VVDI Prog is the best tool to Read and Write BMW CAS4?

Here is some experience of which tool is best for reading and writing BMW CAS4, which may help you to get a safe tool…and know can “xprog safe or xhorse better?”.

 

If you want a cheap tool for CAS4, get a R270 or R280 programmer. But it’s not the best quality and maybe you have to rework the pcb to work better.

On a side note, Xprog does not want to do the job very well, I cannot recommend it.!

XHORSE VVDI PROG IS THE BEST FOR READING CAS.

VVDIprog does Cas4 + fine. the only tango adds pcf7939 chips

This is how VVDI prog read/write CAS4 5M48H.

Quick guide:

Open VVDI Prog software, select type, manufacture and model as MC9S12XEP100)

Click “Wiring Diagram”

Maximize wiring diagram: right click and select “zoom window”, then pull down window.

Follow the wiring diagram to connect CAS to the VVDI Programmer.

Start to connect the cable.

The left zone is done, next is to do the right zone.

In this wiring diagram, it only need to remove one 0 ohm resistor to read out data, but one CAS ECU structure is different another one, some needs remove more electronic parts; we will show how to do in the other videos.

Next is to remove this 0 ohm resistor.

Wiring is done, 0 ohm resistor is removed

Plug adapter into VVDI-Prog.

Close wiring diagram.

Select “New” – ” Read”

You see it is reading data very fast.

Reading data successfully, click “Save”

Next is to check data.
Open the data, drag the mouse to check, okay, data is all read out, close it.

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