thoughts ?
 
Old May 15, 2009 | 11:48 PM
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ouTTie914's Avatar
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Joined: Jul 2006
Posts: 3,716
From: New York
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Coolant temp sensor... You probably have the black top sensor.
Change it to a green one, and don't forget to replace the O-ring.
Also make sure the car has cooled off, or you'll likely burn yourself on some hot G12!
 
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