Question about 2002 Ford Explorer

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Ford security light flashing,no start

Security light flashes,no start

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I had a 1995 F150 with a recall bulletin for an electrical problem in the doors. Took the truck to Midway Ford, they worked on the truck, parked it up on the hill East of the shop. When I got there the truck started, the alarm triggered and when they checked out their work, they had failed to re-connect a wire inside the drivers door. Have you had wiring connections opened recently? You might want to recheck the connections if you have. That was the only time the truck did anything like that and after they reconnected the wire I had no more electrical problems with it.

Posted on Apr 22, 2014

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Use the door key and lock the drivers door wait a few seconds then unlock the door and that should disarm the system. if this does not work then disconnect the battery after bout 15 seconds or so reconnect battery and perform above procedure again and that should do it. Let me know how it goes.

Posted on Apr 22, 2014

Testimonial: "Helpful,but did not work.The security light flahes constantly with key in it and on or off,makes me programing,but without 2 original keys I cant change the programming of the vehicle.When AAA sent a locksmith out to look at it,the worker made a new key but couldn't program it because his machine wouldn't/couldn't talk to the BCM,so the nw key isn't any good right now unless there is a way to programjust the key-my fear is the cost that Ford charges.Hardware stores can program just the key,but HOW could I program the vehicle to match the key?Any ideas would be appreciated..Thanks----Scott"

  • scott Apr 25, 2014

    For Dawn Johnson and Kcnomad45 just a follow up on what went wrong with the 2002 Ford Explorer,it turned out after trying so many different things that a fuse in location 41 under the hood was blown,i replaced the fuse and it now works.One thing that was weird is i found a question somewhere else and the guy said that the odometer was all dashes,and the code scanner wasnt communicating with the vehicle computer,same problem as me,so i went after that and it was fixed in 10 miutes.Sinple little fuse...Thanks again

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Posted on Jan 02, 2017

chuck943
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SOURCE: 2000 ford windstar anti theft light flashing vehicle won't start

This means that your key is not being recogonized.Ethier the chip in the key is bad or the patts transciever at the lock cylinder. Do you have a spare key? If not you will have to get 2 new keyss cut and programmed.

Posted on Feb 16, 2009

oldfishead
  • 155 Answers

SOURCE: ford expedtion wont start security light keeps

try your other ign key......either a transponder or key chip failure.....hope its just the key.....GL

Posted on Jul 06, 2009

  • 14 Answers

SOURCE: 2002 ford wind star o/d light started flashing after car wash

Two things that it could be.
1 - Look under the hood, there is a wire coming out of the master cylinder, there was a problem with some of the windstars that leak brake fluid, run down the wires and drip on the neutral safety switch, which would cause the light to come on.
2 - This one solved my problem. It could be the transmission valve body that needs to be updated or changed out. There are many issues with these valve bodies. Slipping from 1-2, OD light blinking, shift 1-2-3-2, late down shift from 3-2. I had all of these.
If you do some work on cars, then you should be able to change out the valve body yourself, with a torque wrench. I picked one up on ebay for $180 with shipping both ways, and took my about 2 hours. My Windstar never drove so good.
-fyi, The OD solenoid is inside the transmission.

Posted on Jul 09, 2009

  • 82 Answers

SOURCE: 2003 ford taurus security flashes theft then it

The security systems pass lock is disabling the vehicle. This usually happens when the ignition switch does not recognize the ignition key and/or a defective fob or the battery in the fob needs to be replaced. If you ignition key is too worn. This could possibly be your problem

Posted on Mar 26, 2010

  • 92 Answers

SOURCE: o/d light flashing on 1995 Ford explorer. Started

You should have the computer self tested by someone with a scan tool. The flashing overdrive light indicates a concern with the transmission. Self testing the computer should produce a fault code and give you some idea of what is wrong.

Posted on Apr 03, 2010

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Wreaked my 2013 ford mustang and now the car wont start and the security light flashes


Most likely that is because the battery power has been disconnected at some point.

You will need to get the car to Ford service to fix it for you.

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It looks like a security issue ,there is an interesting video on YouTube .
search (ford focus no start ,theft light blinking , easy fix)
hope it helps

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2001 honda civic a green key displayed


The flashing green key icon when turning off your car? Ignition security system, requires chipped key to start. It's sort of like the GM and Ford flashing red light to announce the security system is active.

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Seek your advice for ford winstar model2002 lost the make duplicate key but not acepting please advice


Hi, I found this on a ford forum for you, procedure to program a new key to your car's anti theft system computer.:
Please rate this answer if helpful! Thanks, Mike
How to program a replacement PATS key patskey_small.jpg

Please keep in mind....
This and other how-to articles are provided for informational purposes only. Perform the procedures at your own risk. FordF150.net is not responsible for any damage that may occur as a result of performing procedures outlined in any article. Please be sure to read and understand the entire article before doing this.

These instructions will save you a lot of money. The dealer wants at least $50 just to do this simple procedure.....

