
NEW! KEYDIY – KD-X4 Key Programmer
Trade pricing for locksmiths & shops
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Low stock — 5 or fewer left. Order soon.
Volume pricing on this SKU
1–4 units
Wholesale
5–9 units
Save 5%
10–24 units
Save 10%
25+ units
Save 15%
Order by 4 PM ET — ships today
Ships from Ontario — Shipped to all 50 states from our Ontario facility — one freight price, quoted at checkout
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KD-X4 is a locksmith professional device that integrates recognition, generation, copying, programming, and matching. 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. Exclusive priority release of some industry-leading features. 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. It has become a professional device with simple operation, stable performance, and wide coverage of car models.
Specifications
- Brand
- KEYDIY
- Type
- Tool / Accessory
- Frequency
- 315 MHz
- SKU
Package Contents: KD-X4 device OBD main cable USB cable Toyota adapter cable Programmer adapter board Programmer wiring cable Remote control burning cable Key unlocking cable External acquisition antenna Main Performance 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 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. 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 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 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) Key Induction Coil and IMMO Chip Placement Hole: Used for identifying and copying car key IMMO chips. Can also generate KD remotes wirelessly. Frequency Detection Area: Place the key in this area and press the remote control button to detect the frequency. 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. Display Screen: Displays device information, key information, and more. USB Interface: Used for charging or connecting to mobile phones or PC terminals via a wired connection. Programmer Interface: Used to read data from Volkswagen MQB dashboards, Audi dashboards, BCM data, and various octagonal chip EEPROMs. Wired Programming Interface: Used for KD wired remote generation, unlocking original keys, detecting remote battery voltage, and leakage detection. Collecting Antenna: Collects car ignition data, tests ignition coils, performs chip simulation, and other functions. External Acquisition Antenna Interface: Used for collecting car ignition data, ignition coil detection, chip simulation, and similar functions. Toyota Adapter Cable Interface: Used for Toyota/Lexus smart key all-key-lost scenarios. OBD Main Cable Interface: Connects the external OBD II cable to the car. Works with the Mobile KD App to enable programming functions. 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.
Best-Price Guarantee
Found it cheaper? We'll match it.
See the same in-stock part advertised for less by another Canadian or U.S. trade supplier? Send us the listing before you order and we'll match the price — we'd rather earn the reorder than lose it over a dollar.
- Same item, in stock, from a verified trade supplier
- Current advertised price — send the link or a screenshot
- Excludes clearance, liquidation, auction and obvious pricing errors
How to verify this tool / accessory fits
- Confirm the frequency is 315 MHz — remotes on a different frequency are not interchangeable even when the shell looks identical.
Guides for this part

If it doesn't program, it's on us
Every listing carries its FCC ID, part number and cross-references, so you can match the part in your hand before you order — and the trade desk will confirm it with you if you're not sure. If a key or remote you bought for the vehicle we listed it against still won't program, tell us within 30 days of delivery: we refund it and we pay the return freight. Two conditions, both fair — the vehicle matches the listing, and the part comes back in resaleable condition.
Confirm the exact part by FCC ID / part number / cross-reference
Won't program on the listed vehicle? We refund it and pay the return freight — 30 days from delivery
30-day trade returns on unused parts (20% restocking fee)
Fits the same vehicles
Autel MaxiIM IM508S Key Programming and Diagnostic Tools with One Year Update
Autel MaxiIM KM100 Universal Key Generator Kit – All-in-One Key Programming Solution
Retail $647.95— trade price is lower
Members-only pricing


