Lonsdor LT20-05 PCB – 8A + 4D Chip – Toyota – Adjustable Frequency
FitsToyota· 2010–2019
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On backorder — leave your email and we'll confirm the moment the inbound shipment lands.
Makes
Models
All modelsYears
2010–2019Confirm the exact fit by FCC ID or part number before ordering.
Ships unprogrammed. Like any replacement key, it has to be programmed to the vehicle before it will operate. Programming method, tooling and PIN access vary by vehicle, year and platform, so we don't publish per-vehicle procedures or tool compatibility here — match the part on the codes below and use your usual process for that platform. Not sure? Email the trade desk with the VIN or year/make/model before you order.
If it won't program on the listed vehicle, we refund it and pay the return freight. Two conditions only: the vehicle matches this listing, and the part comes back in resaleable condition — a blade cut only to turn the ignition for the programming attempt doesn't void it. Reply with the vehicle, the tool you used and the error, and we send the return label. Read the guarantee.
Lonsdor LT20-05 Smart Key PCB Board – 6-Button Layout | 8A + 4D Chip | For 2010–2019 Toyota Sienna The Lonsdor LT20-05 is a dedicated smart key PCB designed for the 2010–2019 Toyota Sienna. Featuring a 6-button layout and dual chip architecture (4D and 8A), this board is optimized for key professionals building or restoring remotes for Toyota's North American minivan platform. Supports adjustable frequency and full integration with K518 Pro, KH100+, and KW100S tools.
Specifications
- Brand
- Lonsdor
- Type
- Universal Keys
- FCC ID
- Part number
- Chip / transponder
- 8A
- Buttons
- 6
- SKU
Key Specifications: Chip Type: Dual Chip – 4D + 8A Board Numbers: 4D: 5691 8A: 7000 (unlocked variants) Frequency Supported: 314.35 MHz Shell Compatibility: FCC ID: HYQ14ADR (6-button smart key shell) Button Layout: Lock, Unlock, Left Door, Right Door, Power Tailgate, Panic
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 universal keys fits
- Check the FCC ID on the customer's existing universal keys — it is printed on the case, often under the battery cover — against HYQ14ADR.
- Match the part number 89904-08010.
- The transponder chip is 8A.
- Count the buttons: this universal keys has 6.
Look it up by code or vehicle
- FCC ID HYQ14ADR — every part we list under this code, with fitment
- Toyota keys & remotes
Guides for this part
- Toyota HYQ14 Smart Keys: FBA, FBX, ACX, AAB, ADR — Boards Explained
- Toyota Key Fob Replacement: A Locksmith's Sourcing & Programming Guide
- How to Change the Battery in a Toyota Key Fob
- Where to Find the FCC ID on a Key Fob (and Why It Guarantees Fit)
- Transponder Chip IDs Explained: 4C, 4D, 8A, ID46, ID47, ID49, ID4A
- Key Fob Won't Program: A Locksmith's Checklist Before Blaming the 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 hassle-free trade returns
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