{"id":23214,"date":"2025-08-29T03:03:31","date_gmt":"2025-08-29T03:03:31","guid":{"rendered":"https:\/\/www.obd2tool.com\/blog\/?p=23214"},"modified":"2025-09-06T03:04:38","modified_gmt":"2025-09-06T03:04:38","slug":"keydiy-kdx4-kd-x4-upgrade-of-kdx2-kdmax-remote-generateor-copy-chip-reader-program-multi-functional-anti-theft-matching-tool","status":"publish","type":"post","link":"https:\/\/www.obd2tool.com\/blog\/keydiy-kdx4-kd-x4-upgrade-of-kdx2-kdmax-remote-generateor-copy-chip-reader-program-multi-functional-anti-theft-matching-tool\/","title":{"rendered":"KEYDIY KDX4 KD-X4 Upgrade of KDX2 KDMAX Remote Generateor Copy Chip Reader Program Multi-functional Anti-theft Matching Tool"},"content":{"rendered":"

KEYDIY KDX4 KD-X4 Upgrade of KDX2 KDMAX Remote Generateor Copy Chip Reader Program Multi-functional Anti-theft Matching Tool<\/strong><\/a><\/p>\n

Product sell points:<\/strong>
\n1.Online Upgrade Capability: <\/strong>Offers online upgrading, providing access to the latest software updates for optimal performance.
\n2.Multilingual Support: <\/strong>Offers multilingual support, ensuring ease of use for users from various linguistic backgrounds.
\nSupports: English, Chinese, Vietnamese, Russian, French, Spanish, German, Italian, Arabic, Thai, Japanese, Korean
\n3.Advanced Chip Recognition:<\/strong> Detects 21 common chip types and supports MLB 22k chip generation, enhancing key flexibility.
\n4.Bluetooth & WiFi Connectivity:<\/strong> Features Bluetooth and WiFi for remote programming and data collection, improving operational efficiency.
\n5.Kd X4 Keydiy\\Keydiy Kd X4\\Wide Vehicle Coverage:<\/strong> Supports over 56 brands and Toyota 8A key generation, making it versatile for various car models.<\/p>\n

KD-X4<\/strong> is a locksmith professional device that integrates recognition, generation, copying, programming, and matching.\u00a0 It can be operated independently, or connected to tablets, mobile phones, and PC software in multiple free modes. Locksmith can choose the mode of operation that suits their own usage habits.\u00a0 Exclusive priority release of some industry-leading features.\u00a0 The device supports frequency detection (supporting 2.4G), remote control generation, remote control simulation, key-less remote simulation, remote control copying, chip recognition\/copying, chip generation, chip acquisition, key unlocking, immo programming, programmer reading and writing data, online upgrading and other functions.\u00a0 It has become a professional device with simple operation, stable performance, and wide coverage of car models.<\/p>\n

\"\"<\/p>\n

1.Product Information<\/strong>
\nBrand:<\/strong> KD
\nModel:<\/strong> KD Device \/ KD-X4 Locksmith Multi-functional Anti-theft Device
\nAccessory Type:<\/strong> Remote Key
\nColor Classification:<\/strong> KD Device \/ KD-X4
\nCondition:<\/strong> New
\nSupported Devices:<\/strong> 4D \/ 8A \/ 46 \/ 47 \/ 49 \/ 4A<\/p>\n

2.Features<\/strong>
\nSupports over 56 vehicle brands, including Toyota, Volkswagen, etc., and can match Toyota 8A mechanical keys that are completely lost. It is also compatible with CANFD models and supports the key loss alarm cancellation function for all Ford models.
\nSupports the generation of over 7,500 domestic and 4,500 international remote control programs, can detect 21 common chip types, and specifically supports the MLB 22k chip (MLB key generation function reserved).
\nThe external flexible low-frequency antenna supports IMMO simulation smart keys. All frequencies are within the 2.4G range (including 300M, 500M, 700M, 900M, 2.4G Bluetooth), and data can be collected and copied through external devices.
\nSupports the KD Mini program and universal programming functions, with a built-in super programmer to facilitate data collection and copying, improving operational flexibility and efficiency.<\/p>\n

