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Thread: AUC Sensor Location????

  1. #1
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    AUC Sensor Location????

    Need some help. Driving home on a long drive in my 2011 535iA the A/C just stopped working. The fan and climate control seemed to be operational, but no more cold air. Ran the codes and they pointed to AUC Sensor failure and the compressor does not seem to be turning on. Ordered another sensor, but have not been able to locate the sensor and after a lot of searching, nothing out there on the F10 chassis. Anyone know where the sensor is located? Thanks!!!

  2. #2
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    '14 550/M, '03 540/M
    Quote Originally Posted by RRT Adam View Post
    Need some help. Driving home on a long drive in my 2011 535iA the A/C just stopped working. The fan and climate control seemed to be operational, but no more cold air. Ran the codes and they pointed to AUC Sensor failure and the compressor does not seem to be turning on. Ordered another sensor, but have not been able to locate the sensor and after a lot of searching, nothing out there on the F10 chassis. Anyone know where the sensor is located? Thanks!!!

    Looks like it’s underneath the cabin air filter, here. https://www.newtis.info/tisv2/a/en/f...trols/1LTs6nwS
    Last edited by f10_M550i; 05-22-2019 at 09:14 AM.

  3. #3
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    Quote Originally Posted by yodamel View Post
    Looks like it’s underneath the cabin air filter, here. https://www.newtis.info/tisv2/a/en/f...trols/1LTs6nwS
    Great, thank you! I was staring right at it last night and totally missed it! Will take another look tonight.

  4. #4
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    AUC sensor does not affect the operation of the AC compressor. If the compressor isn't running, a proper evac and recharge needs to be done. It's probably low on refrigerant. I've replaced countless AC condensers on F10, and F01/02 vehicles.
    ASE and BMW Master Certified Technician

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