KEYDIY KD-X4 KDX4 5-in-1 Key Programmer Newly Add BDC3 Combines KD Max/ KD Mate/ Mini Prog for Key Recognition/ Generation/ Copying/ Programming etc

KEYDIY KD-X4 KDX4 5-in-1 Key Programmer – Combines KD Max, KD Mate and KD Mini Prog

The KEYDIY KD-X4 is a professional-grade Key Programming tool that integrates recognition, generation, copying, programming, and matching functions into one compact device. It can operate independently or connect seamlessly to tablets, smartphones, and PCs via multiple free modes, allowing locksmiths to choose the workflow that best suits their needs. With exclusive early access to industry-leading features, the KD-X4 delivers simple operation, stable performance, and broad vehicle model coverage.

KD-X4 Combines Functions Of: KD Master + KD MAX + KD MATE + KD MINI PROG

New Upgraded Feature: The KEYDIY KDX4 now includes BDC3 functionality. Recommended for use with KEYDIY BMW BDC2 keys such as the KEYDIY KD FGB58, KEYDIY KD FGB57, and KEYDIY KD FGB23.

Notice:
KEYDIY devices do not support the following 8 languages, which are customized by local dealers:
Polish, Chinese, Slovenian, Turkish, Brazilian Portuguese, Hebrew, Persian

KEYDIY KD-X4 locksmith's Universal Tool – Key Features

• Industry Debut UWB (Bluetooth) Key Detection: Precisely detects Bluetooth-enabled car keys.
• Toyota Used Key Unlock-Free Programming: Exclusive capability to program used Toyota keys without prior unlocking.
• MLB Chip Detection Function: Market-first technology for detecting MLB chips.
• CANFD Integration: Advanced diagnostics supported without additional accessories.
• 24V Chinese Heavy-Duty Truck Model Programming: Enables Key Programming for heavy-duty commercial vehicles.
• Built-In Programmer Function: Future-ready support for 5A mileage programming.
• One-Second Startup: Significantly reduces startup time for improved efficiency.
• Multilingual Support: Interface available in English, French, Spanish, German, Italian, Japanese, Korean, Vietnamese, Arabic, Thai, Russian, and Chinese.
• Ford Alarm Cancellation & Toyota 8A Blade Key Programming: Single wire harness handles both tasks (wire harness sold separately).

KEYDIY KD-X4 Universal Key Programmer – Supported Functions

• Remote Generation: Supports over 5600 remote control program generations.
• Toyota Rollin-Code Bypass + MQB Key Programming: Designed for 2019 and newer Toyota models.
• Remote Copying: Compatible with more than 50 car models.
• Key Simulation: Simulates both remote controls and smart keys.
• Frequency Detection: Detects frequencies at 315M, 433M, 467M, 868M, 902M, and 2.4G.
• Anti-Theft Chip Recognition: Supports MLB, 5C, 46, 47, 48, MOB48, 4D, 4C, 8A, 6A, 4A, 8E, 8C, 13, 11, 12, 7935X, 49, 33/40–44, AUDI5, ID card, and IC card.
• Specialized Chip Generation: Generates Toyota G, NB multifunctional, 30/40–44, 48, 4D/4C, Toyota 8A/H, and 46 specialized chips.
• Chip Acquisition: Supports device acquisition antenna, external acquisition antenna, and built-in acquisition enhancer for BYD all-key-lost scenarios, OBD 48, and more.
• Key Unlocking: Works with 36 different brand keys.
• Battery Voltage Detection: Tests 3V remote key battery voltage.
• Key Leakage Detection: Identifies leakage in 3V remote control keys.
• Second-Hand Remote Programming Without Unlocking: Supports unlock-free programming for Toyota/Lexus 8A-AA, BA, and 4A-type used keys.
• Immo Programming: Compatible with over 51 car brands, with ongoing updates.
• Programmer Function: Reads immo data from Volkswagen and Audi MQB dashboards.

Button and Interface Function Description

Operating the KEYDIY KD-X4 is intuitive and user-friendly. Follow the guide below to understand each component:

Power On/Off Button

Press and hold for 2 seconds to power on when off. Press and hold for 2 seconds to power off when running.

