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Solved ✔ How to perform a microphone calibration(error B7F500 in RAM)?
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22-01-2023, 01:22 AM,
(This post was last modified: 22-01-2023, 11:22 AM by Clusters.)
Post: #1
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How to perform a microphone calibration(error B7F500 in RAM)?
Hey mates, I met a small problem.
When I diag using ISTA, there are no errors(tree.png), but when I diag using BIMMERLINK or E-SYS Plus, I always got a error in RAM, named 'B7F500 Driver's microphone not calibrated.'(pic2, pic3 and pic4) After clean th DTC, this error always come out the same. So I'm confused, should I trust ISTA or E-SYS Plus? If the error truely exists, how to perform the microphone calibration? I tried to find the entry in ISTA but got nothing. Anyone can help would be appreciated. BMW 5 Series and Audi Q4 e-tron user.
If it helps, please give rep  , thanks! |
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![[+]](https://cartechnology.co.uk/images/CarTechnologyTheCure/collapse_collapsed.png)
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22-01-2023, 11:08 AM,
Post: #2
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RE: How to perform a microphone calibration(error B7F500 in RAM)?
Problem SOLVED, I found the entry in RAM function in ISTA and tried to call the microphone calibration. Wish the error code never show again.
BMW 5 Series and Audi Q4 e-tron user.
If it helps, please give rep , thanks! |
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