How to Replace the Battery in a 2009 Mazda B4000 Key Fob

How to Replace the Battery in a 2009 Mazda B4000 Key Fob

Remote key fob grant access to your auto. If the keyless entry remote battery is dead you lose your keyless entry fob's ability to control distance functions. Yes, it is possible to replace the battery in your remote key fob with our guide. All you need is described in this post.

What size battery does 2009 Mazda B4000 key fob required

Before going to disassembly keyless entry remote check all that you need: CR2032 battery and flat head screwdriver.
  • 1xCR2032 battery
  • flat head screwdriver

Simple steps to change the battery in your car's remote key fob

Inside of your key fob installed small button battery. Move the key out of the way if it is in the remote key fob.

Gently try to disassemble your key with pry tools. Replace one CR2032 battery with flat head screwdriver.

Get new battery and install it in fob’s case. 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 position on battery, by "+" mark.

Before assembling keyless entry fob's case, verify that everything working properly by testing buttons on circuit board.

The last thing to do is put your cover back on fob. Gently try to put the pieces in place by hands from top to bottom. Inspect your fob shell for gaps. If it is not firmly closed try to repeat last step.

Key Fob Battery Replacement 2009 Mazda B4000 Video

How To Replace Mazda B4000 Key Fob Battery 2000 2009

Still not working? Buy new one


Remote key fob of Mazda B4000 require 1xCR2032 batteries. Price for CR2032 batteries are under $6 depending on the type, size packaging and brand you buy. Take your old battery to the store, to find a proper replacement.

Usually, after keyless entry remote battery replace, you do not need to reprogram. Key fob reprogramming procedure often described in user's manual of your vehicle.

Replacing your keyless entry remote battery is simple to do in 2009 Mazda B4000. Most of car manufacturers think of the clients and make a special hole for remote key fob disassembly.

The price to change the battery in remote key fob can run anywhere $50-600 depending on the make and the service pricing.

You should replace batteries inside remote key fob of Mazda B4000 at least once in 4 years. lifespan of battery differ on their amount of use, quality and operating conditions. Famous brands cells usually will last longer.

These symptoms will warning you that it's probably time to replace battery in your Mazda B4000: multiple clicks to unlock or lock doors required, key fob buttons not working, low key battery indicator on dashboard and signal strength reduced.
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Fob Compatibility:

  1. FCC ID: OUCD6000022
  2. Models: 2001-2009 Mazda B4000