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How to fix VVDI2 when not connected with OBD2?

vvdishop | 10 June, 2019 07:27

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-connected-obd2-1


vvdi2-not-connected-obd2-2


vvdi2-not-connected-obd2-3
DIY Solution:
A2SHB component should be replaced.
vvdi2-replace-a2shb-resistor
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-resistor
Description
N-channel enhancement mode field-effect transistor in a plastic package.
Pinout
a2shb-resistor-pinout
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

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