Description
Toyota Smart Key Fob
2004–2009Aftermarket 3-button smart key fob for select 2004–2009 Toyota Prius (Gen 2) vehicles. Compatible with FCC ID MOZB31EG operating at 315 MHz. Includes CR2032 battery and TR47 emergency key.
Technical Specifications
| Product Type | Proximity Smart Key |
| Condition | Aftermarket |
| FCC ID | MOZB31EG |
| IC Number | 2584A-B31EG |
| Frequency | 315 MHz |
| Chip Type | 4D-70E (B9 Chip) |
| Buttons | 3 Button (Lock, Unlock, Panic) |
| Part Number | 89994-47061 |
| Battery | CR2032 (Included) |
| Emergency Key | TR47 (Included / Uncut) |
Vehicle Compatibility
- Toyota Prius (Gen 2 - Smart Entry Models Only): 2004–2009
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, part number, button count, and 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. The included TR47 emergency key blade must be cut by a professional before use.
What is included with this key?
This listing includes the main smart key fob, internal electronics, and battery. The TR47 emergency mechanical key blade is also included inside the fob.
Full Compatibility & Product Details
This Toyota smart key fob is designed for select 2004–2009 Toyota Prius (Gen 2) vehicles with Smart Entry system. It provides full integration for lock, unlock, and panic commands depending on the specific vehicle trim configuration.
It is important to verify the FCC ID, part number, frequency, battery size, and emergency key type 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.