3.Key Innovations<\/strong>
\nThe KD-X4 supports functions such as detection, generation, duplication, programming, and matching. It is an essential tool for professional locksmiths, capable of standalone operation or connection to a tablet, smartphone, or PC software. Locksmiths can select their preferred operating mode based on needs and enjoy exclusive advanced features released first in the industry.
\nSupports functions for detection, creation, duplication, matching, and programming, which can be used standalone or connected to a smartphone, tablet, or PC software.
\nThe display supports split-screen display and independent display, with operation available through mobile phone or PC connection. The smart matching function is more comprehensive and can automatically connect and match the corresponding program.
\nSupports 19 languages, including Arabic, Korean, German, Spanish, English, Chinese, etc. Standby time is no less than one month.<\/p>\n

4.Target Audience<\/strong>
\nAutomotive locksmiths, automotive repair technicians, automotive modification experts, etc.<\/p>\n

FUNCTIONL OCATION:<\/strong>
\nChip Function-Second-hand remote programming without unlocking
\nProduct diagram of Toyota blade key 8A all key lost wiring harness, hereinafter referred to as all key lost wiring harness, and each plug is abbreviated by serial number
\nFord all key lost wiring
\nharness (8A harness)
\nSupport Toyota 8A blade key models before 2018
\nNo need to removable immob-ilizer for reading IMMO files
\nSupport the removal of all key lost alarm for the 2014-2018 Ford keyless vehicle model
\n\"\"
\n\"\"
\n\"\"
\n\"\"<\/p>\n

Package includes:<\/strong>
\nKD-X4 device
\nOBD main cable
\nUSB cable
\nToyota adapter cable
\nProgrammer adapter board
\nProgrammer wiring cable
\nRemote control burning cable
\nKey unlocking cable
\nExternal acquisition antenna
\nCarry Case
\n\"\"<\/p>\n

Power On\/Off Button:<\/strong>
\nIn the off state, press and hold the power button for 2 seconds to turn on the device.
\nWhen the device is on, press and hold the power button for 2 seconds to turn it off.<\/p>\n

Chip Recognition Button:<\/strong>
\nPress to enter the chip detection function.
\nLong press to access the function-switching menu, where you can select:
\nChip Recognition
\nIgnition Coil Detection
\nSystem Settings<\/p>\n

Remote Copy Button:<\/strong>
\nPress to enter the remote normal copy function.
\nLong press to access the function-switching menu, where you can select:
\nNormal Copy
\nSpecial Copy
\nRemote Data Comparison<\/p>\n

Frequency Detection Button:<\/strong>
\nPress to enter the frequency detection mode within 315MHz.
\nLong press to access the function-switching menu, where you can select:
\nFrequency Detection within 315MHz
\n433.92MHz Frequency Detection
\nBattery Voltage Detection\/Leakage Detection
\n(Refer to Figure 3 on the right)<\/p>\n

Key Induction Coil and IMMO Chip Placement Hole:<\/strong>
\nUsed for identifying and copying car key IMMO chips.
\nCan also generate KD remotes wirelessly.<\/p>\n

Frequency Detection Area:<\/strong>
\nPlace the key in this area and press the remote control button to detect the frequency.<\/p>\n

Power Indicator Light:<\/strong>
\nPower On Status: Indicator light flashes.
\nCharging Status: Indicator light stays on and turns yellow.
\nFully Charged Status: Indicator light stays on and turns green.<\/p>\n

Display Screen:<\/strong>
\nDisplays device information, key information, and more.<\/p>\n

USB Interface:<\/strong>
\nUsed for charging or connecting to mobile phones or PC terminals via a wired connection.<\/p>\n

Programmer Interface:<\/strong>
\nUsed to read data from Volkswagen MQB dashboards, Audi dashboards, BCM data, and various octagonal chip EEPROMs.<\/p>\n

Wired Programming Interface:<\/strong>
\nUsed for KD wired remote generation, unlocking original keys, detecting remote battery voltage, and leakage detection.<\/p>\n

Collecting Antenna:<\/strong>
\nCollects car ignition data, tests ignition coils, performs chip simulation, and other functions.<\/p>\n

External Acquisition Antenna Interface:<\/strong>
\nUsed for collecting car ignition data, ignition coil detection, chip simulation, and similar functions.<\/p>\n

