To unlock expanded diagnostic functions (like J2534 programming) for your VDIAGTOOL D-Series scanner, you'll need to use a subscription code. This step-by-step guide walks you through buying, locating, and activating your code seamlessly.
Start by securing the subscription that matches your vehicle and D-Series model:
Either open the VDIAGTOOL App, navigate to the "Mall" section, or visit our official subscription page >> https://www.vdiagtool.com/function-stock
Choose your desired subscription (e.g., D200 All Special Function Unlock), click "Buy Now".

Review the Privacy Policy & Subscription Terms, check the agreement box, then click "Pay Now" to complete payment

After successful payment, your code will be delivered in 2 ways:


It is strongly recommended to log in to both the app and the official website using the same email address.
Follow these steps to link the code to your D-Series(D100/200/501/502/530) device:



Finally, confirm the subscription has been activated, and double-check the service's validity period.
Launch your table device. Navigate following the path below: Main Interface → More → Profile → Subscription Services.

1. On the Subscription Info page, tap Redeem Code.
2. Enter your 16-character activation code (case-insensitive).
3. Tap Verify to complete redemption.
4. Go back to the subscription information interface to check if the subscription validity period is updated successfully.


1. Return to the Subscription Info page.
2. Select Subscription Record and tap Details.
3. You can check the device activation date, subscription validity period, remaining valid days, and renewal records of each activation code on this page.
If you run into issues with purchase, code retrieval, or activation, contact our support team at Support@vdiagtool.com.
Wish you a smooth diagnostic journey! :)
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