Esys Plus 402 Top ((exclusive)) -

Esys Plus 402 Top: The Ultimate Guide to Features, Performance, and Value

• Avoid eBay listings under $200 – these are usually older 1.5 or 2.0 versions relabeled.
• Look for sellers offering firmware updates and English support.
• Check that the package includes: OBD-II cable, USB cable, DoIP (Ethernet to OBD) adapter, and optionally a 12V power supply.
• Verify the chipset: open Device Manager → Universal Serial Bus devices → look for "FTDI FT2232H" or similar high-end chip.

• Solution: Insufficient starting voltage. Increase the minimum PWM duty cycle in BIOS to 30% (approx. 4V).

With a MTBF (Mean Time Between Failures) of 100,000 hours (~11.4 years), the ESYS Plus 402 Top is a "fit and forget" component, provided you perform basic maintenance: