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Lonsdor LT20-03 Smart Key PCB Board | 4D Chip | For Toyota & Subaru 2006–2015 Models
The LT20-03 is a 4-button smart key circuit board from Lonsdor’s LT20 series, compatible with select Toyota and Subaru models from 2006–2015. It uses a stable 4D transponder chip and is compatible with the Lonsdor K518 Pro, KH100+, and KW100S.
Perfect for programming or replacing smart keys with FCC ID HYQ14ACX / HYQ14AAB / HYQ14AFK / HYQ14AHK when used with matching 4-button shells (sold separately).
Technical Details:
- Board Type: LT20-03
- Chip Type: 4D
- Buttons Supported: Lock, Unlock, Trunk, Panic
- Supported Shell FCC IDs: HYQ14AAB / HYQ14ACX / HYQ14AHK / HYQ14AFK
-
Compatible Devices:
- K518 Pro
- KH100+
- KW100S
-
Shell and emergency key blade are not included.
Vehicle Compatibility:
-
Toyota (Smart Key Models):
- Toyota Camry (2007–2011)
- Toyota Prius (2006–2015)
- Toyota RAV4 (2006–2012)
- Toyota Avalon (2007–2012)
- Toyota Highlander (2008–2013)
- Toyota Venza (2009–2014)
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Subaru (Toyota-based Platform Models):
- Subaru BRZ (2012–2015)
- Subaru Tribeca (2006–2014)
- Others sharing Toyota smart key architecture
- Confirm shell fitment and button layout prior to installation. Compatible with Lonsdor universal Subaru/Toyota 4-button smart key shells.
Smart Key Functions (via Lonsdor Tools):
- Read & convert key button functions
- Unlock or generate new key
- Modify key data
- Read the firmware version
- Supports Toyota 4D chip vehicles directly
- Menu path:
- K518 Pro: Home → Special Functions → Key Setting → LT Smart Key
- KH100+: Home → Special Functions → LT Smart Key
- KW100S: Home → LT Smart Key Menu
Package Includes:
- 1x Lonsdor LT20-03 4D Smart Key PCB Board
- Programming support via KH100+, KW100S, K518 Pro
- [Shell sold separately]
