how to bypass ford pats system without key

Ford Passive Anti-Theft System (PATS) is an immobilizer system designed to prevent unauthorized vehicle use. To bypass the system, you must have a working key programmed to the PATS system. 

But what if you don’t have the key? Here comes the confusion, how to bypass the Ford PATS system without a key? Well, there are a few ways that you can bypass the system. One way is to call a professional locksmith or the dealership, and they will allow you to start the car without a key. Another way is to use an electronic key programmer, which will also authorize you to start the car without a key.

Whichever method you choose, make sure that you follow the instructions carefully, which we will discuss in this article to avoid damaging your vehicle.

What Is Ford Pass Key System?

Ford Pass Key system is an important safety feature in many of the latest Ford models. The system is used in a smartphone as an app. Here the smartphone functions as a key. 

You must have a FordPass Connect modem in your car to use it. When it synchronizes with your car through the smartphone, the car will unlock and then start. 

This system is designed to prevent thieves from being able to hotwire a Ford vehicle and drive off with it. The Pass Key system is just one of several layers of security that Ford has implemented to make their vehicles more secure.

What Triggers Ford Anti-Theft System?

In order to prevent unauthorized use of your vehicle, Ford anti-theft system will trigger the alarm if the doors, hood, or trunk are opened or if the ignition switch is tampered with.

The alarm can also be triggered by objects striking the vehicle, such as a rock or a bat. 

If the alarm is triggered, the vehicle’s lights will flash, and the horn will sound. It will continue to sound until the owner disarms it. Sometimes, the alarm may also notify the police or monitoring service.

Requirements For Bypassing Ford PATS Key System

You can bypass the Ford PATS system in a few different ways. The most used and straightforward ways are by using the original key. 

However, if you don’t have the original key, you need to call the dealership or a professional locksmith to do the job for you. 

A further way that you can bypass the system is by buying a car key programmer. This device will allow you to reprogram the keyless entry system to accept a new key.

How To Bypass Ford PATS System Without Key?

You can try a few different methods if you’re looking to bypass the Ford PATS system without a key. 

Experienced Locksmith

One way is to contact a professional locksmith. Many locksmiths have the tools and expertise necessary to bypass PATS systems.

However, this option can be expensive, and it may take some time to find a locksmith who is familiar with PATS systems.

Ford Dealer

Another option is to call the dealership where you purchased your vehicle. The dealership should have access to your vehicle’s code and can provide you with a replacement key.

Yet, this option can also be costly, and it may take some time to get a new key from the dealership.

Electronic key programmer

One is to purchase a car key programmer. This device can program a new key for your vehicle, bypassing the PATS system and allowing you to start the engine.

However, this option can be expensive, and it may not be available for all makes and models of Ford vehicles. 

Ford PATS System Troubleshooting Guide

The Passive Anti-Theft System (PATS) uses a transponder chip in the ignition key to prevent vehicle theft.

When the PATS system is armed, the transponder chip sends a signal to the PCM (Powertrain Control Module). 

The PCM then sends a signal back to the transponder chip. If the signal from the transponder chip is correct, the PCM will allow the engine to start. If the signal is incorrect, the engine will not start.

A few things can cause the PATS system to trigger an error and prevent the engine from starting. 

Faulty transponder chip

A transponder chip is an RFID device that helps identify a vehicle’s owner and allows the engine to start.

The transponder chip is usually placed in the ignition key and sends a signal to the vehicle’s computer, which then verifies that the signal is coming from an authorized key.

The computer will not allow the engine to start if the signal is not coming from an authorized key.

Intrusion between the transponder chip and the PCM

Another possibility is interference between the transponder chip and the PCM.

This interference can be caused by physical objects (such as metal) or electrical pulses (such as those from an electronic garage door opener). 

If you are having trouble with your PATS system, there are a few things you can do to troubleshoot the problem. 

Inspect the battery

Check to make sure that the battery in your key fob is fresh. If it is low, replace it with a new one. 

Hold the key fob

Try holding the key fob close to the steering column when you attempt to start the engine. Sometimes this will help to clear up any interference issues. 

Go to the Ford dealership

If all else fails, you can always take your car to a Ford dealership and have them diagnose and repair any problems with your PATS system.

How To Disable Ford PATS System?

The PATS system is designed to prevent vehicle theft, but it can also be a nuisance if you lose your key or accidentally set off the alarm. If you need to disable Ford PATS system, there are a few things you can try:

Insert the car key into the door

Insert your key into the driver’s side door and turn it to unlock. However, do not remove the key – leave it in for 20-30 seconds so the system can pick up its RF signals.

It will disengage the PATs system! If your keys are not staying put, you can try twitching them to keep them in place.

Once the system has been successfully disengaged, you should be able to start your vehicle as normal. Remember that you will need to repeat this process each time you start your car, so it may be wise to keep an extra key on hand just in case. 

Using an active key fob

The key fob must have a working battery to disable the PATS system. If the battery is dead, the system cannot be disabled. Once a new battery has been installed in the key fob, follow these steps:

  • Enter the car and close all doors.
  • Insert and turn the key to the “On” position.
  • Press and release the panic button on the key fob within five seconds.
  • Turn the key to the “Off” position.
  • The PATS system will now be disabled. 

Put the key in the ignition

Insert the key and leave it in the ignition for 10-15 minutes. It will reset the system and allow you to restart your engine. Once it’s restarted, check to see if the dashboard anti-theft light has gone off.

If it has, then you’re good to go. However, you will have to repeat this method if the light remains on.


Bypassing the Ford PATS system is not difficult, but it requires some specific tools and knowledge. By following the steps outlined in this article, you should be able to bypass the system without any trouble. 

However, it is important to note that this is a temporary measure and that you will need to get a new key made as soon as possible. 

In addition, you should only use this method if you are sure your key is lost or stolen. Otherwise, you could end up damaging your vehicle or causing it to malfunction.

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