Lonsdor LT20-06-6 PCB – 8A + 4D Chip – Toyota – Adjustable Frequency

Lonsdor LT20-06 Smart Key PCB Board – 6-Button Layout | 8A + 4D Dual Chip | Adjustable Frequency | Toyota Alphard, Vellfire & Previa

The Lonsdor LT20-06 is a 6-button universal smart key PCB engineered for Toyota’s premium MPV lineup. Built on a switchable-frequency platform with support for both 8A and 4D transponder types, it lets locksmiths and auto-key professionals generate, refresh, and re-shell smart keys for the Alphard, Vellfire, and Previa from a single board.

Fully compatible with the Lonsdor K518 Pro, KH100+, and KW100S, the LT20-06 supports chip-type conversion, frequency tuning, and button-function editing — making it an ideal choice for aftermarket key builds and OEM shell replacements.

🔧 Key Specifications:

• Chip Type: Dual chip – 8A + 4D (switchable)
• Board Numbers:
  • 8A: 0120
  • 4D: 5380
• Button Configuration: 6-Button (Lock, Unlock, Left Power Sliding Door, Right Power Sliding Door, Power Back Door, Panic)
• Frequency Support:
  • 314.35 / 312.09
  • 312.50 / 314.00
  • 433.58 / 434.42
  • 314.35 / 315.10
  • 433.92 MHz (and more)
• Shell Compatibility: OEM-layout smart key shells for Alphard, Vellfire & Previa (shell sold separately)
• Battery: CR2032 (not included)

🚘 Vehicle Compatibility:

• 🔷 8A Chip Vehicles:
  • 2016 – 2021 Toyota Alphard
  • 2015 – 2021 Toyota Vellfire
  • 2016 – 2022 Toyota Previa
• 🔷 4D Chip Vehicles:
  • 2012 – 2015 Toyota Alphard
  • 2012 – 2014 Toyota Previa
• ⚠️ Confirm your original key’s button count and board/FCC layout before ordering. Not currently compatible with Subaru, Hyundai, or KIA.

Smart Key Features (via Lonsdor Tools):

• Read key version & button layout
• Convert between 8A ↔ 4D chip
• Modify operating frequency
• Unlock and upgrade key
• Generate emergency key (K518 Pro only)
• Copy smart key (8A only, via KH100+)
• Remote count value modification
• Button reassignment & function tuning

Programming Compatibility:

• K518 Pro: Home → Special Functions → Key Setting → LT Smart Key
• KH100+: Generate or copy 8A smart keys on the go
• KW100S: Toyota / Lexus smart-key generation

What’s Included:

• 1 × Lonsdor LT20-06 6-Button Smart Key PCB Board
• Shell, emergency key blade, and CR2032 battery are not included