| Error Message | Likely Cause | Fix | |--------------------------------|----------------------------------------|--------------------------------------------------| | "Device not found" | Driver issue or clone chip mismatch | Reinstall drivers, try different USB port | | "Unknown chip" | Loose connection or unsupported chip | Check wiring, update chip database manually | | "Checksum error" | Corrupted dump or software bug | Load a known good dump, recalc checksum tool | | "Software expired" | Timebomb in crack | Set system date back to 2018–2019 | | "No response from programmer" | Firmware corruption | Reflash programmer using ISP (advanced) |
Using "Carprog 9.31 Full Software Download" almost always means using an unlicensed copy. While many small workshops justify it as "just for learning" or "testing," the reality is: Carprog 9.31 Full Software Download