Professional-grade smart key circuit board engineered for Toyota and Lexus classic models (2006-2015)!
The Lonsdor LT20-01 01J0 is a versatile core PCB for automotive locksmiths, featuring seamless 4D↔8A chip conversion, multi-frequency adjustability (315/433MHz), and full compatibility with Lonsdor K518ISE/K518S/K518 Pro/KH100+ programmers.
Why Choose Lonsdor LT20-01 01J0 Smart Key PCB?
✅ Wide Coverage for Toyota Lexus 2006-2015 Classic Models
Precision-calibrated for the most popular Toyota and Lexus late-2000s to mid-2010s models with high market retention, including:
- Toyota: Camry (06-11), Land Cruiser (08-15), Prado (06-13), Highlander (08-14), Crown (09-14), Prius (10-15), Reiz (10-11)
-
Lexus: IS300/IS300C, RX350/RX270/RX450H, GX460, CT200/CT200H, ES240/ES250/ES350, GS300/GS430
Ideal for locksmiths servicing classic Toyota/Lexus vehicles—no need to stock multiple PCBs for different models.
✅ 4D↔8A Dual Chip Conversion & Multi-Board Compatibility
The LT20-01’s standout feature! Natively supports 4D chip with one-click conversion to 8A chip (and vice versa) via Lonsdor programmers, covering two mainstream immobilizer systems for Toyota/Lexus in one PCB. It’s also compatible with multiple factory board numbers: 3370, 0410, A433/F433, 5290—perfectly matching different production batches of vehicles and replacing old FT series 3370 boards with enhanced functionality.
✅ Board numbers
8A : 0010, 0040, 0182, 0410, 2110, 3330, 3950, 0011, 0101, 0350, 0440, 2150, 3410, F43口, 0020, 0120,0351, 2020, 2230, 3450, 6100, 0250, 3041, P7000
4D : 0031, 0140, F433, S0751, 3370, S5290, 5380, 6221, S7210, 7990, 0091, 0310, 0500, 0780, 4610, 5300,5691, 6230, 7930, 0111, A433, 0751, S0780, 5290, 5360, S5801, 6601, 7980
✅ Multi-Frequency Adjustable (315/433MHz) & Dual Modulation
Supports a full range of vehicle remote frequencies (312.00/314.35/315.12/433.92MHz and more) with ASK/FSK dual modulation mode—easily modify the frequency via Lonsdor programmers to fit regional signal specifications and avoid interference. Whether it’s 315MHz for American markets or 433MHz for European/Asian markets, this PCB adapts seamlessly for global locksmith use.
✅ 10 Versatile Programmable Functions (Tailored for Programmers)
Unlock complete control over key customization with 10 professional functions, with minor exclusive features for Lonsdor’s K518 and KH100+ series to suit on-site or shop-based service:
- Get PCB version/hardware information
- Read/convert original button functions (Lock/Unlock/Trunk/Panic)
- Unlock PCB for initial programming
- Upgrade firmware for new model support
- Modify remote frequency/modulation mode
- Convert smart key chip type (4D ↔ 8A)
- Modify remote count value for vehicle sync
- Copy 8A smart key data (KH100+ exclusive)
- Generate emergency key (K518 series exclusive)
- Replace old FT series board data (seamless upgrade)
✅ Seamless Compatibility with Lonsdor Flagship Programmers
Designed for plug-and-play use with Lonsdor’s industry-leading key programming tools—the gold standard for Toyota/Lexus key work:
- Tablet Programmers: K518ISE / K518S / K518 Pro (comprehensive functions, ideal for shop use)
-
Handheld Programmers: KH100+ / KH100 (portable, perfect for on-site mobile service)
No extra software, no activation fees—simply access the dedicated LT Smart Key menu on the programmer, follow on-screen prompts, and finish programming in minutes. Fully compatible with original Toyota/Lexus key shells for easy assembly.
