2021/11/23

How to Fix Yanhua ACDP BMW CAS3 Decryption Failed?

 Problem: I have a problem with Yanhua Mini ACDP when reading BMW CAS3/3+ by ICP and all pin detection passes, Why the data cannot be read?

Error: Memory decryption failed.

Error: Analyze the data error.

Yanhua ACDP BMW CAS3 Decryption Failed 1

Yanhua ACDP BMW CAS3 Decryption Failed 2

Yanhua ACDP BMW CAS3 Decryption Failed 3

Solution:

If the above problem occurs, the decryption progress bar will reach 100%. But in normal cases, the chip decryption progress bar will not reach 100%. At the moment, it is necessary to check whether the C-GND probe on the interface board is removed or cuted. Reinstall the interface board to read the data once.

The C-GND pin interface board locations are shown as below:

Yanhua ACDP BMW CAS3 Decryption Failed 4
Yanhua ACDP BMW CAS3 Decryption Failed 5

 

Demo guide:

Yanhua Mini ACDP Read ISN and Program Mini Cooper 2013 CAS3+ All Keys Lost

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