Chip Recognition Button

Short press to enter chip detection mode. Long press to access the function-switching menu: Chip Recognition, Ignition Coil Detection, or System Settings.

Remote Copy Button

Short press to enter normal remote copy mode. Long press to open the function-switching menu: Normal Copy, Special Copy, or Remote Data Comparison.

Frequency Detection Button

Short press to enter frequency detection within 315MHz. Long press to access: 315MHz Detection, 433.92MHz Detection, or Battery Voltage/Leakage Detection.

Key Induction Coil and IMMO Chip Placement Hole

Used for identifying and copying car key IMMO chips. Also enables wireless generation of KD remotes.

Frequency Detection Area

Place the key here and press its button to detect transmission frequency.

Power Indicator Light

• Power On: Light flashes.
• Charging: Light stays on and turns yellow.
• Fully Charged: Light stays on and turns green.

Display Screen

Shows device status, key information, and operational prompts.

USB Interface

For charging or wired connection to mobile devices and PC terminals.

Programmer Interface

Connects to read data from Volkswagen/Audi MQB dashboards, BCM modules, and octagonal chip EEPROMs.

Wired Programming Interface

Used for KD wired remote generation, original key unlocking, battery voltage testing, and leakage detection.

Collecting Antenna

Supports ignition data collection, ignition coil testing, and chip simulation.

External Acquisition Antenna Interface

Connects external antenna for ignition data collection, coil detection, and simulation tasks.

Toyota Adapter Cable Interface

Dedicated interface for Toyota/Lexus smart key all-key-lost programming scenarios.

OBD Main Cable Interface

Connects external OBD II cable to the vehicle. Works with the Mobile KD App to enable full programming capabilities.

Product Specifications

• Battery Capacity: 3.7V 3500mAh
• Input Power: 12V / 24V / 5V, 1A
• Working Temperature: -30°C to 50°C
• Storage Temperature: -40°C to 60°C
• Display: 1.8-inch color screen
• Dimensions: 200 x 120 x 40 mm
• Connectivity: Bluetooth, USB 2.0 (Type B)

KEYDIY KD-X4 Key Programmer – Frequently Asked Questions

What is the KEYDIY KD-X4, and what does it do?

The KEYDIY KD-X4 is an advanced locksmith tool designed for automotive key programming and repair. It combines key recognition, generation, copying, programming, and matching into one device. It supports over 5600 remote generations, frequency detection, chip recognition, and immobilizer programming across numerous vehicle brands.

Which car models and brands does the KEYDIY KD-X4 support?

The KD-X4 supports over 51 car brands, including Toyota, Lexus, Ford, Volkswagen, and Audi. It also offers specialized functions like Toyota Rollin-Code Bypass and MQB key programming for 2019+ Toyota models.

Can the KD-X4 unlock and reprogram used car keys?

Yes, the KD-X4 supports unlocking and reprogramming used keys, including Toyota 8A and 4A transponder types, enabling reuse on other vehicles.

Does the KD-X4 support key programming for heavy-duty Trucks?

Yes, it includes dedicated 24V programming support for Chinese heavy-duty Trucks.

What languages does the KEYDIY KD-X4 support?

The device supports 19 languages: Arabic, Korean, German, Spanish, English, Chinese, French, Italian, Japanese, Vietnamese, Thai, Russian, and others.

What is included in the KD-X4 package?

The package includes: KD-X4 device, OBD main cable, USB cable, Toyota adapter cable, programmer adapter board, programmer wiring cable, remote control burning cable, key unlocking cable, and external acquisition antenna.

KEYDIY KD-X4 Function Activation Fees

Package Includes

• 1pc x KD-X4 Device
• 1pc x OBD Main Cable
• 1pc x USB Cable
• 1pc x Toyota Adapter Cable
• 1pc x Programmer Adapter Board
• 1pc x Programmer Wiring Cable
• 1pc x Remote Control Burning Cable
• 1pc x Key Unlocking Cable
• 1pc x External Acquisition Antenna