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How to Fix and Restore Your KESS V2 5.017 SD Card If your KESS V2 5.017 is showing errors like "Wake up error" or "No protocol found," the culprit is often a corrupted or low-quality internal SD card. Many clone units come with "junk" cards that fail after a few uses. Replacing the card and flashing a fresh is the most reliable way to get your ECU tuning tool back in action. Why You Need a New SD Card Image
Open your KESS V2 case (4 screws). Look at the original SD card. Check the brand and size. Try to match the size exactly. If the image is from a 4GB card, use a 4GB card. kess v2 5017 sd card image new download