Description
Lexus Smart Key Fob Replacement
2005–2008Product Summary
Aftermarket 4-button smart key fob for select 2005–2008 Lexus ES, IS, GS, and LS series vehicles. Compatible with FCC ID HYQ14AAB and circuit board number 271451-0140 operating at 315 MHz. Includes CR1632 battery and LXP90 emergency key.
Technical Specifications
| Product Type | Proximity Smart Key |
| Condition | Aftermarket |
| FCC ID | HYQ14AAB |
| PCB Board Number | 271451-0140 (0140 Board) |
| IC Number | 1551A-14AAB |
| Frequency | 315 MHz |
| Buttons | 4 Button (Lock, Unlock, Trunk, Panic) |
| Part Number | 89904-30270 |
| Battery Size | CR1632 (Included) |
| Emergency Key | LXP90 / LX40 |
Vehicle Compatibility
- Lexus ES350: 2007–2008
- Lexus GS300: 2005–2006
- Lexus GS350: 2007–2008
- Lexus GS430: 2006–2007
- Lexus GS450h: 2007
- Lexus GS460: 2008
- Lexus IS250 / IS350: 2005–2008
- Lexus LS460 / LS600h: 2007–2008
Frequently Asked Questions
How do I know if this is the correct key for my vehicle?
To confirm compatibility, match your original remote’s FCC ID (HYQ14AAB), PCB board number (271451-0140), part number, and frequency with this listing.
Can I program this key myself?
In most cases, no. This smart key fob requires professional programming using locksmith or dealer-level equipment. The emergency key blade must also be cut by a professional locksmith.
What is included with this key?
This listing includes the main smart key fob, internal electronics, new battery, and an uncut LXP90 emergency key blade.
Full Compatibility & Product Details
This Lexus smart key fob is designed for select 2005–2008 Lexus models equipped with proximity keyless entry systems.
It is critical to verify that your original key's circuit board displays 271451-0140 on the board to ensure 100% compatibility before purchasing.
Professional programming and key cutting are required for this product. Please confirm all product details and board number compatibility before purchase.