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What are you trying to connect?
Look for a small slip of paper inside your connector box containing a serial number and an activation code.
Reading/clearing DTCs for engines, ABS, SRS, transmission, and more.
: This is almost always the Serial Number (e.g., 98xxxxxxxxxx) of your device.
For the vast majority of Xdiag Pro 3 units (running factory firmware), the default login is: Xdiag Pro 3 Username And Password
| Product / Service | Price | | :--- | :--- | | XDIAG PRO 3 - 1 Year (EasyDiag3) | 2,800 TL (Turkish Lira) | | ThinkDiag or Golo Pro Diagzone - 2-year update | 120 EUR | | ThinkDiag or Golo Pro Diagzone - 14 days of update | 75 EUR | | Password Reset & Account Recovery Service | €9.90 |
: A Serial Number is permanently bound to the first account created with it. If you purchase a second-hand tool, you must obtain the original login details from the previous owner, as creating a new account will not work.
Xdiag user credentials are strictly case-sensitive. Check for accidental capital letters.
If you bought an online activation, the "Username" is often the email you used or your device's serial number, and the password is sent via a secure message. Recovering a Lost Xdiag Pro 3 Password What are you trying to connect
Your account is bound to your specific hardware serial number. Sharing your login details online can result in the master server permanently banning your serial number for violating terms of service.
This is a very common scenario, especially with second-hand devices. According to activation experts on MHH AUTO, many users find themselves in this exact situation: they have the connector and its serial number but have lost the original paperwork containing the username and password.
For new users or software updates, login details are typically provided through the following process:
I can provide specific step-by-step recovery instructions based on your situation. Share public link : This is almost always the Serial Number (e
Disclaimer: This information is based on public documentation regarding Xdiag software activation and is intended for educational purposes.
Input your device's serial number to get a verification code sent to your registered email . Enter the code and set a new password.
The are your keys to professional automotive diagnostics. Because this is a specialized server-based system, your original seller is your primary point of contact for any login issues. Keep your credentials safe, and ensure your subscription stays active to enjoy the latest vehicle coverage.