99crown vic wont crank put code in door lock

Try the auto manufacturers 30 minute security reset.

Search "chrysler security reset" for instructions.

Dead Battery
Bad Starter Solenoid
Bad Starter

The starter solenoid clicks, your past the
security system & starter relay

Remove the ring antenna around the barrel,put the old good chip key in the ring (...) start with the other key the car.The immo will read the regular key but the new barrel will work with the new key.Need reprograming the keys or switch the boards/chips in the key.

try locking all the doors with the key .if that wont work.turn the ignition multible times on off ect.if that wont work disconect the battery.reconect and try it .the alarm is cuting youre fuel off good luck hope this helps you

The onboard computer/security system probably has a broblem with the fact that it has not been fed properly for quite some time and is still delerious from malnutrition. Try connecting the battery then locking and unlocking the doors with either the remote unit or the door key. This will get the security system to reset.

use a scan tool to reset the ECM as by disconnecting the battery the immobilizer has been activated

if it cranks over try taking the door opener key fb and locking and unlocking the the doors a couple of times to resince it

If it doesn't turn over it may be your starter going. or a weak battery. start with that first, insufficient fuel pressure won't prevent you car from cranking, but weak battery or bad starter will. If you can jump it and it starts its probably the battery if it doesn't crank then its probably the starter. Good luck

HAVE TO TAKE TO DEALERSHIP.SOUND LIKE THEFT DETERRENT SECURITY SYSTEM GOING BAD.COULD BE WORN IGNITION KEYS OR FAULT IN THEFT SECURITY MODULE.DEALERSHIP HAS TO USE A DIAGNOSTIC SCANNER TO FIND THE PROBLEM.

try locking and unlocking the drivers door with the key. [sometimes if you reach to un lock door through window it it sets off security]