How Change MQB49 5C 5D Key ID with Keydiy KD-X4?

How change VAG MQB49 5C 5D Key ID to match original system in Keydiy KD-X4? This is a frequently asked questions of Keydiy MQB49 function.

Here is the clue.

First of all, need to disassemble and read original key data, then generate a service code.

Keydiy will display two key IDs. Place original key into the KD-X4 induction coil,  it will display key ID and check which ID between these two is the original key ID.

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We can write the ID of the original factory key onto the key to be matched.
After programming the dealer key, we will write this ID to it.

NOTE: Only Keydiy remote allows modification of ID. 
Select the Service code- choose FGB remote and generate dealer key.

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Select Chip function- Automation detection clone.

Place the Keydiy FGB remote to the KD-X4 induction coil.

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Hit Start identifying.

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It will read chip type and ID. Hit Chip editing.

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Modify the ID to original key ID.

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Write ID successfully.

Identify remote information again.

Now you can see key ID has been changed.

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After changing key ID to match original system, then you start learning keys in car.

 

Read also:

How to Add VAG MQB49 5C 5D Key with Keydiy KD-X4 Step by Step?

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