Radio volume knob working opposite of normal.....

[Gossomer]

OK, This 2016 is my seventh Mustang and I have never had this one. I have premium audio and when I went to turn my volume down yesterday, turning it counter clockwise increased the volume, turning it clockwise decreased the volume. This was out of nowhere and everything else works properly. I figured it was a gremlin so this morning I tried again and the the volume know is actually doing the opposite of how it's supposed to be. I really don't want to deal with the dealership. Any ideas?

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[Elp_jc]

I'd reset the module responsible for that, and see if it helps. It should be either the IPC or BCM. Did you make any FORScan changes recently? Could be a botched change. You could always change it back to factory settings, to see if the issue persists. Good luck.

 

[ice445]

Do a sync master reset and see if that helps

 

[Falk03]

If all of the above did not solve the issue, I would compare your current configuration against the stock one ass you find it here:
https://www.motorcraftservice.com/AsBuilt

This to look for are FCIM, APIM and ACM.

 

[Windchaserb]

Did you ever resolve this? It just happened on my 2019 Mustang

 

[Gnatsum21]

Did you ever resolve this? It just happened on my 2019 Mustang

I would disconnect the battery for 10 - 20 mins first before I go crazy. How about the volume controls on the steering wheel? Are they reversed, too?

EDIT: Found this on a different Mustang forum:

volume **** problem
Had the same issue on my 2002 GT. Without dissasembling anything just used a fine nozzel with my air compressor set about 90 psi and simply blew air all around the edge of the **** while rotating back and forth. Did not fix it at first, kept blowing air and rotating for a few minutes and then it was fixed. Must have been dust build up inside the potentiometer.

Hope this saves people some time and money.

Kevin

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