Original KEYDIY KD-X4 Universal Key Programmer, Support BDC / 5C / 5D / BCM2 Programming

KEYDIY KD-X4 Newly Upgraded & Exclusive Functions

• Industry debut UWB (Bluetooth) key precise detection function. 
• Exclusive Toyota used key unlock-free programming function for Toyota/Lexus 8A-AA, BA, 4A-type keys. 
• First-to-market MLB chip detection technology. 
• Built-in CANFD integration, no extra accessories required for advanced diagnosis. 
• Supports 24V Chinese heavy-duty truck key programming. 
• Reserved built-in programmer function for future 5A mileage programming upgrade. 
• One-second ultra-fast startup to improve working efficiency. 
• Latest official SFD1 unlock function, only 200k credits or 5 USD per unlock. 
  
  
  

KEYDIY KD-X4 BMW & VAG Full System Support

• Full support for BMW BDC2/BDC3/BCP/LCD smart keys, no-disassembly key adding. 
• Compatible with KEYDIY FGB58, FGB57, FGB23 BDC dedicated keys. 
• Supports VW MQB49/5C key adding, VW/Audi/Porsche 5D key adding. 
• Supports Rolls-Royce and Toyota SUPRA no-disassembly key adding. 
• Supports 2019+ Toyota Rollin-Code bypass and MQB key programming. 
  
  
  

KEYDIY KD-X4 Basic Core Locksmith Functions

• Remote Generation: Supports 5600+ remote control program generation. 
• Remote Copying: Compatible with over 50 car models for remote duplication. 
• Key Simulation: Supports remote control and smart key keyless simulation.
• Multi-band Frequency Detection: Detects 315M, 433M, 467M, 868M, 902M and 2.4G Bluetooth frequencies.
• Full-series Chip Recognition: Supports MLB, 5C, 46, 47, 48, MQB48, 4D, 4C, 8A and other mainstream chips. 
• Specialized Chip Generation: Supports Toyota G, NB, 8A/H, 48, 4D/4C and other dedicated chips. 
• Multi-mode Chip Acquisition: Supports built-in antenna, external antenna and enhancer acquisition for BYD all keys lost and OBD48 scenarios. 
• Key Unlocking: Supports unlocking for 36 brands of original keys. 
• Key Detection Functions: 3V remote battery voltage detection and key leakage detection. 
• IMMO Programming: Covers 51+ vehicle brands with continuous online updates. 
• Dashboard Programmer Function: Reads and writes VW/Audi MQB dashboard and BCM data, EEPROM octagonal chip data. 
• Special Functions: Ford alarm cancellation and Toyota 8A blade key all keys lost programming (requires dedicated harness). 
  
  

KEYDIY KD-X4 Language Support

• Supports 19 languages: English, Simplified Chinese, Spanish, German, French, Russian, Arabic, Turkish, Portuguese, Italian, Polish, Romanian, Slovene, Vietnamese, Thai, Hebrew, Persian, Japanese, Korean. 
  
  

KEYDIY KD-X4 Official Functional Limitations

• Does not contain KD-MP MQB48 / MLB key reading functions.
  
  
  

  KEYDIY KD-X4 Locksmith's Universal Tool Parameters:

  • Battery Capacity: 3.7V, 2000mAh
  • Input Power: 5V/9V/12V, 2A
  • Size: 150 x 85 x 30 mm
  • Working Temperature: -10°C to 50°C
  • Connectivity: BLE, USB 2.0 (Type B)
  • Display: 2.8-inch color screen
  • Storage Temperature: -20°C to 60°C

  
  Button and Interface Function Description
  
  

  1. Power On/Off Button:
     • In the off state, press and hold the power button for 2 seconds to turn on the device.
     • When the device is on, press and hold the power button for 2 seconds to turn it off.
  2. Chip Recognition Button:
     • Press to enter the chip detection function.
     • Long press to access the function-switching menu, where you can select:
       • Chip Recognition
       • Ignition Coil Detection
       • System Settings
  3. Remote Copy Button:
     • Press to enter the remote normal copy function.
     • Long press to access the function-switching menu, where you can select:
       • Normal Copy
       • Special Copy
       • Remote Data Comparison
  4. Frequency Detection Button:
     • Press to enter the frequency detection mode within 315MHz.
     • Long press to access the function-switching menu, where you can select:
       • Frequency Detection within 315MHz
       • 433.92MHz Frequency Detection
       • Battery Voltage Detection/Leakage Detection
         (Refer to Figure 3 on the right)
  5. Key Induction Coil and IMMO Chip Placement Hole:
     • Used for identifying and copying car key IMMO chips.
     • Can also generate KD remotes wirelessly.
  6. Frequency Detection Area:
     • Place the key in this area and press the remote control button to detect the frequency.
  7. Power Indicator Light:
     • Power On Status: Indicator light flashes.
     • Charging Status: Indicator light stays on and turns yellow.
     • Fully Charged Status: Indicator light stays on and turns green.
  8. Display Screen:
     • Displays device information, key information, and more.
  9. USB Interface:
     • Used for charging or connecting to mobile phones or PC terminals via a wired connection.
  10. Programmer Interface:
      • Used to read data from Volkswagen MQB dashboards, Audi dashboards, BCM data, and various octagonal chip EEPROMs.
  11. Wired Programming Interface:
      • Used for KD wired remote generation, unlocking original keys, detecting remote battery voltage, and leakage detection.
  12. Collecting Antenna:
      • Collects car ignition data, tests ignition coils, performs chip simulation, and other functions.
  13. External Acquisition Antenna Interface:
      • Used for collecting car ignition data, ignition coil detection, chip simulation, and similar functions.
  14. Toyota Adapter Cable Interface:
      • Used for Toyota/Lexus smart key all-key-lost scenarios.
  15. OBD Main Cable Interface:
      • Connects the external OBD II cable to the car.
      • Works with the Mobile KD App to enable programming functions.

  
  
  

KEYDIY KD-X4 Package List

Product Warranty Instructions

The warranty period for KD-X4 devices is one year, starting from the date the user activates the device.

• If a malfunction occurs during the warranty period and is confirmed by our professional personnel to not be caused by user error, our company will provide the following services free of charge:
  • Repair
  • Replacement of components
  • Maintenance
• If the warranty period has expired, a repair fee will be charged for any repairs or services needed.