✅ Genuine Lonsdor Quality & Stable Performance
Crafted with Lonsdor’s industrial-grade components, this PCB delivers consistent, long-range signal strength and anti-interference performance—far superior to generic aftermarket PCBs. Weighing just 100g (0.22LB), it’s compact and lightweight, fitting all standard Toyota/Lexus smart key housings with no modification needed. Backed by Lonsdor’s professional R&D, it ensures zero pairing errors and long-term reliability for professional use.
Lonsdor LT20-01 01J0 Core Product Specifications
| Feature | Detailed Information |
|---|---|
| Brand | Genuine Lonsdor |
| SKU | SA2141-01 |
| Model | LT20-01 01J0 |
| Fitment | Toyota/Lexus 2006-2015 (see model list) |
| Chip Support | 4D + 8A (mutual one-click conversion) |
| Compatible Board Numbers | 3370, 0410, A433/F433, 5290 |
| Frequency | 312.00/314.35/315.12/433.92MHz (adjustable) |
| Modulation | ASK / FSK (switchable) |
| Buttons | 4-Button Layout (Lock/Unlock/Trunk/Panic) |
| Weight | 100g (0.22LB) |
| Compatible Programmers | K518ISE/K518S/K518 Pro/KH100+/KH100 |
| Replacement For | Lonsdor FT series 3370 board (with more functions) |
| Condition | Brand New, In Stock |
What’s Included in Your Order
✅ 1× Genuine Lonsdor LT20-01 01J0 Smart Key PCB Board
Note: Key shell, key blade, CR2032 battery, and programming tools are sold separately—compatible with all standard Toyota/Lexus smart key housings.
Lonsdor LT20-01 01J0 Simple Programming & Assembly Steps
Step 1: Program the PCB (with Lonsdor K518/KH100+)
- Power on your Lonsdor programmer and navigate to Special Functions > LT Smart Key (K518) / Special Functions > LT Smart Key (KH100+).
- Select Get Version Info to confirm the PCB’s parameters, then choose Convert Smart Key Type to switch 4D/8A chip (internet not required).
- Modify the frequency/modulation to match the target vehicle, then follow on-screen prompts to write the vehicle’s IMMO data.
Step 2: Assemble the Key
- Insert the programmed LT20-01 PCB into a standard Toyota/Lexus smart key shell.
- Install a CR2032 battery and attach a compatible key blade (sold separately).
- Test the remote signal and keyless entry function—your key is ready for use!
Key Function Differences: Lonsdor K518 Series vs. KH100+
Both programmers work flawlessly with the LT20-01, with exclusive features to optimize your service workflow:
| Function | Lonsdor K518ISE/K518S/K518 Pro | Lonsdor KH100+/KH100 |
|---|---|---|
| Get Version Info / Read/Convert Buttons | ✅ | ✅ |
| 4D/8A Chip Conversion / Frequency Modification | ✅ | ✅ |
| Unlock PCB / Upgrade Firmware / Modify Remote Count | ✅ | ✅ |
| Copy 8A Smart Key Data | ❌ | ✅ |
| Generate Emergency Key | ✅ | ❌ |
Who This Lonsdor LT20-01 01J0 PCB Is For
This Lonsdor LT20-01 01J0 is a must-have professional tool for automotive locksmiths, mobile key service technicians, and auto repair shops that service classic Toyota/Lexus models (2006-2015). It’s the perfect solution for:
- Replacing lost/damaged Toyota/Lexus smart key PCBs
- Creating spare keys for high-retention Toyota/Lexus classic models
- Streamlining inventory (one PCB covers multiple chips/frequencies/models)
- Upgrading from old Lonsdor FT series boards to enhanced LT20 functionality
- On-site mobile key service (compact, lightweight, easy to assemble)
Important Notes
- PCB Only: No key shell, blade, or battery included—compatible with all standard Toyota/Lexus smart key housings.
- Professional Programming Required: Must be used with Lonsdor K518/KH100+ series programmers (not included) — cannot be used as a standalone part.
- Exact Fit for 2006-2015 Models: No compatibility with Toyota/Lexus models outside this year range or non-Toyota/Lexus vehicles.
- Seamless FT Series Replacement: Directly replaces Lonsdor FT series 3370 boards with more functions and better stability—no extra setup needed.
