How to Replace the Battery in a 2003 Toyota Tacoma Key Fob

How to Replace the Battery in a 2003 Toyota Tacoma Key Fob

If your auto keyless entry remote isn't unlock doors well, the cell battery more likely must to be replaced. It's not complicated to replace the battery in your key fob, and it’s easier than you think. Everything you need is explained in this article.

What type battery does 2003 Toyota Tacoma key fob take

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

Step by step guide

A coin battery installed in the your remote key fob. Unscrew the back of the key fob. Spin the keyless entry remote over and find for at least 1 fastener holding in the plastic.

Delicately try to open your remote key fob with pry tools. Replace CR2025 battery with flat head screwdriver.

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

Before assembling fob’s case, make sure that all functions works by pressing buttons on circuit board.

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

Key Fob Battery Replacement 2003 Toyota Tacoma Video

How to â—Ź Toyota Key Fob Remote Keyless Battery Change/Replace

Still not working? Buy new one

Frequently Asked Questions

Keyless entry remote of Toyota Tacoma use 1xCR2025 batteries. Most CR2025 batteries are under $5 build upon the brand, size packaging and type you buy. You can take old battery to the store, with you to find a proper replacement.

Often, after key battery replace, reprogramming not required. Don't be scare of this procedure, because often it's described in user's manual.

Yes, you can replace battery in your 2003 Toyota Tacoma remote key fob yourself. Most difficult part is to open keyless entry fob's case. It's pretty simple with our instruction.

The price to change the battery inside key is in range from $30 to as high as $500 depending on the make and the service station.

You should replace batteries inside key fob of Toyota Tacoma at least once in 3-4 years. The term of battery vary on their amount of use, quality and operating conditions.

If your car need multiple clicks to unlock or lock doors, signal strength reduced, key fob buttons not working or has low key battery indicator on dashboard, in most cases battery replace in keyless entry remote required. Installed battery is dead with a high probability, but if it's not help to fix issues, key fob replace or repair needed.
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Fob Compatibility:

  1. FCC ID: BAB237131-056
  2. Models: 2002-2004 Toyota Tacoma