2020 Jeep Cherokee Key Fob Programming Guide

Quick reference

Step-by-step on-board programming

The 2020 Jeep Cherokee does not support DIY on-board key fob programming. This means you cannot program a new key fob yourself using a sequence of actions like turning the ignition on and off repeatedly. Modern Jeep vehicles like the 2020 Cherokee require specialized diagnostic equipment to program new key fobs. This equipment interfaces with the vehicle's computer system (BCM - Body Control Module) to register the new fob's unique identification code.

Therefore, a new key fob for your 2020 Jeep Cherokee must be programmed by a certified automotive locksmith or a Jeep dealership.

Battery replacement

To replace the battery in your 2020 Jeep Cherokee key fob:

1. Locate the small release button or tab on the side of the key fob. Press or slide it to release the emergency key blade. Pull out the emergency key blade.
2. With the emergency key removed, you will see a small slot or indentation within the key fob case. Carefully insert a small flat-head screwdriver or a coin into this slot and gently pry the two halves of the fob apart.
3. Once opened, you will see the circuit board and the CR2450 coin cell battery. Note the orientation of the battery (which side is facing up).
4. Gently pry out the old battery using a small screwdriver or your fingernail.
5. Insert the new CR2450 battery with the positive (+) side facing the same direction as the old one.
6. Carefully align the two halves of the key fob case and press them firmly together until they click securely.
7. Reinsert the emergency key blade.

Where to buy a replacement fob

When considering a replacement key fob for your 2020 Jeep Cherokee, you have a few options, each with its own pros and cons:

• Jeep Dealership:

  • Pros: Guaranteed genuine OEM part, trained technicians, comprehensive warranty.
  • Cons: Typically the most expensive option. Expect to pay anywhere from $300 to $500 or more for the fob and programming. Programming fees alone can be $100-$150. They will also charge for cutting a new emergency key.

• Automotive Locksmith:

  • Pros: Often more affordable than a dealership, can provide both OEM and quality aftermarket fobs, frequently offer mobile services (coming to your location), knowledgeable about various vehicle systems. They use the same diagnostic tools as the dealership for programming.
  • Cons: Prices can vary, ensure the locksmith specializes in automotive keys and programming. Ballpark cost for an aftermarket fob and programming is usually $200-$350, while an OEM fob might be slightly more.

• Amazon/Online Retailers:

  • Pros: Potentially the cheapest option to purchase the physical fob itself.
  • Cons: You still need a locksmith or dealer to program it. Many fobs sold online are not genuine and may not function correctly or reliably. If you buy a generic fob that cannot be programmed, you've wasted money. An online-purchased fob will still incur programming costs from a locksmith or dealer, typically $100-$150 just for programming, plus key cutting if required.

If on-board programming isn't supported

As established, the 2020 Jeep Cherokee requires professional programming. Here's what that entails:

• Cost Expectations: As detailed above, expect to pay between $200-$500 depending on where you source the fob and who programs it. This cost generally includes the fob, programming service, and potentially cutting a new emergency key.

• Immobilizer Transponder: The key fob for your 2020 Jeep Cherokee contains a sophisticated transponder chip as part of the vehicle's immobilizer system. This system is a security feature designed to prevent the vehicle from starting without the correct, programmed key. When a new key fob is programmed, the vehicle's computer learns the unique code from the transponder chip in that specific fob. If the transponder chip is not correctly programmed, the vehicle's immobilizer will prevent the engine from starting, even if the remote functions (lock/unlock) work.

Find a mobile locksmith or shop on Repairius.