If using a USB-to-Serial adapter, install the drivers for that adapter first. Ensure the COM port number is set between COM1 and COM4 in Windows Device Manager, as the legacy Memoscan software often fails to recognize higher COM ports (e.g., COM5+).

Updating your software unlocks the full potential of these features:

The is a popular, budget-friendly OBD2 scanner known for its ability to read and clear fault codes, display live data, and perform special functions like oil light resets and battery registration on many European, Asian, and American vehicles. However, like all diagnostic tools, its effectiveness depends on having the latest software.

Always back up your current firmware (if the software allows it) before updating. If your U581 is a cloned or counterfeit unit, an official update may fail or lock the device . In that case, continue using the original software version it came with.

John had heard about the MemoScan U581 update software from a colleague who had recently upgraded their machine. The update had promised to improve image quality, fix bugs, and enhance overall performance. Eager to resolve his issues, John clicked on the download link and began the update process.

2026 © Evorim. All Rights Reserved. Privacy | GTC | Disclaimer | Imprint