Issue & Fix: A YANHUA ACDP Module 2 stopped USB polling during FEM preprocessing and, after waiting about 20 minutes, displayed the error "Operation timeout, retry". To resolve the issue, first identify the FEM by OBD and check whether the recognized version and code are normal, then continue with the corresponding action.
Technical Explanation
The next step depends on whether the version and code identified by OBD are recognized correctly.
Diagnostic / Action Steps
1. Identify the FEM through OBD.
2. Check whether the recognized version and code are correct.
3. If both are recognized correctly, proceed directly with key programming.
4. If the recognized information is abnormal, restore the following options on Mini ACDP:
Recover EEPROM Data
Recover Coding Data
Final Result
The "Operation timeout, retry" error is cleared, allowing the key programming procedure to continue normally.
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