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2022.20.9 Model S Active noise cancelling Issue

I got 2022.20.9 last night and this morning I noticed weird noise when the car is driving above 10 MPH, I initially thought road noise due to tire pressures, then I noticed the sound is actually coming from the speakers, I did cancel the ANR and the sound stopped.

I did reboot the car, and the ANR stuck in calibration phase for a 20 minutes ( it stuck in a loop of 20% -> 40% -> 60% then back to 20% for a while), the sound came back after the 20 min of calibration. .

Not sure if other are seeing this issue with this software update before I open service request with Tesla.

 
  • Informative
Reactions: Mark II

WilliamG

Hinge Fanatic
Apr 20, 2019
6,755
10,663
Seattle, WA
Yep. ARNR is broken on these cars. I'd recommend leaving it off, and never having it on. It ranges from imperceptible improvement to slight or heavy noise introduction through the speakers. I'm not exaggerating when I say it's an absolute joke, and should be removed from the feature list of the new S as it doesn't work.

Let your car go fully to sleep over a number of hours, and it should resolve the major noise introduction you're experiencing. Let us know how you get on.
 

jebinc

Endlessly Vibrating MS PLAID
Jun 19, 2019
10,396
15,815
Seattle area
Yep. ARNR is broken on these cars. I'd recommend leaving it off, and never having it on. It ranges from imperceptible improvement to slight or heavy noise introduction through the speakers. I'm not exaggerating when I say it's an absolute joke, and should be removed from the feature list of the new S as it doesn't work.

Let your car go fully to sleep over a number of hours, and it should resolve the major noise introduction you're experiencing. Let us know how you get on.
And a joke of biblical proportions, at that - like FSD, robotaxis, vibration feature, etc.
 

WilliamG

Hinge Fanatic
Apr 20, 2019
6,755
10,663
Seattle, WA
I did. But I read the brake pedal does nothing. Never in 4 years have I seen it make a difference. But I still push it.

Yeah you don't need the brake. Let the car sleep a while (no Sentry etc). I had an issue last week where my front passenger lumbar just stopped working after some adjustments were made. Rebooting the car did nothing. Had to wait a few hours/let it sleep, and then all electronics for the lumbar started working again.
 
This may or may not help your specific issue, but there are a couple of ways to get a deeper reset:

1. Tire Config or language - Change either of these in the UI, and it causes a complete and deep reset of the system. It's a deeper reset than the scroll wheels;
2. 12v reset - Disconnect your 12v battery for a few minutes, then reconnect it.

I'd recommend trying #1 first, as it doesn't require any disassembly.
 
I got 2022.20.9 last night and this morning I noticed weird noise when the car is driving above 10 MPH, I initially thought road noise due to tire pressures, then I noticed the sound is actually coming from the speakers, I did cancel the ANR and the sound stopped.

I did reboot the car, and the ANR stuck in calibration phase for a 20 minutes ( it stuck in a loop of 20% -> 40% -> 60% then back to 20% for a while), the sound came back after the 20 min of calibration. .

Not sure if other are seeing this issue with this software update before I open service request with Tesla.

Thanks for posting this!

I am still on 2022.12.3.20 and it seems fine. At least now when I get the upgrade I will know what the problem is and how to fix it!
 

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