GS - 4th Gen (2013-2020) Discussion about the 2013 and up GS models

High pitch noise from under rear of car when off

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Old 01-22-20, 08:21 AM
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rsnaider
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Default High pitch noise from under rear of car when off

I have a 2018 AWD F-Sport that is parked in a garage at night.

I have had the car for almost 2 years now (purchased new) and just noticed this noise. It is not the 5 hour EVAP on page 8 of the owner’s manual but a constant high pitch noise that appears to be coming from under the rear of the car. Most will probably never notice it if you don’t park inside where you have no other ambient noises.

The other day I even went as far as to listen for it the following morning and it was still there. I know there are lots of electrical components back there but what would be humming all the time?



The car has no warning lights and will just assume it is normal, but wonder if anyone else has OCD and noticed something similar.



Thanks,

Ron
Old 01-22-20, 10:49 AM
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peasodos
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My 450h makes some electrical noises after the car is off too. Some of the electronics run and turn off on it's own after the car is off. It's normal.
Old 01-22-20, 05:56 PM
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FiatLover
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please delete

Last edited by FiatLover; 01-22-20 at 06:00 PM. Reason: delete
Old 01-24-20, 06:37 PM
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IcyBishop
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It's most likely the lights. If you stand in front of the car does the noise stop when the lights finally turn off?
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