Weird buzzing noise from the dashboard

[PDACPA]

Seen some posts of rocks up under the front of the car from the ports that get trapped in there and rattle. One guy posted a picture of a bunch of debris. Just an idea.

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[Dslev]

Interested to know what the rattle is - I have the same as you describe.

Just got my car back from the dealer. No more rattle. it was a servo motor, which threw a few codes which were stored in my AC control unit. Never displayed on the dash. They recoded to AC control unit and at least for the last few hours since I picked it up, no noise. here are the codes listed: B108D09, B116A09 and B116909 stored in A/C control unit. they auto coded vehicle and calibrated all servo motors and cleared faults.

 

[W1NGE]

Just got my car back from the dealer. No more rattle. it was a servo motor, which threw a few codes which were stored in my AC control unit. Never displayed on the dash. They recoded to AC control unit and at least for the last few hours since I picked it up, no noise. here are the codes listed: B108D09, B116A09 and B116909 stored in A/C control unit. they auto coded vehicle and calibrated all servo motors and cleared faults.

Perfect and thanks for sharing.

 

[schad]

I've noticed that my car has developed an occasional rhythmic buzz or chirp which fades in and out in response to steering input at higher (45mph+) speeds. I would describe it as sounding almost exactly like cicadas from a distance. In fact, that's exactly what my wife thinks it is, but to me it does sound like it's coming from inside the car -- and I don't know why the act of straightening out the steering wheel would cause cicadas to silence themselves. I would've guessed a loose fan blade hitting a cowl, but that wouldn't explain why the sound will also go away if I turn the wheel more.

Does it seem like the same issue as the one described in this thread, or something different?

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