How to Convert Ford 4D63 40bit to 4D83 80bit wtih Xhorse VVDI Key Tool Max?

Xhorse VVDI Key Tool Max allows users to easily switch between DST40 (ID63) and DST80 (ID83) transponder formats for Ford and Mazda vehicles. This guide walks you through the conversion process step by step.

Convert DST40 to DST80
Step 1: Enter Transponder Clone
Open VVDI Key Tool Max and select “Transponder Clone” from the main menu.

Step 2: Read the Transponder
Tap “Read Transponder” to identify the chip information.

Step 3: Open the Edit Menu
Press the “Edit” button located at the bottom center of the screen.

key-tool-max-convert-ford-4d63-40bit-to-4d83-80bit-1

Step 4: Select DST+
Choose “DST+” from the available transponder options.

key-tool-max-convert-ford-4d63-40bit-to-4d83-80bit-2

Step 5: Locate P30 Parameter
Scroll down to the bottom of the page and find the P30 parameter.

Step 6: Check the Current Value
Make sure the P30 value is set to 0000.
Important: Do not read or scan the transponder again after entering the edit page, as this may reset the value.

key-tool-max-convert-ford-4d63-40bit-to-4d83-80bit-3

Step 7: Enter the Required Format Code
Tap the P30 value and enter one of the following codes:
0046 → Convert to DST40 (40-Bit)
0846 → Convert to DST80 (80-Bit)
Then tap “OK” to save the change.

key-tool-max-convert-ford-4d63-40bit-to-4d83-80bit-4

Step 8: Write the New Configuration
Press the pencil icon on the right side of the screen to write the modified data to the chip.
Step 9: Confirm Success
If the operation is successful, the device will display a “Write OK” message.

key-tool-max-convert-ford-4d63-40bit-to-4d83-80bit-5

key-tool-max-convert-ford-4d63-40bit-to-4d83-80bit-6

Can DST80 Be Converted Back to DST40?
Yes. Xhorse VVDI Key Tool Max supports bidirectional conversion between DST40 and DST80 formats.
To convert a DST80 chip back to DST40, simply repeat the same procedure and change the P30 value accordingly:

0046 = DST40 (40-Bit)
0846 = DST80 (80-Bit)

This feature provides locksmiths and automotive key programmers with a convenient way to reuse compatible transponder chips and adapt them for different Ford and Mazda applications.

With VVDI Key Tool Max, converting between DST40 and DST80 transponder formats is quick and straightforward. By modifying the P30 parameter and writing the new configuration to the chip, users can switch formats in just a few minutes, making key programming more flexible and cost-effective.

https://www.xhorsevvdi.com

Skype: xhorsevvdi.com

Whatsapp: https://wa.me/8613983756354