E-box fan code 2F71 - Bimmerfest - BMW Forums



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  #1  
Old 01-19-2020, 06:39 PM
mcjohn mcjohn is offline
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Mein Auto:
E-box fan code 2F71

I'm down to one code now, 2F71 which seems related to the e-box fan. I pulled the fan and connected it directly to the battery and it ran fine.

Is it possible there's a relay not working or maybe the power supplied through the wiring harness is a lower voltage? Or maybe it's dragging and causing too much resistance?

Thanks in advance for any help. I started this in a new thread from help with ISTA codes thread so it would be easier to find for others having this problem.
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  #2  
Old 01-20-2020, 05:10 PM
x3brian x3brian is offline
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Mein Auto: X3
I got this code about 5 years ago when I first got inpa working.

Turned out being a battery on its way out and weak ground strap. Never changed the e box fan code went away after new battery.


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