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F10 2012 A/C vent actuation issue?

Stugal
in BMW 5 Series Forum

Featured Replies

Hi - long time owner, first time poster...

My A/C is only working for about 30 seconds and then although the blower continues (I can hear it loud & clear) the vents all shut and no cold air goes through.

If I switch the A/C button off & then on again, the vents open - it immediately blows lovely cold air and then again after 30secs the vents close. Any ideas? Seems like a vent actuation issue rather than a compressor issue.

No DTC error codes.

  • Quote

    Morning Stuart

    Welcome to the Forum

    When you say no DTC which Diagnostic program was used ? As things do work even if it is a bit Eric Morecombe "all the right notes just not in the right order"

    A bit of a pain but you could try cleaning the connector pins on the AC control unit with a good electrical contact cleaner. Or possibly if you have access to a BMW capable Diagnostic try rebooting the unit in case it's a software glitch

    Dave

  • Quote
    • Author

    Did I really say "no DTC errors" - that's what happens when I try to do two things at once...

    No ODB errors... I've unplugged the battery for 20mins. Let's see if that helps

  • Quote
    • Like 1

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