DIY Solution to Xhorse VVDI2 Not Connected by OBD2 Problem

Here’s the customer solution to Xhorse VVDI2  not connected by OBD2 problem.

 

Disclaimer:

You are at your risk.

 

Problem:
Today my 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.

Can you tell me which component to send and replace on the board?

vvdi2-not-connect-obd-1

vvdi2-not-connect-obd-2

vvdi2-not-connect-obd-3

DIY Solution:

A2SHB component should be replaced.

vvdi2-chip-datasheet

A2SHB Datasheet – Vds=20V, N-Channel MOSFET

Part Number : A2SHB

Function : N-Channel 1.25-W, 2.5-V MOSFET

Package : SOT23 Type

Manufacturers : Vishay, NXP

Image :

A2SHB-transistor

Description

N-channel enhancement mode field-effect transistor in a plastic package.

 

Pinout

A2SHB-transistor-2

Features
1. Very fast switching
2. Logic level compatible
3. Subminiature surface mount package.

Application

1. Battery management
2. High speed switch
3. Low power DC to DC converter.

 

 

Suggestion:

If you have any problem of Xhorse tools, please contact us at any time.

www.vvdishop.com