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      09-23-2021, 02:40 PM   #1
Henkan
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Unresponsive climate control

Recently my climate control started to behave weird. I can push the buttons and change temperature and the display changes and buttons light up. But nothing happens. For example I can push the defrost button but the fan does not start to blow. If I change the temperature to max or min the display changes but the temperature of the air doesn't change.

Any pointers? Could a fuse be suspect?

2012 BMW F12.
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2007 BMW X3 2.0i E83
2012 BMW 650i Convertible F12
2023 BMW X3 Xdrive 30e G01
Gone: 2002 BMW 330i Convertible E46
2020 BMW X3 Xdrive 30e G01
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      09-24-2021, 10:13 AM   #2
LJohnson32
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Quote:
Originally Posted by Henkan View Post
Recently my climate control started to behave weird. I can push the buttons and change temperature and the display changes and buttons light up. But nothing happens. For example I can push the defrost button but the fan does not start to blow. If I change the temperature to max or min the display changes but the temperature of the air doesn't change.

Any pointers? Could a fuse be suspect?

2012 BMW F12.
I would recommend reaching out to Steve @ CodeMyBimmer (info@codemybimmer.ca)

When I had swapped out my climate control units for ones with the ceramic knobs, the rear unit did not properly communicate with the car - exactly how you're describing where the lights all function but when you press buttons or adjust the knobs, no signal seems to be sent to the control module to actually adjust the airflow or temperature.

All I had to do was plug in a laptop to to the OBDII port via an E-Sys cable and install TeamViewer so Steve could remote in and re-code the unit. Ever since, everything has worked perfectly.
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      09-24-2021, 03:58 PM   #3
Henkan
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Quote:
Originally Posted by LJohnson32 View Post
Quote:
Originally Posted by Henkan View Post
Recently my climate control started to behave weird. I can push the buttons and change temperature and the display changes and buttons light up. But nothing happens. For example I can push the defrost button but the fan does not start to blow. If I change the temperature to max or min the display changes but the temperature of the air doesn't change.

Any pointers? Could a fuse be suspect?

2012 BMW F12.
I would recommend reaching out to Steve @ CodeMyBimmer (info@codemybimmer.ca)

When I had swapped out my climate control units for ones with the ceramic knobs, the rear unit did not properly communicate with the car - exactly how you're describing where the lights all function but when you press buttons or adjust the knobs, no signal seems to be sent to the control module to actually adjust the airflow or temperature.

All I had to do was plug in a laptop to to the OBDII port via an E-Sys cable and install TeamViewer so Steve could remote in and re-code the unit. Ever since, everything has worked perfectly.
Thanks, does seem like a good advice!
__________________
2007 BMW X3 2.0i E83
2012 BMW 650i Convertible F12
2023 BMW X3 Xdrive 30e G01
Gone: 2002 BMW 330i Convertible E46
2020 BMW X3 Xdrive 30e G01
Appreciate 0
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