Description
Grand Cherokee & Wagoneer 2021-2023
Aftermarket 4-button smart proximity key fob for select 2021–2023 Jeep Grand Cherokee, Grand Wagoneer vehicles. Compatible with FCC ID M3NWXF0B1 operating at 433 MHz. Includes CR2450 battery and Y172 emergency key.
Technical Specifications
| Product & Key Type | Proximity Smart Key |
| Condition | Aftermarket |
| FCC ID | M3NWXF0B1 |
| IC Number | 7812A-WXF0B1 |
| Part Number (PN) | 68519738AA |
| Frequency | 433 MHz |
| Buttons | 4 Button (Lock, Unlock, Remote Start, Panic) |
| Battery Type & Size | CR2450 (Included) |
| Emergency Key | High Security Laser Cut (Y172 Profile) |
Vehicle Compatibility
This premium proximity smart key serves as an ideal replacement key, spare remote control, or brand-new key fob ready for custom programming. It is engineered for exact fitment with the following vehicle models:
- Jeep Grand Cherokee: 2021, 2022, 2023
- Jeep Grand Wagoneer: 2021, 2022, 2023
Jeep Grand Cherokee key replacement aftermarket, Jeep Grand Wagoneer remote control fob entry, duplicate M3NWXF0B1 smart keyless, 4-button Jeep transmitter entry setup, or 433 MHz transponder chip ignition blade.
Common Questions
How do I know this is the right key for my Jeep?
The newer 2021+ Jeep models transitioned to a high-security system. Check your current remote for FCC ID: M3NWXF0B1. This 4-button version is for models without the power liftgate button on the fob.
Why can't I program this key myself?
These vehicles are equipped with a "Secure Gateway Module" (SGW). Only a professional automotive locksmith or a Jeep dealership with authorized diagnostic software can bypass this security layer to program a new smart key.
What happens if the remote battery dies?
The fob contains a hidden emergency blade. You can use it to manually unlock the door. Once inside, you can typically start the vehicle by pressing the push-to-start button directly with the tip of the key fob.
Full Compatibility & Product Info
Looking for a 2022 Jeep Grand Cherokee key replacement or a 2023 Jeep Wagoneer smart fob? This 4-button proximity transmitter (FCC ID: M3NWXF0B1) is the exact replacement for part number 68519738AA. Engineered for modern high-security Jeep systems, it features Remote Start and keyless ignition. Keywords: Jeep Grand Cherokee smart key, Jeep Wagoneer proximity fob, M3NWXF0B1 programming, 68519738AA key, Jeep remote start replacement, HITAG AES 4A chip, 433MHz Jeep remote, automotive locksmith key supply, Grand Cherokee L key fob, CR2450 battery replacement Jeep.
⚠️ Programming Requirement
This proximity smart key is strictly for Push-to-Start models. Professional registration to the vehicle's security system is mandatory. The emergency blade must be cut by a professional to match your door lock.