Quote:
Originally Posted by sandrojet
Hello,
I'm a new Bimmer owner, I bought a used X5 M-sport package with 53,000 mi. One previous owner, all the Maintenance was done on schedule at BMW. I bought an ODB II to check for codes since I've already experience the Engine Power Reduce Warning due to misfires. It only happened once so far. The seconde code I have is the: Automatic Air Recirculation Control (AUC) sensor line disconnection or short circuit to B+. Has anyone ever encountered this Failure?
Thank you,
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Most likely the auc sensor failed. It’s attached to the air cabin filter housing ( passenger side under rain tray)