Complete Guide: How to Read Car Key Information with Xhorse Key Tool Max PRO

I. Preparation

1. Device Check

• Ensure the device is fully charged (battery life of approximately 6 hours)
• Confirm stable network connection (WIFI or mobile data); some functions require online verification
• Prepare the car key to be read

2. Power On & Login

• Press and hold the power button to turn on the device
• Select language and region settings
• Connect to WIFI and log in to your Xhorse account (register first if you don’t have one)

II. Read Car Key Chip Information (Most Common Method)

1. On the home screen, find and select the "Transponder Clone" function
2. Place the car key flat on the induction coil slot at the top of the device (ensure the chip is aligned with the coil)
3. Click the "Read Transponder" button to start the device
4. After successful reading, the screen will display the following information:
   • Key Type: Key type (e.g., 4D/8A/4A, etc.)
   • Chip: Specific chip model (e.g., ID48/46, etc.)
   • Key ID: Unique key identification code
   • Status: Key status (Programmed/Unprogrammed)
   • Cloneable: Clone compatibility (Yes/No)
   • Frequency: Remote control frequency
   • KM: Mileage (for some models; swipe down to view)

III. Read Remote Key Signal Frequency

1. Return to the home screen and select the "Remote Clone" function
2. Place the car key on the induction coil and press any button on the key (e.g., lock/unlock button)
3. The device will display all frequency values used by the key, which can be used to check if the remote control is working properly

IV. Read Vehicle Immobilizer System Information via OBD (Advanced Method)

1. Connect the device to the vehicle’s OBDII port (usually located under the driver’s seat) using an OBD cable
2. On the home screen, select "Immo Programming"
3. Select the vehicle model following this path:
   plaintext

   [Brand] >> [Model] >> [Year] >> [System Type] >> [Function Option]
   

    
    
   Example: Ford >> Mustang >> 2016-2019 >> Smart Key System >> Read PIN Code
4. Follow the on-screen prompts (VIN input or vehicle startup may be required). After completion, you can read:
   • Vehicle immobilizer PIN code
   • Number of registered keys
   • Available key slots for addition
   • Key programming history (for some systems)

V. Read Smart Key Detailed Information (For Keyless Entry Systems)

1. Select "Special Function", then choose "Remote Leakage Detection"
2. Place the smart key on the induction area; the device will detect:
   • Remote control battery voltage
   • Signal leakage status
   • Button response performance
3. For more detailed information, select "Identify Remote" and follow the prompts

VI. Common Application Scenarios After Reading Information

1. Key Cloning: After successful reading, directly select "Clone" to generate a blank key with the same chip data
2. Add New Key: After reading immobilizer system information, select the "Add Key" function and follow the prompts to add a new key
3. Key Diagnosis: Check if the key is functioning normally to determine if battery replacement or re-programming is needed

VII. Practical Tips & Troubleshooting