Thread: Code 27B8
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      01-14-2024, 07:39 AM   #5
randrews15
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Drives: 2012 E93 M3 Le Mans Blue
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Quote:
Originally Posted by Scrippy View Post
Fuse checked out I see. I’d check the relay. I’d also just apply 12VDC to the fan itself and see what happens.
I did use a power probe to try to activate the fan and no such luck. I am assuming the relay is still good since when I use ISTA to activate the fan I see the draw on the signal wire goes up to 3.5 volts and then drops back down when it’s done.
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