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Yanhua ACDP decrypt BMW CAS33+ data failed Solution

When using Yanhua ACDP to read CAS3/3+ by ICP, all pin detection passes, but the data cannot be read, why?

Error images shown as below:

Answer: 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, Need to detect whether the ETX and C-GND pins of the CAS3/3+ interface board are in good connection. The data can only be decrypted when the pin detection passes and ETX and C-GND pins in good connection.
The ETX and C-GND pin interface board locations are shown as below:

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