What’s this sound every time I accelerate? Service has no idea so far and says it’s not normal.

[SolarRoofs]

two recordings I made . Been driving me nuts and ruining my performance model 3 experience!

it‘s super loud and it’s NOT the speed limit warning

 

[TBrownTX]

Mine has the same “whine” heard in your video, but not the extra “tone”. No idea on that.

Tim

 

[SolarRoofs]

Mine has the same “whine” heard in your video, but not the extra “tone”. No idea on that.

Tim

Yes, the whine is normal and I like it. That’s the way it should sound. The extra tone is the mystery.

 

[bbell]

I have that exact tone when I go full throttle, particularly the first high accel during a drive, I don't think it happens every time. This is a 2018 M3 LR RWD.

It's hard to tell the exact volume from the recording but it isn't super loud but I can definitely hear it, and it sounds like it is coming from the back of the car.

 

[SolarRoofs]

I have that exact tone when I go full throttle, particularly the first high accel during a drive, I don't think it happens every time. This is a 2018 M3 LR RWD.

It's hard to tell the exact volume from the recording but it isn't super loud but I can definitely hear it, and it sounds like it is coming from the back of the car.

You do? I’m somewhat relieved to hear that, and yeah mine does this on full throttle. It sticks around tho for 15 throttles and then sort of disappears.

 

[bbell]

You do? I’m somewhat relieved to hear that, and yeah mine does this on full throttle. It sticks around tho for 15 throttles and then sort of disappears.

Yes I have always had it. If service figures it out let me know, I will be curious, especially if they think it is a problem.

 

[MentalNomad]

That's more like 294 hz.

 

[SolarRoofs]

Yes I have always had it. If service figures it out let me know, I will be curious, especially if they think it is a problem.

How much % do you charge your car?

 

[father_of_6]

Strange. It almost sounds like an intentional tone that comes from the speakers. Have you tried accelerating during an MCU reboot? Just to rule out the possibility that it's somehow being done in software (highly unlikely, but maybe still worth doing).

 

[SolarRoofs]

Strange. It almost sounds like an intentional tone that comes from the speakers. Have you tried accelerating during an MCU reboot? Just to rule out the possibility that it's somehow being done in software (highly unlikely, but maybe still worth doing).

Thanks for the suggestion- I’ll try today

 

[MikeyC]

That's more like 294 hz.

I get 580 Hz.

Mike

 

[techzelle]

Sounds like there is some part that is vibrating at resonance during acceleration.
Would try to see if you can find a way to make the tone last longer. Like reducing speed when tone begins, trying different acceleration speeds, etc.

 

[TBrownTX]

I get 580 Hz.

Mike

You sure that's not 1.21 Gw?

Tim

 

[father_of_6]

Sounds like there is some part that is vibrating at resonance during acceleration.
Would try to see if you can find a way to make the tone last longer. Like reducing speed when tone begins, trying different acceleration speeds, etc.

Yeah, and take everything out of the car.

 

[KenC]

Strange. It almost sounds like an intentional tone that comes from the speakers. Have you tried accelerating during an MCU reboot? Just to rule out the possibility that it's somehow being done in software (highly unlikely, but maybe still worth doing).

If it's coming thru the speakers then it could be bad grounding of the motor/inverter.

 

[SolarRoofs]

If it's coming thru the speakers then it could be bad grounding of the motor/inverter.

That’s what I think it is too

 

[Pyre]

Thats the mysterious "elon note." It is meant to be at just the right frequency to make you want to sell the car and then buy another tesla the day after you sell yours.

Sneaky Elon....

 

[AmokTime]

Turbo charger spinning up...

 

[MentalNomad]

I get 580 Hz.

You're right. I used a crappy app.

 

[bbell]

How much % do you charge your car?

90%