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Author Topic: Fan working all time after ecu swap  (Read 10739 times)
adcs
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« Reply #15 on: October 31, 2016, 07:50:36 AM »

As already stated your old ECU used to control the fans. The ECU that you installed relies on an external module. You need an external fan control module, like the one from an 03+ 2.7t BEL A6 or Allroad, or a universal one of your choosing wired in. Or the one that came in the car you got that ecu from. If you take a look at forum posts about people swapping 2.7ts into the B6 chassis you will find several solutions.
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yxx499
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« Reply #16 on: October 31, 2016, 09:06:50 AM »

Thank you all.
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