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Carprog 8.21 User Manual : How to Rework Carprog 8.21

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Carprog 8.21 is good tool for ecu program,and also works well in opel airbag.And following is a Carprog 8.21 China Rework guide to make theĀ  clone carprog 8.21 to be real same as original carprog ecu programmer.Just for sharing,hope it will be useful.

Step1:

Rework the Carprog PCB:

Change the ICs from 74CT125 to 74HCT125M

And also add 25V 47uf Cap

carprog-rework-1(2).jpg

carprog-rework-2(1).jpg

like this and also ,you need rework the back PCB.

If you want more information or pictures of rework,you can contact us! šŸ˜‰

After rework,you can open the software again,and try to change mileage function,you will find it works now

carprog-rework-3.jpg

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