2004 Ford F150 xl won't start,theft light blinking,no chip in key and no remote keyless entry

Hello Cathy

It does indeed have keyless entry. It needs reprogramming when you get a new remote. Also if you disconnect the battery. Usually a local car alarm fitting shop, or an auto-electrician will do it. Plus of course a Ford dealership.

https://www.google.com/search?q=Keyless+Entry+Remote+System+1999+Ford+Windstar

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Your vehicle has two theft systems - content theft , if the door is opened without the key or keyless entry key fob the horn honks lights flash . PATS - passive anti-theft system ,this keeps the vehicle from starting if the computers don't see the right code from the transponder pellet in the head of the key .
You can turn off the content theft but not the PATS , when trying to start the vehicle does the theft light flash fast ? Red light on top of the dash .

Ford Passive Anti-theft System (PATS) - KCSS ...

https://kcss-transportation-technology.wikispaces.com/share/.../61579706

The passive anti-theft system (PATS) uses radio frequency identification .... This hasreset instructions when you get to the point where she turns over but won't ... Took the truck to a Ford dealer and they recommended replacing the ... http://www.f150forum.com/f6/1999-f150-4-6-wont-start-anti-theft-light-flashing-129601/Missing: learn

Reference: - Ford Anti-Theft (PATS) ' FordForumsOnline.com

www.fordforumsonline.com > Ford Tech Forums > Sound & Security

Oct 26, 2010 - 16 posts - ‎3 authors
Ford SecuriLock Overview PATS is a vehicle security feature ... be noted that PATS is not your Remote Keyless Entry (Key Fob). ... The PATS Control Modules flashes the "Theft" lamp to show system ... keys are currently qualified for the 2000/1Taurus/Sable, 2001 Windstar, ..... 1999 Taurus DOHC 145,000.Missing: learn

Reprogramming procedure for Mercury, Ford and Lincoln ...

www.autorepairinstructions.com/?p=171

Mine did this on a 2002 F150 I ended up having to replace the instrument cluster. I ordered a used one online then had the ford dealer program it.

I would also try a spare key if you have one could be the chip inside your key too.

Good luck

YES your car thinks you have stolen it, The dealers computer will convince it that you did not

keyless intry and remote start are 2 diffrent stuff what do you have in your car if your have alarm with key less intry or remot start with key less intry check your egition wire and starter wire also you shuold tell is that factory or after market system in your car

cbridges2232,

Any luck with your keyless remote issue? I'm having the exact same problem with my Ford F150 CrewCab after car battery replacement.

The ignition lock anti-theft switch (19A438) detects if the ignition key cylinder is broken or "slam pulled" during a theft. The ignition lock anti-theft switch is always monitored by the remote anti-theft personality (RAP) module. This allows the alarm system to be triggered in the case that the ignition lock anti-theft switch detects tampering of the ignition key cylinder (even in the event that the alarm is not active at the time).
Refer to the Section 501-14B for more details on the keyless entry remote transmitter (15K601).
The door open warning lamp switch (14018) communicates to the RAP module through the generic electronic module (GEM). This input to the RAP will cause the anti-theft alarm to be sounded if the anti-theft alarm was armed.
The door disarm switches are assembled into both LH and RH lock sets. The door disarm switch must be triggered before the mechanical lock unlocks. This is to prevent the anti-theft alarm from activating when it should have been disarmed.
The RAP module controls the anti-theft system and is the brains of the keyless entry system. The RAP module communicates with the GEM to request that the interior lights be turned ON/OFF with use of the keyless entry remote transmitter, and the GEM communicates to the RAP to inform when the door is opened. Refer to Section 418-00 for inter-module communication.
The RAP module has three wire connectors attached to it:

• The antenna for the keyless entry remote transmitter.
• 26 circuit connector (C256).
• 22 circuit connector (C257).

In addition to the perimeter alarm that uses the door open warning lamp switch, the RAP module also uses the ignition lock anti-theft switch and the autolock/relock feature to prevent theft of the vehicle. For a full description of the autolock/relock system, refer to Section 501-14B .
The THEFT LED is found on the instrument panel between the tachometer scale and the needle pivot point. The LED is illuminated during prearming and flashes when armed or triggered.
Prearming and Arming the System
The system can be armed if:

• The ignition is OFF.
• The PANIC alarm is OFF.
• All doors are closed.

There are two ways to prearm the system:

• Press the LOCK button on the transmitter.
• Open a door, press the power door lock button and close the door.

After 30 seconds the system will be armed and the theft indicator in the cluster will flash every two seconds.
Disarming an Untriggered System
An armed system will be disarmed with one of these valid actions:

1. Pressing the UNLOCK button on the transmitter.

1. Placing a key in the door and turning to UNLOCK.

1. Turning the key to RUN or ACC.

The anti-theft alarm can be triggered by the following conditions:

• The ignition cylinder is damaged with or without the RAP being armed.
• A door is opened without disarming the armed RAP module.

The remote transmitter can activate a panic alarm which is similar to an anti-theft alarm, but does not deactivate the starter or cause the theft indicator to flash.
Disarming a Triggered System
If the system has been triggered, (the horn honks, the lights flash, and an external starter interrupt relay is engaged), the system can be disarmed by:

1. Pressing the UNLOCK or PANIC button on the transmitter.

1. Putting a key in the door and unlocking the door.

1. Turning the ignition to RUN/ACC (Turning the key to RUN/ACC will not disarm an alarm that has been triggered by the ignition lock anti-theft switch.).

The chip is in the key. Either the key has lost it's program or the transceiver is not recognising the key. Try another key if you have one.

The taurus is equipped with what is called a PATS (passive anti theft) that wont let the car start until it recognizes the key in the ignition, some things to check, first when you put the key in and turn the car to run (not start) does the theft light blink fast in the dash or is there a red on light on the dash that starts blinking? if so it is a PATS problem, the only ones I know of that can program keys are dealers, if the car wont turn over it probably is not a fuel pressure issue, the most common thing would be the PATS keys either unprogrammed or somthing wrong with the module. hope this helps