| Problem | Solution | | :--- | :--- | | | Usually a J2534 driver issue. Reinstall the pass-thru driver and ensure the device is set as the default in Windows. | | "Battery Voltage Too Low" error | Your charger is insufficient. Use a dedicated power supply that can hold 13.0–14.5V during the flash. | | Flash hangs at 50% (Erasing) | The module may be corrupted. Try a "Force Flash" or "Recovery Mode" option (if available). If not, the module may need bench flashing. | | Module won't communicate after flash | You forgot to run the post-flake configuration routines. Re-enter the module and look for "Configure" or "Replace Module" procedures. |
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