How to Solve VVDI Prog failed to read BMW CAS4-1L15Y

One of our customer who bought the Xhorse VVDI Prog from us , send us an email he has the problem ” failed to read BMW CAS4-1L15Y ” when using VVDI Prog programmer, after obd2shop.co.uk engineer checking and find the way to solve it, let’s see together:

From Mr. Teemu Rannanmäki

” Hello Elyza , I tried to read BMW CAS4-1L15Y ECU with original Xhorse VVDI Prog ecu programmer, but failed. Then I followed the VVDI-prog factory instruction,still failed to read it. How can I solve it ”

We show his problem to engineers and the solution is:

Take off the component between GND-C and CLK IC circuit. It will read.

vvdi-prog-solve-problem-1

vvdi-prog-solve-problem-2

And my friend reply to us
” Hello Elyza, thank you very much , now it working perfect ! ”

If you also happened the same problem with VVDI PROG, please can use the above way to fix by yourself, hope it would help you.

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