How does the theft deterrent control module work?
The transponder transmits a unique signature to the theft deterrent control module. If the key signature transmitted is acceptable to the theft deterrent control module, the theft deterrent control module will transmit fuel enable password to the PCM. If the fuel enable password is correct, the PCM will start the vehicle.
What to do if your anti theft system doesn’t work?
If neither method works, try them with a second key that you might have of the car. If the second key helps, your original key is at fault and you will need to get your key replaced or repaired. However, the chances of this happening are bleak.
How does the passkey 3 anti theft system work?
The Passkey III anti-theft system uses a transponder inside the head of the ignition key. The exciter inside the ignition lock cylinder energizes this transponder when the ignition switch is turned on. The transponder transmits a unique signature to the theft deterrent control module.
How to reset the anti theft system in a Ford?
1 Insert the key into the ignition and turn it on to the position where the accessories are activated but not the engine. 2 Leave the key in this position for at least 10 minutes. 3 Check the anti-theft light again. 4 Now try to start the engine. 5 Repeat the process at least a couple of times if it does not work the first time.
The transponder transmits a unique signature to the theft deterrent control module. If the key signature transmitted is acceptable to the theft deterrent control module, the theft deterrent control module will transmit fuel enable password to the PCM. If the fuel enable password is correct, the PCM will start the vehicle.
If neither method works, try them with a second key that you might have of the car. If the second key helps, your original key is at fault and you will need to get your key replaced or repaired. However, the chances of this happening are bleak.
Is there a way to turn off the theft deterrent?
Close the door and wait for the security light to stop flashing from inside the car. Another option is to close the doors first, and then press the “Lock” button on the keyless remote. This will also pre-arm the theft-deterrent alarm system.
Is there a way to reset a GM theft deterrent?
The other option is to unlock the doors with the GM key, and turn the car ignition on. These are the only two options for manually deactivating the alarm, and trying to unlock the doors in any other way will not work. Exit the car and leave the door open. Press the lock switch from inside the car to lock the doors.