If Your vehicle’s immobilizer is stuck on then You may need to reset the anti-theft system to get it to work properly again. This can be done by using the key that came with Your car and turning the vehicle to the on position and waiting for the antitheft light to turn off and then repeating it and starting the car. BrianB3250. Owner Mobile Tech Jax LLc. Ford Motor Company Mast 1,597 satisfied customers. 2010 Transit connect, sat during COVID for 3 months, when we. 2010 Transit connect, sat during COVID for 3 months, when we tried to start the Anti-Theft system was activated and won't release using the … read more. do you have a clicker for the locks/alarm? try resetting the alarm from there, also disconnecting the battery (i think you said you tried this) temporarily almost always resets anti theft systems. another thing to try is leave the car alone for at least 15 mins, this allows the short term system to reset itself which might help. when all else fails call the dealer in the morning :) hope apparently the immobilizer is a chip on the ecu main board its soldered on there, you can break it off and start your car with a check engine light (this doesn't work on preludes apperently). to get rid of the CEL you can order this chip its called mobilizer board made by a place called doctronics. will cost a bit over 50 dollars to get your .

how do i reset my ford immobiliser