How to use the CN900 Key programmer software II

6) After you collect the data ready, put TPX4 on CN900 key programmer like the photo, then click “OK” button.

7) After you finish these steps, you will see ” Reinsert the original key please” just same shown as the photo. Remove TPX4 chip,[obd2express.co.uk] then insert the original key to CN900 key programmer, finally click “OK” button. After a few seconds, you will see “decoded  successfully” prompt on the screen.

8) A few seconds of this prompt later, you will get the following information:

9) Remove original key, then put CN3 chip on CN900 key programmer-car key programmer, click “Copy” button. A few seconds later, you will get “copy success” prompt. It means that CN3 chips has copied the original key data successfully.

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About eobd21

I am a car lover and like to repair car by myself, and know more info about car diagnostic tool and other obd2 tools, share these info with everyone.
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