A4 (B9 Platform) Discussion Discussion forum for the B9 Audi A4 2017-

VCDS Security access code

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Old Aug 15, 2021 | 05:02 AM
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Alexandru.k_24's Avatar
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Default VCDS Security access code

Hello guys,
Does anyone know what the code is for "74-Chassis Control" module for Audi A4 B9, 2017, 3.0TDI? I have replaced the springs to lower the car a bit, and now i have to input the new height values. But seems like VCDS needs the security code first. Thank you.



Last edited by Alexandru.k_24; Aug 15, 2021 at 05:18 AM.
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Old Aug 15, 2021 | 06:14 AM
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ALEXVR6's Avatar
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Try Ross-Tech Support forums....Uwe can probably help out......
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Old Oct 24, 2021 | 11:09 PM
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Alexandru.k_24's Avatar
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Ok, no one knows how recalibrate the suspension after a spring replacement? I have searched all over the forums and didn't find nothing about this. I have ODIS and VCDS. Any guide for 1BL suspension would be fine(VCDS or ODIS).

Last edited by Alexandru.k_24; Oct 24, 2021 at 11:21 PM.
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