Had keys stolen for honda civic 08 2 2 diesel.
Toyota transponder key not working.
My car is a toyota matrix 2005 but apparently this procedure is valid for several toyota models and years.
4 tips for transponder key troubleshooting 1.
However like all computers the transponder key needs energy to work.
If you try to start the.
What the transceiver do is to search for the exact signal and if there is no signal or the signal is not correct the car will fail to start.
Should work with other toyotas too.
The battery of your transponder key should be something to check if you ve ruled out mechanical issues with your car.
The radio signals are of a very low strength that they activate the chip only when the key is very near to the dashboard or when it is pushed into the ignition to start the car.
Any help would be greatly appreciated and any advice on what to change as got another full car there for all computer bits.
If this battery goes dead that signal or communication is lost and the engine won t start.
Transponder keys do not have a battery.
Inside the housing is a small battery.
Changed ignition and locks and exit to correspond with new key.
As this is a transponder chip key or coded key it therefore needs to be programmed coded to start your vehicle.
This video will show you how to reprogram you key.
It is an embedded chip which is powered by the radio signals itself that are sent by the car.
Now all i m getting is little green key flashing to say not working with immobiliser.
If you have multiple keys to the same car they can sometimes interfere with the rf signals that are required to start the engine.
You can get replacement keys here.
It is used for different models and different years.
The toy44g pt key is a transponder chip coded key mostly used for toyota models manufactured after 2011.
Also any car that needs a transponder key will not work without that key.
Please my car is a toyota highlander le 2015 model.
However you must get the appropriate.
The chip is located at the top of the key.
The interior locks works perfectly for both locking and unlocking.
It does not have a smart key and the key remote is not working but am able to unlock and lock the car manually using the key.
This programming method will work even if the key blade hasn t been cut yet.
Do not cut the key blade just yet before you cut the new key blade first try to program the security chip inside the key.
Searching the web turned up a couple of techniques but the one that worked for me was found in a youtube comment by user nazareth434.
If your key stops working here are a few troubleshooting tips.
Avoid the dealer they charge an arm and a leg for a simple procedure you can do yourself for free.
Note that any key without the right programming can still open the car doors and trunk.
