Fluctuation with AC Fan Speed in 456M | FerrariChat
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Fluctuation with AC Fan Speed in 456M

Discussion in '456/550/575' started by pchop, Jul 29, 2025 at 10:49 AM.

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  1. pchop

    pchop F1 Rookie
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    #1 pchop, Jul 29, 2025 at 10:49 AM
    Fan speed is set at level 4 (max), and while driving, it suddenly dropped to level 3. Speed will occasionally fluctuate while the car is moving. Anyone seen this before? Would it be the fan control module or the motor?
     
    vraa likes this.
  2. forgottenkeys

    forgottenkeys Rookie

    Mar 1, 2016
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    #2 forgottenkeys, Jul 29, 2025 at 11:05 AM
    It happens on mine too (456M). AC worked fine for years and for no obvious reason it changed and the fan speed now fluctuates - sometimes full power sometimes lower. I haven’t had this checked out yet as it’s not on my top 5 things to fix this year but I hope you find what the underlying failure is.
     
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  3. pchop

    pchop F1 Rookie
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    #3 pchop, Jul 30, 2025 at 9:37 AM
    Anyone? 550/575 has similar (if not the same) fan controls. I recall there's was a thread of this issue.
     

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