Description
Toyota 4-Button Smart Key Fob
2023–2026Buy a brand new genuine OEM 4-button proximity smart key fob for select 2023–2026 Toyota bZ4X vehicles. Operates at 315 MHz and compatible with FCC ID HYQ14FBX, IC 1551A-14FBX, and PN 8990H-42510 / 8990H-42511. Includes a new CR2450 battery and LXP90 emergency key.
Technical Specifications
| Key Type | Proximity Smart Key |
| Condition | OEM New |
| FCC ID | HYQ14FBX |
| IC Number | 1551A-14FBX |
| Frequency | 315 MHz |
| Buttons | 4 Button |
| Part Number | 8990H-42510 / 8990H-42511 |
| Battery | Included |
| Battery Size | CR2450 |
| Emergency Key | LXP90 |
Vehicle Compatibility
- Toyota bZ4X: 2023, 2024, 2025, 2026
Common Questions
How do I know if this is the correct key?
Match your original remote's FCC ID HYQ14FBX, part number 8990H-42510 / 8990H-42511, button count, and 315 MHz frequency with this listing.
Can I program this key myself?
In most cases, no. Professional programming using locksmith or dealer-level equipment is required.
What is included with this key?
This listing includes the main smart key fob, internal electronics, battery, and LXP90 emergency key blade.
Full Compatibility & Product Details
Designed for 2023–2026 Toyota bZ4X vehicles. Supports lock, unlock, panic, and trunk/remote functions depending on vehicle configuration.
Verify FCC ID HYQ14FBX, part number 8990H-42510 / 8990H-42511, frequency, battery size, and emergency key type before purchase.