Offer DIY solution to the error that Xhorse VVDI2 is not connected by OBD2.
Thanks to jodge (DK Veteran).
VVDI2 is no longer connected by OBD2, it has been short to negative.
This component was burned (make smoke), I took it and at least UDS protocol is working, I did not test in Kline
Please replace A2SHB component.
Part Number : A2SHB
Function : N-Channel 1.25-W, 2.5-V MOSFET
Package : SOT23 Type
Manufacturers : Vishay, NXP
N-channel enhancement mode field-effect transistor in a plastic package using TrenchMOS technology.
- TrenchMOS™ technology
2. Very fast switching
3. Logic level compatible
4. Subminiature surface mount package.
- Battery management
2. High speed switch
3. Low power DC to DC converter.
You try it at your own lucky.