Description
Toyota Smart Key Fob
(6 Buttons) 2021–2026Buy a high-quality aftermarket 6-button proximity smart key fob for select 2021–2026 Toyota Sienna vehicles. Operates at 315 MHz and compatible with FCC ID HYQ14FBX, IC 1551A-14FBX, and PN 8990H-08020 / 8990H-08021. Includes a new CR2450 battery and LXP90 emergency key.
Technical Specifications
| Key Type | Proximity Smart Key |
| Condition | Aftermarket |
| FCC ID | HYQ14FBX |
| IC Number | 1551A-14FBX |
| Frequency | 315 MHz |
| Buttons | 6 Buttons |
| Part Number | 8990H-08020 / 8990H-08021 |
| Battery Size | CR2450 (Included) |
| Emergency Key | LXP90 |
Vehicle Compatibility
- Toyota Sienna: 2021 – 2026
Common Questions
How do I know if this is the correct key for my vehicle?
To confirm compatibility, match your original remote’s FCC ID HYQ14FBX, part number 8990H-08020 / 8990H-08021, 6-button layout, and 315 MHz frequency with this listing. Your vehicle should also match the compatibility information shown above before purchase.
Can I program this key myself?
In most cases, no. This type of smart key fob typically requires professional programming using locksmith or dealer-level equipment.
What type of key is this?
This is a high-quality aftermarket replacement proximity smart key fob designed to function just like the original remote.
Full Compatibility & Product Details
This Toyota smart key fob is designed for select 2021–2026 Toyota Sienna models and supports keyless entry, push-to-start, power sliding doors, remote start, and security panic features depending on vehicle configuration.
It is important to verify the FCC ID HYQ14FBX, part number 8990H-08020 / 8990H-08021, frequency, and battery size before purchase to ensure proper fit and function.
This key is commonly used as a replacement for lost or damaged remotes and may also be purchased as a spare for everyday use. Professional programming by a certified locksmith is required.