How to Replace the Battery in a 2004 Acura TL Key Fob

How to Replace the Battery in a 2004 Acura TL Key Fob

If your auto key fob isn't working properly, the battery most likely must to be replaced. In this post, you will benefit from knowing how to open your car key fob and replace a dead or weak battery DIY. If you decide to do it at home near TL, use this guide, but don't forget to check all you need before you start.

What size battery does 2004 Acura TL remote key fob take

Before going to open keyless entry remote make sure that you have all recommended tools and materials: flat head screwdriver, phillips head screwdriver and CR2025 battery.
  • 1xCR2025 battery
  • phillips head screwdriver
  • flat head screwdriver

Simple steps to replace the battery in your TL's remote key fob

A tiny coin cell battery installed inside the your keyless entry remote. Remove screw on the back of the remote key fob. Spin the key fob over and find for at least one fastener holding in the plastic.

Carefully try to disassemble your fob with pry tools. Change 1 CR2025 battery with flat head screwdriver.

Replace old battery with fresh one CR2025. Every battery has a negative and positive side and if you put the wrong connector down, the current cannot go into your circuit board and make it work. Check position on battery, by "+" mark.

Before assembling keyless entry fob's case, check that all functions works by pressing buttons on key fob.

At this point squeeze fob’s back cover together. Line your case two halves together and put it together by hands from top to bottom. If your keyless entry remote case tightly closed, we done. If not, repeat the last step. Screw fastener in the back of the keyless entry remote.

How to change the battery video instruction

DIY Acura TL Key Fob Battery Change - EASY!

Still not working? Buy new one


Key fob of Acura TL require 1xCR2025 batteries. Price for CR2025 batteries are under $4-6 build upon the size packaging, brand and type you buy. Take your old battery to the store, with you to find a proper replacement.

Key fob in most of cases do not need to be reprogrammed after battery replace. If your remote key fob not working, recheck new battery voltage. Otherwise, read user's manual or contact local dealer.

Yes, you can replace battery in your 2004 Acura TL keyless entry remote yourself. Most hard part is to disassembly fob’s case. It's pretty easy with our step by step guide.

Dealer service cost for replace the battery in fob is from $30 to as high as $500 depending on the car.

You should change batteries inside keyless entry remote of Acura TL at least every four years. The term of battery differ on frequency of use, operating conditions and quality.

If your car fob's battery more than 4 years old, signal strength reduced, has low key battery indicator on dashboard or key fob buttons not working, it's probably battery replace in keyless entry remote required. Currently installed battery is discharged with a high probability, but if it's not help, keyless entry remote change or repair required.
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Fob Compatibility:

  1. FCC ID: OUCG8D-387H-A
  2. Models: 2004-2006 Acura TL