May 24, 2024
Problem:
Working on a 2007 3 series E90.
Trying to read ISN on Siemens N54 MSD81 DME withYanhua Mini ACDPand module 3. When I try to identify or read I keep getting this message. How do I get my ACDP authorized or activated to read the ISN?
Error "This device does not obtain authorization of A51E module”
I’m not trying to clone. I’m just trying to read ISN. I’ve screen shotted the steps I’m taking to get to read ISN.
Solution:
A51E is the authorization fromModule 27for BMW MSV80 MSD8X MSV90 DME Read/Write ISN and Cloning.
If need to clone these DMEs, you need to activate module 27.
In this case, he just want to read ISN code, don’t do bench mode.Do OBD/CAN mode to read/write ISN.
Before you choose which DME it is, it should be a help button on the right, click on it and it will show you all steps as well as the slave pin.
Posted by: jean at
08:36 AM
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