2022 Jeep Grand Cherokee Key Fob Programming Guide

Quick reference

Step-by-step on-board programming

The 2022 Jeep Grand Cherokee uses a sophisticated encrypted key fob system that does not support DIY on-board programming. This means you cannot program a new key fob yourself by following a series of in-car steps. The vehicle's security system requires specialized diagnostic equipment to add or replace key fobs.

To program a new key fob for your 2022 Jeep Grand Cherokee, you will need to visit a Jeep dealership or a qualified automotive locksmith. They have the necessary tools and software to interface with your vehicle's computer and program the new fob to communicate with your vehicle's immobilizer system.

Battery replacement

1. Locate the small release button or tab on the side of the key fob. Press it to release the emergency key blade.
2. Remove the emergency key blade. You will see a slot or small indentation where the key blade was.
3. Gently pry apart the two halves of the key fob using a small flat-head screwdriver or a pry tool in the slot. Be careful not to damage the internal components.
4. Locate the CR2450 coin cell battery. Note its orientation (positive side up).
5. Carefully remove the old battery.
6. Insert the new CR2450 battery with the positive (+) side facing up.
7. Align the two halves of the key fob and snap them back together until they are secure.
8. Reinsert the emergency key blade.

Where to buy a replacement fob

• Jeep Dealership:

  • Pros: Guaranteed genuine OEM part, often comes with a warranty, and includes programming services.
  • Cons: Can be the most expensive option. Programming costs are typically rolled into the price.
  • Ballpark Price: Expect to pay anywhere from $300 to $500 or more, including the fob and programming.

• Automotive Locksmith:

  • Pros: Often more affordable than a dealership, can offer mobile services (coming to you), and can program both OEM and high-quality aftermarket fobs.
  • Cons: Ensure the locksmith is reputable and specializes in automotive keys to avoid issues.
  • Ballpark Price: Generally $200-$400 for the fob and programming, depending on whether it's an OEM or aftermarket part.

• Online Retailers (e.g., Amazon, eBay):

  • Pros: Can find fobs (OEM or aftermarket) at a significantly lower price than a dealer or locksmith for just the part.
  • Cons: You still need to pay for programming services separately. There's a risk of purchasing a non-compatible or poor-quality aftermarket fob that a locksmith or dealer may refuse to program. Verify the FCC ID and part number carefully.
  • Ballpark Price: Fobs alone can range from $50-$200, but remember to factor in programming costs.

If on-board programming isn't supported

As mentioned, the 2022 Jeep Grand Cherokee does not support DIY programming. This is due to its advanced immobilizer system, which uses a secure rolling code technology to prevent theft. Each key fob contains a unique transponder chip that must be securely paired, or "married," to the vehicle's computer.

When you get a new fob programmed, the technician will use a specialized scan tool to communicate with the vehicle's immobilizer module. This process typically involves erasing all previously programmed keys (for security reasons) and then programming all existing and new fobs to the vehicle simultaneously. This ensures that only authorized fobs can start and operate your Grand Cherokee.

Expect to pay for both the replacement key fob itself and the labor involved in the programming process. It's advisable to get at least two working key fobs, as programming additional fobs later can sometimes be slightly more expensive if it requires a separate service visit.

Find a mobile locksmith or shop on Repairius.