Toyota Adapter Cable Interface:<\/strong>
\nUsed for Toyota\/Lexus smart key all-key-lost scenarios.<\/p>\n

OBD Main Cable Interface:<\/strong>
\nConnects the external OBD II cable to the car.
\nWorks with the Mobile KD App to enable programming functions.<\/p>\n

Product Specifications:<\/strong><\/p>\n\n\n\n\n\n\n\n\n\n
Battery capacity<\/td>\n3.7V 3500MAh<\/td>\n<\/tr>\n
Input power<\/td>\n12V\/24V\/5V 1A<\/td>\n<\/tr>\n
Working temperature<\/td>\n-30-50 degrees Celsius<\/td>\n<\/tr>\n
Storage temperature<\/td>\n-40-60 degrees Celsius<\/td>\n<\/tr>\n
Display<\/td>\n1.8-inch color screen<\/td>\n<\/tr>\n
Size<\/td>\n200X120X40MM<\/td>\n<\/tr>\n
Connectivity<\/td>\nBlueooth, USB2.0(TYPE B)<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

KEYDIY KD-X4 Key Programmer Frequently Asked Questions:<\/strong><\/p>\n

What is the KEYDIY KD-X4, and what does it do?<\/strong>
\nThe KEYDIY KD-X4 is an advanced locksmith tool designed for automotive key programming and repair tasks. It combines functionalities such as key recognition, generation, copying, programming, and matching into one device. It supports over 5600 remote control program generations, frequency detection, chip recognition, and immobilizer programming for various car brands.<\/p>\n

Which car models and brands does the KEYDIY KD-X4 support?<\/strong>
\nThe KD-X4 supports over 51+ car brands, including Toyota, Lexus, Ford, Volkswagen, Audi, and more. It also provides specialized functions like Toyota Rollin-Code Bypass and MQB key programming for 2019+ Toyota models.<\/p>\n

Can the KD-X4 unlock and reprogram used car keys?<\/strong>
\nYes, the KD-X4 supports unlocking used keys, including Toyota 8A, 4A, and other transponder types, allowing them to be reprogrammed for another vehicle.<\/p>\n

Does the KD-X4 support key programming for heavy-duty trucks?<\/strong>
\nYes, the KD-X4 includes 24V Chinese heavy-duty truck key programming, making it compatible with commercial vehicles.<\/p>\n

What languages does the KEYDIY KD-X4 support?<\/strong>
\nThe KD-X4 offers multilingual support in 19 languages, including Arabic, Korean, German, Spanish, English, and Chinese, making it accessible to users worldwide.<\/p>\n

What is included in the KD-X4 package?<\/strong>
\nThe KEYDIY KD-X4 box contains the 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 an external acquisition antenna.<\/p>\n","protected":false},"excerpt":{"rendered":"

KEYDIY KDX4 KD-X4 Upgrade of KDX2 KDMAX Remote Generateor Copy Chip Reader Program Multi-functional Anti-theft Matching Tool Product sell points:<\/p>\n","protected":false},"author":1,"featured_media":23215,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":[],"categories":[11],"tags":[3850],"views":1030,"_links":{"self":[{"href":"https:\/\/www.obd2tool.com\/blog\/wp-json\/wp\/v2\/posts\/23214"}],"collection":[{"href":"https:\/\/www.obd2tool.com\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.obd2tool.com\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.obd2tool.com\/blog\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.obd2tool.com\/blog\/wp-json\/wp\/v2\/comments?post=23214"}],"version-history":[{"count":1,"href":"https:\/\/www.obd2tool.com\/blog\/wp-json\/wp\/v2\/posts\/23214\/revisions"}],"predecessor-version":[{"id":23216,"href":"https:\/\/www.obd2tool.com\/blog\/wp-json\/wp\/v2\/posts\/23214\/revisions\/23216"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.obd2tool.com\/blog\/wp-json\/wp\/v2\/media\/23215"}],"wp:attachment":[{"href":"https:\/\/www.obd2tool.com\/blog\/wp-json\/wp\/v2\/media?parent=23214"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.obd2tool.com\/blog\/wp-json\/wp\/v2\/categories?post=23214"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.obd2tool.com\/blog\/wp-json\/wp\/v2\/tags?post=23214"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}