Replace Key Fob Batteries

How to Replace the Battery in a 2018 Jeep Grand Cherokee Key Fob

How to Replace the Battery in a 2018 Jeep Grand Cherokee Key Fob

If your car keyless entry remote is no longer working perfectly, the cell battery more likely needs to be replaced. Below, we are going to tell you how to disassembly your keyless entry remote and replace a discharged battery DIY. If you gonna solve to do it at home near Grand Cherokee, follow our instruction, but don't forget to check tools and materials required before you start.

What is the battery key fob use

Replacing battery in key fob require flat head screwdriver and CR2032 battery. Prepare these materials and tools before opening and make sure to match the size of your keyless entry fob's batteries.
  • 1xCR2032 battery
  • flat head screwdriver

Simple steps to change the battery in your Grand Cherokee's key fob

A tiny button cell battery installed in the your remote key fob. Remove any internal key before you try to pry apart the keyless entry remote.

Gently try to disassemble your keyless entry remote with flat head screwdriver. Change one CR2032 battery with flat head screwdriver.

Replace old battery with new one CR2032. Be sure to connect the battery the right way around in a circuit. Your keyless entry remote will not work if you put battery wrong way.

After the new battery installed, verify key fob by pressing buttons. If all functions works, assemble your fob’s shell in reverse order.

At this point squeeze fob’s back cover together. Line your body two halves together and assemble it together by hands from top to bottom. Inspect your key fob body for gaps. If it is not tightly closed try to repeat last step.

How to change the battery video guide

How to replace key fob battery. Jeep Grand Cherokee!

Still not working? Buy new one

FAQ

Keyless entry remote of Jeep Grand Cherokee use 1xCR2032 batteries. Most CR2032 batteries are under $4 build upon the brand, size packaging and type you buy. Take your old battery to the store, with you to find a proper replacement.

Key fob in most of cases reprogramming not needed after battery change. If your keyless entry remote not working, recheck new battery voltage. Otherwise, read user's manual or contact local dealer.

Yes, you can replace battery in your 2018 Jeep Grand Cherokee keyless entry remote yourself. Most difficult part is to open keyless entry fob's case. It's pretty easy with our guide.

The price to replace the battery inside fob can run anywhere $50-600 depending on the car and the service pricing.

You should change batteries inside keyless entry remote of Jeep Grand Cherokee at least every 3-4 years. The lifetime of battery vary on frequency of use, operating conditions and quality. Lithium cells normally will last longer.

These signs will warn you that it's possible time to replace battery in your Jeep Grand Cherokee: you didn't change battery more than 4 years, low key battery indicator on dashboard, signal strength reduced and multiple clicks to unlock or lock doors required.
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Contents:

  1. Battery Size and Tools
  2. Replacement Guide
  3. Video Instruction
  4. FAQ

Other Jeep Models:

Fob Compatibility:

  1. FCC ID: M3N-40821302
  2. Models: 2014-2020 Jeep Grand Cherokee Trackhawk