It could, that was an option.
Yes, the factory alarm can cause a no start.
Nope
The factory alarm can not be disabled. It can only be repaired if malfunctioning.
The factory alarm is not removable. It is part of the computer programming.
The factory alarm is disarmed by unlocking the doors with a key or remote.
You can't, it is an integral part of the computer system.
The factory alarm is not adjustable.
You can not disable the factory alarm. It is built in as part of the computers. If it is a aftermarket alarm you should be able to remove it and put the car back stock.
How do you bypass the alarm system on a 1990 Dodge Dynasty?
The 2001 Dodge Neon factory alarm system does not have a reset switch. Instead, you need to insert the key into the driver's door and turn to unlock the door. Next, turn the key clockwise to initiate the alarm and turn counterclockwise to stop the alarm. Once you stop the alarm, it will reset itself.
An alarm system was not a factory option
It can, if it is the full factory alarm.