Why does my Ford key fob not work?

If you've replaced the battery in your Ford key fob and it's still not working, you'll need to reset it to the vehicle. Turn the key to the “off” position and remove it from the ignition, and the doors should now lock and then unlock, indicating that the reset is complete.
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What would causes a key fob to stop working?

Dead key fob battery

A bad battery in the key fob is most commonly the reason for a failure to send signals to the keyless entry system. If it is available, use the spare key fob to open the vehicle and start the ignition. If the spare fob is not available, use the provided key embedded in the fob to unlock the door.
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How do you reset a Ford key fob?

Reset a Ford Key Fob: Step-by-Step Guide
  1. Only open the driver side door and push the “Unlock” button.
  2. Turn the ignition to “Off” then to “Run” eight times in a ten-second window.
  3. You want the ignition to end on “Run” to enter the programming mode.
  4. The doors of your Ford vehicle will lock and unlock several times.
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Why is my Ford key not working?

Check and replace the key fob battery as needed. Take the key fob apart and check for broken contacts or misaligned buttons. Reprogram your remote yourself or have a professional do it. Replace your remote if necessary.
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Why won't my key fob work after I changed the battery?

You may use simple tools to open the key fob and check for broken contacts or misaligned buttons. If that does not work, replace the car key fob. The lock is another reason your car remote may not work after changing the battery. To confirm if the lock or car door has become problematic, check for these signs.
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5 Reasons Why a Keyless Remote Does Not Work



How do I reprogram my Ford key fob after replacing the battery?

Follow these steps to program a key fob at home:
  1. Replace the batteries inside the key fobs. ...
  2. Get inside the car. ...
  3. Turn on the ignition. ...
  4. Press the lock button on the remote key. ...
  5. Listen for a Lock Sound. ...
  6. Programming additional remotes. ...
  7. Turn off the ignition. ...
  8. Step out from your car and test the result.
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Can I program a key fob myself?

Depending on the age and model of your car, you may be able to program a replacement yourself. The procedure for do-it-yourself key fob programming can vary: Some automakers provide instructions in their owner's manuals. Information can be found in many cases on the internet.
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Why won't my key fob unlock my door?

If it unlocks the door, the problem may be a weak battery in the key fob, or a problem in the keyless entry antenna or wiring. The key fob itself could be defective or have a bad unlock button. Try the lock button, trunk release button or panic button. If the other buttons work, the problem is a bad unlock button.
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Why won't my key fob lock my car?

The key fob battery is dead: This is one of the most common reasons why your car door lock is not working. If your locks aren't working, replacing the battery in the key fob could solve the issue. The key fob is faulty: If the battery isn't the problem, the issue may be with the fob itself.
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Will disconnecting battery reset key fob?

Disconnecting your battery for a few minutes won't harm your car and may help your key fob return to factory settings, but the best place to figure out if this is a viable strategy is in your owner's manual or at the dealership.
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What interferes with key fobs?

Armchair electricians on social media and elsewhere have raised a number of potential causes—automatic door sensors, shopping cart proximity locks, Wi-Fi, and even some security camera systems have all been reported to mess with smart fob operation elsewhere.
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Will dead car battery cause key fob not to work?

The majority of cars now have remote central locking, however, with a flat or dead battery this won't work and you will be forced to use the key to open the car doors. This doesn't necessarily mean that you need a new car battery.
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How much does it cost to get a Ford key programmed?

Transponder key programming starts at $50 - $75. This includes keys for GM, Ford, Dodge, Honda, Toyota, Nissan. Remote or fob programming starts at $65.
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How much does it cost to have a key fob programmed?

The cost for programming a key fob typically ranges from $85 to $400. Key fobs, otherwise known as a remote fobs, are conventional for most automobiles these days. Car keys come with an added remote fob with buttons that can lock and unlock the vehicle from the outside and the trunk or back hatch.
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How much does a Ford key fob cost?

We checked the price of a basic transponder key on an older Ford F-150. The dealer quoted us $160 for the new key and an additional $75 for the fob. If you go to a locksmith, expect to pay about $20 to $30 less. A potential low-cost alternative for access to your car is to order a basic car key without the transmitter.
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Why is my Ford saying no key detected?

A valid key must be located inside your vehicle to switch the ignition on and start the engine. The keyless starting system may not function if the key is close to metal objects or electronic devices such as cellular phones, or if the key battery has no charge.
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How do you know if your key fob is bad?

Listed below are a few of these symptoms that will alert you that it's probably time to replace your fob battery.
  1. Reduced signal strength. Most of today's fob keys will send a signal to the vehicle up to 50 feet in many cases. ...
  2. Multiple clicks needed to unlock the doors. ...
  3. The key fob does not work consistently.
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How do I know if my key fob battery is low?

How can you check the fob battery? In many cars, a key fob has a little LED light that illuminates when pressing any of the fob buttons. If the LED light doesn't light up at all, the fob battery is dead or there is some other problem with the fob.
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What do you do when your car doesn't recognize your key?

Fixes for damaged car keys

If your physical key is damaged, then you should be looking to get a new key. For those that have traditional keys, a simple car key replacement will do the trick. However, if you have a transponder key, then you will need to have your replacement key programmed to your vehicle.
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Why isn't my key unlocking my car?

Constantly jamming your keys into the door lock or ignition can wear down the “teeth” in your keys. That leads to a poor fit between your key and the lock chamber: the teeth of your car key no longer align with the pins in the lock, preventing it from turning.
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