How To Disable Transponder Key System Without Key?

Once in a lifetime we all have lost our car keys and being modern motorheads our cars have a transponder for immobilizer where other keys won’t work. so to make them work we have a few steps to know how to disable transponder key system without key

Transponder keys are a common convenience and safety feature found in automobiles all over the world. These keys are electronically synced to your engine and are also known as chip keys or ignition keys. Once programmed, you can only start your car with a specific key.

A transponder key is a security device that contains a microchip (transponder chip) that transmits unique alphanumeric codes to your vehicle’s ignition system via radio waves. Your vehicle’s ignition will turn on as a result of the codes sent. Any vehicle equipped with a transponder key will not function unless the initial key is programmed. You may be wondering what to do if you cannot locate any of your original keys. Don’t be alarmed. We will show you the best methods for programming a transponder key without the original transponder key.

How To Disable Transponder Key System Without Key?

car key

The key fob can be used to disable transponder ignition without a key.

When they connect, your anti-theft system will respond to the signals from that fob. As a result, you can disable the immobilizer simply by using it. While you can program the key directly from the driver’s seat, you can also disable it if you have lost one or no longer want to use the technology.

Step 1

Enter your vehicle, insert the key into the ignition, and turn the key to “ON.” Allow it to sit for 10 minutes and 30 seconds.

Step 2

Turn the key to the “OFF” position before 45 seconds have passed. Then, return it to the “ON” position. Wait 10 minutes and 30 seconds more.

Step 3

Within 45 seconds, repeat the preceding step by turning the key to the “OFF” position. Then return it to the “ON” position.

Step 4

Turn the key to “OFF” and then back to “ON.” The key has now been programmed. To test, turn on the ignition.

Other Ways To Try

Car Transponder

Transponder chips are designed in such a way that they cannot be bypassed in any way, which means that you cannot start a car without the chip. An authorized dealership can read your vehicle’s required frequency and create a replacement. You can, however, try a workaround.

  1. Remove your key’s plastic cover. Because the seal is so tight, you may need to use a screwdriver or pliers to apply leverage.
  2. Take the transponder chip out.
  3. Attach the chip to a piece of tape and place it near the ignition lock.
  4. Try starting the key with your replacement key that lacks the chip.
  5. Reposition the piece of tape if the car does not start.
  6. Secure the chip once you’ve found a suitable location.

Programming Transponder Key System Without Original Key


Here are some straightforward instructions for programming your transponder key without the original key. This will only work on certain car models, and in some cases, more advanced diagnostic tools will be required. However, these steps are straightforward which will help you to know how to disable transponder key system without key

1. Turn On The Ignition.

Put the key in the ignition and get in the driver’s seat. Turn the key to the ON position. The security light should illuminate.

2. Wait

The security light must be turned on for at least 15 minutes. If you want to program the key, leave the system alone for at least 15 minutes.

3. Turn Off And On

After 15 minutes, the security light should turn off. You must return to the key within three minutes of this occurring, so keep an eye on it.
Turn the key to the OFF position and then back to the ON position. The security light will remain on for another 15 minutes.

4. Repetition Of Steps

You will perform the same actions as in the previous step. Turn the key on and off again.

This should re-light the security light. With another 15 minutes to go, you might be getting tired. However, this should be the last time you need to do this. 45 minutesĀ  After a few simple steps, the key should be generated and ready to use.
Check the key to see if it starts the car.


How Can I Tell if My Car Key Contains A Transponder?

If you insert your key while your ignition is turned off and your car system recognizes it without raising an alarm, that key is a transponder key. Transponder keys typically have a chip inside the key’s head. If your vehicle key is expensive to buy, it should be a transponder key.

You can also use the hit and trial method, which involves starting your car engine with a non-responder car key. If your vehicle lacks a responder key, a different type of key will not start the engine unless it is reprogrammed.

Can You Get Around The Transponder Key?

Of course, you can bypass a transponder key, and there are several methods for doing so. One method is to permanently rewire your car’s ignition. To be completely keyless, your car will require a new bypass kit.

How Much Does A Dealership Charge To Program A Key?

The cost of programming new key ranges between $60 and $120, depending on complexity and automaker. Some dealerships may offer this service for free, while others may charge an hourly or half-hour fee. When you don’t have your original keys, it can be expensive to reprogram a new transponder key.


We hope you found the answers to “how to disable transponder key system without key” useful. With our step-by-step instructions, this process is no longer a difficult problem for you. We still recommend that you get a keyfob from the dealership, which will cost you a buck because it is better than doing it yourself.

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