What happens if I Lose my Toyota immobilizer?

This engine immobilizer system presents a barrier to many owners when it comes time to swap out a bad ECU, or if you’ve lost all the master keys and can’t program new keys. While taking the car to a dealership or locksmith is an option, it could get expensive because you are at their mercy.

How to remove second transponder from Toyota immobilizer?

Insert the second transponder key into ignition lock cylinder for registration DO NOT TURN ON. The Security light may blink indicating it has accepted the key. After 3-5 seconds remove the second key from ignition. Security light should remain on indicating you’re still in programming mode.

Is there a way to reprogram an immobilizer?

The procedure for reprogramming is similar, however you will have to short two wires on the OBDII port to perform a hand-shaking procedure between the ECUs to program new keys. Here’s what the immobilizer system components look like. Here’s a closer look inside the transponder amplifier.

Is there a way to bypass the Immobilizer?

This car is equipped from factory with an immobilizer system. Many cars around this year will have the same. Simply switching ecu’s will no longer work. The code in the key and the ecu have to match in order to start the car. I’m going to show you a way how to go around that for testing purposes.

How many keys do you need for a Chrysler Stratus?

My resource at home shows Stratus up to 2005. It could be an editing mistake if you really have an 06. Here is the reason you should always have 3 keys for most Chrysler and Ford and some GM products: If you have two distinct keys, they can be used to ON BOARD PROGRAM a third.

When to stop using transponder key on Stratus?

I really don’t think anyone will want to steal an ’06 Stratus, but unfortunately the security systems don’t recognize a car car with theft potential from one that no one would steal. Perhaps all anti-theft systems should expire at 10 or 15 years of age and no longer bother with the “transponder key” systems in old cars.

Can you change the ECU on a immobilizer?

Had a customer come in with problems and found the ecu to be bad. This car is equipped from factory with an immobilizer system. Many cars around this year will have the same. Simply switching ecu’s will no longer work. The code in the key and the ecu have to match in order to start the car.

What is the purpose of an engine immobilizer?

The engine immobilizer is a security device. Use the information provided here in a legal and appropriate manner. added means of theft prevention. The key is read by the computer and if it matches, it will enable all systems to start the car. If the key does not match, the car will only crank but not start.

What to do if you lose your immobilizer key?