XTOOL X100 PADS: Advanced Key Programming & Full Diagnostics Tool (2025 Update)

In the rapidly evolving world of automotive diagnostics, the XTOOL X100 PADS stands out in 2025 as a premier tool for both professional mechanics and dedicated DIY enthusiasts. Combining advanced key programming capabilities with comprehensive vehicle diagnostics, this device offers a versatile solution for modern automotive challenges.

XTOOL X100 PADS Comprehensive Key Programming Capabilities

The XTOOL X100 PADS excels in immobilizer (IMMO) functionalities, making it an indispensable tool for locksmiths and technicians dealing with key-related issues.

1. PIN Code Reading and Key Matching

The device can read and reset PIN codes, allowing users to add and match new keys seamlessly. This is particularly useful when dealing with lost or stolen keys, ensuring that unauthorized keys are disabled and new ones are properly programmed.

2. Smart Key Programming

Beyond traditional transponder keys, the X100 PADS supports smart key programming, including remote learning and dealer key generation. This ensures compatibility with modern vehicles that utilize advanced keyless entry systems.

3. EEPROM Read and Write

For vehicles that require EEPROM-level programming, the X100 PADS offers read and write capabilities. This allows technicians to access and modify data stored in the vehicle's EEPROM, facilitating tasks such as key cloning and module replacement.

4. IMMO Module Reset and Coding

After replacing or repairing immobilizer modules, the X100 PADS can reset and code these modules to ensure proper communication with the vehicle's ECU. This is essential for restoring functionality and preventing issues related to immobilizer mismatches.

5. All-Key-Lost Scenarios

In situations where all keys are lost, the X100 PADS can generate new keys and perform necessary programming to restore access to the vehicle. However, it's important to note that for certain brands like Benz, BMW, Audi, VW, and Toyota, additional tools or adapters may be required.

How to Perform All Key Lost Matching with XTOOL X100 PADS

General Procedure for All Keys Lost Key Matching

1. Connect the XTOOL X100 PADS to the Vehicle
• Use the OBD2 cable to connect the XTOOL X100 PADS to the vehicle's OBD2 port.
• Ensure the tablet is fully charged or connected to a power source.
2. Power On and Launch the IMMO Application
• Turn on the X100 PADS device.
• Open the "IMMO" (Immobilizer) application from the main menu.
3. Select Vehicle Make and Model
• Navigate through the menu to select the appropriate vehicle make, model, and year.
• For example, for a Toyota vehicle, select:
• Toyota > By Type > All Blade Key Lost (8A)
• Ensure the software version is up to date (e.g., V26.90 or higher for Toyota).
4. Read Immobilizer Data
• Choose the option to "Read Immobilizer Data."
• Follow on-screen instructions to establish communication with the vehicle's immobilizer system.
• This process may take a few minutes.
5. Save Extracted Data
• After successfully reading the immobilizer data, save the file as prompted.
• Store the data in the designated folder (e.g., Adapter/Toyota) for later use.
6. Disconnect Any Adapters
• If you used an adapter like the M822, disconnect it after data extraction.
7. Prepare for Key Generation
• Connect the KC100 or KC501 adapter to the X100 PADS.
• Insert the KS-1 simulator if required.
• Navigate to the "Generate 8A Simulated Key" option.
• Select the previously saved immobilizer data file.
8. Select Key Position
• Choose an available key position for the new key.
• Avoid positions already occupied by existing keys unless they are being replaced.
9. Generate and Test the Emulated Key
• Follow the on-screen instructions to generate the emulated key.
• Test the key by placing the KS-1 near the ignition switch and attempting to start the vehicle.
• If the vehicle starts and the immobilizer indicator turns off, the emulated key is functioning correctly.
10. Program the New Key via OBD
• Return to the IMMO application and select the option to program a new key.
• Follow prompts to complete the key programming process.
11. Verify Key Registration
• After programming, verify that the new key is registered and can start the vehicle.
• Test all functions, including remote locking/unlocking if applicable.
12. Finalize the Procedure
• Ensure all tools and adapters are disconnected.
• Confirm that the vehicle operates normally with the new key.

Important Notes

• Vehicle Compatibility: Not all vehicles support all-key-lost programming via OBD. Some may require additional procedures or tools.
• Additional Adapters: For certain vehicles, especially those with advanced security systems (e.g., Toyota 8A), adapters like the M822 or KC100/KC501 may be necessary.
• Software Updates: Ensure your XTOOL X100 PADS software is up to date to support the latest vehicle models and key programming functions.
• Professional Assistance: If you're unsure about any step or if the vehicle has a complex immobilizer system, consider seeking assistance from a professional locksmith or technician.

The XTOOL X100 PADS stands out in 2025 as a top-tier OBD2 scanner, combining advanced key programming capabilities with vehicle diagnostics. Its support for the latest protocols and a wide array of special functions make it a versatile tool for professionals and enthusiasts alike. Whether you're dealing with key replacements, diagnostics, or routine maintenance, the X100 PADS offers the features and reliability needed to get the job done efficiently.