How to Replace the Battery in a 2003 Honda Odyssey Key Fob

How to Replace the Battery in a 2003 Honda Odyssey Key Fob

If your Odyssey remote key fob is no longer unlock doors properly, the cell battery probably needs to be changed. Below, we are going to tell you how to open Honda keyless entry remote and change a dead or weak battery yourself. If you gonna solve to do it at home near Odyssey, follow our guide, but first make sure you have everything you need.

What type battery does 2003 Honda Odyssey keyless entry remote take

Replacing battery in remote key fob require phillips head screwdriver, 1 CR2025 battery and flat head screwdriver. Prepare these materials and tools before opening and make sure to match the type of your keyless entry fob's batteries.
  • flat head screwdriver
  • 1xCR2025 battery
  • phillips head screwdriver

Step by step guide

Inside of your remote key fob installed small coin cell battery. Remove fasteners on the back of the remote key fob. Flip the remote key fob over and look for at least one screw holding in the plastic.

Gently try to open your key fob with hands or flat head screwdriver. Replace one CR2025 battery with flat head screwdriver.

Get new battery and install it in fob’s case. Be sure to connect the battery the right way around in a circuit. Your key fob will not work if you place battery wrong way.

Before assembling fob’s case, make sure that everything is functioning by testing buttons on circuit board.

At this point squeeze fob’s back cover together. Line your case two halves together and assemble it together by hands from top to bottom. Check your key body for gaps. If it is not tightly closed try to repeat last step. Screw fastener in the back of the keyless entry remote.

How to replace the battery video guide

How To Replace A Honda Odyssey Key Fob Battery 2001 - 2004 FCCID: OUCG8D-440H-A

Still not working? Buy new one

Frequently Asked Questions

Key fob of Honda Odyssey require 1xCR2025 batteries. Most CR2025 batteries are under $4-6 build upon the size packaging, type and brand you buy. You can take old battery to the store, with you to find a proper replacement.

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

Yes, you can change battery in your 2003 Honda Odyssey key yourself. Most hard part is to disassembly keyless entry fob's case. It's pretty easy with our guide.

The cost to replace the battery inside remote key fob is in range $50-600 depending on the car and the service pricing.

You should replace batteries inside keyless entry remote of Honda Odyssey at least every three years. The term of battery differ on their amount of use, quality and operating conditions. Famous brands cells normally will last longer.

If your auto has low key battery indicator on dashboard, signal strength reduced, fob's battery more than 4 years old or need multiple clicks to unlock or lock doors, it's probably battery change in remote key fob needed. Installed battery is discharged with a high probability, but if it's not fix, key fob change or repair needed.
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Fob Compatibility:

  1. FCC ID: OUCG8D-440H-A
  2. Models: 2001-2004 Honda Odyssey