Description
Honda Odyssey Smart Key 2018–2020
✔ Dual Power Doors ✔ Power Hatch ✔ Remote Start
High-quality aftermarket 7-button proximity smart key engineered for 2018–2020 Honda Odyssey models. Built to meet factory specifications, this key operates on 434 MHz and matches FCC ID KR5V2X.
Includes full support for Dual Power Sliding Doors, Power Hatch, and Remote Start functions. Comes complete with a fresh CR2032 battery and an uncut HO01 emergency key blade. Professional programming is required to pair the key with your vehicle.
Technical Specifications
| Product Type | Proximity Smart Key |
| Condition | Aftermarket |
| FCC ID | KR5V2X |
| IC Number | 7812D-V2X |
| Frequency | 434 MHz |
| Buttons | 7 Button (Lock, Unlock, Remote Start, Left Door, Right Door, Hatch, Panic) |
| Part Numbers | 72147-THR-A21, 72147-THR-A31 |
| Battery Type | CR2032 Lithium 3V (Included) |
| Emergency Key | HO01 Emergency Key (Included) |
Vehicle Compatibility
- Honda Odyssey: 2018, 2019, 2020
Frequently Asked Questions
How do I verify this smart key fits my Honda Odyssey?
Compare your original key's FCC ID (KR5V2X), part numbers (72147-THR-A21 or 72147-THR-A31), frequency (434 MHz), and 7-button layout prior to ordering.
Can I program this Honda Odyssey key fob myself?
No. Honda proximity smart keys require specialized OBD2 equipment for programming. You must take this unit to a professional automotive locksmith or dealer.
What is included in this package?
This listing includes the complete aftermarket key fob, internal circuit board, a new CR2032 battery, and an uncut HO01 emergency key blade.
Full Compatibility & Product Details
This aftermarket 7-button smart key is designed for 2018–2020 Honda Odyssey minivans operating on 434 MHz. Provides reliable keyless entry, power sliding doors, hatch, and remote start performance.
Always verify matching FCC ID KR5V2X and part numbers 72147-THR-A21 / 72147-THR-A31 before ordering.
⚠️ Professional Programming Required
This smart key must be programmed and the emergency blade cut by a professional automotive locksmith or dealership before use.