To start off, I'll explain a bit about what a PATS key is, what it does, and why this might concern you.

PATS is an acronym that stands for Passive Anti-Theft System (Ford also calls this SecuriLock). It is also called a transponder key. It is a security feature found on most (if not all) new Ford products, and what it does is disable your vehicle's starter unless your specially programmed key is used to start the vehicle. There is a computer chip inside of the key, and without that you will NOT be able to start the vehicle -- even if you have a regular (non-PATS) key with the correct cuts, it will not work.

For convenience, I'm also including a list of other vehicles that these instructions apply:

Ford Contour '98-up
F-150 '98-up
Ford Crown Victoria '97-up
Ford Escort 99-up
Ford Excursion '00-up
Ford Expedition '98-up
Ford Explorer '98-up
Ford Focus '00-up
Ford Mustang '96-up
Ford Ranger '98-up
Ford Taurus '96-up

Ford Windstar '98-up
Lincoln Continental '98-up
Lincoln LS '00-up
Lincoln Mark VIII '98-up
Lincoln Navigator '98-up
Lincoln Town Car '98-up
Mercury Grand Marquis '97-up
Mercury Mountaineer '98-up
Mercury Mystique '98-up
Mercury Sable '96-up

NOTE: These instructions may apply to more or less vehicles than those listed above. I cannot confirm that these procedures work for every year and model listed. See your dealer if to confirm this.
On-Board Programming Method "B"

for Ford keys (1996 -early 1998 Ford, Lincoln, Mercury)
If you want to initiate a new master key....

1. Insert new key into ignition cylinder and turn it to the ON (RUN) position. The security light on the dash will flash for fifteen minutes.

2. When the security light stops flashing, you have FIVE minutes to start the next step. Turn the ignition cylinder OFF and then back to the ON (RUN) position. The security light on the dash will flash for fifteen more minutes.

3. When the security light stops flashing, you have FIVE minutes to start the next step. Turn the ignition cylinder to OFF and then back ON (RUN) position. The dash will flash for fifteen more minutes.

4. After the security light stops flashing the third time, the new key has been programmed into the vehicles computer and will operate the car. It has replaced ALL the previous electronic key codes and is the ONLY key programmed into the vehicles computer.
If you want to add a key....

1. Insert an existing key into the ignition cylinder.

2. Turn the ignition cylinder to ON (RUN) and back to OFF.

3. Remove the existing key and, within 15 seconds, insert the new key and turn it to ON (RUN).

4. The security light will light up for two seconds to indicate success in programming the key into the vehicle.

5. Don't attempt to start the vehicle with any key for at least 1 minute.

Please rate this answer if it is helpful! Thanks, Mike

Jun 14, 2011 | 1999 Ford Windstar

1 Answer

03 f150 will not start(security light flashing). Turn switch on, wait to see if light flashes, if light stays on truck will start. May start twice then back to switch off & on check for flashing. Can I...


There is no way to disable the immobilizer ( that would defeat the purpose of it ), the question I have, do you have another RFID tag on the ring with the truck key ( speed pass, another Ford key, etc ) ?

If you have these on the same ring, and they are too close to the key cylinder, it can cause a false negative for the programmed keys.

Have you tried another key ?

Are there any other modifications to the truck ( remote start, or security system ) ?

Apr 07, 2011 | 2004 Ford F150

1 Answer

Secureilock error code 13 on 2007 ford expedition. I am having problems remote starting my expedition.


Securilock problem for your remote start? Check when you try to start it, if the security light is flashing fast it is probably the PATS (security system) bypass. To reprogram it you will need two keys. First insert the first one and turn it to the run position. When the security light shuts off insert the second key and turn it to run. Once the light has gone off the second time pull the key out and hit the start button on the remote start fob, this all has to be done in 10 seconds. The vehicle will start, shut it off and try it again. If it doesn't start look to see if the security light is flashing fast again if it is the bypass needs to be replaced. If the light isn't flashing fast and it still doesn't start it should be honking at you or flashing its lights, count these then look in your manual it will tell you what is wrong. If none of these work let me know and I will help you. You can also check out my profile I have a tip that is about remote starts.

Good Luck

Dec 26, 2010 | 2007 Ford Expedition EL XLT

1 Answer

No keys


If you want to initiate a new master key.... 1. Insert new key into ignition cylinder and turn it to the ON (RUN) position. The security light on the dash will flash for fifteen minutes.
2. When the security light stops flashing, you have FIVE minutes to start the next step. Turn the ignition cylinder OFF and then back to the ON (RUN) position. The security light on the dash will flash for fifteen more minutes.
3. When the security light stops flashing, you have FIVE minutes to start the next step. Turn the ignition cylinder to OFF and then back ON (RUN) position. The dash will flash for fifteen more minutes.
4. After the security light stops flashing the third time, the new key has been programmed into the vehicles computer and will operate the car. It has replaced ALL the previous electronic key codes and is the ONLY key programmed into the vehicles computer.

The dealership should be able to do this for you without a current key, of course this means towing the vehicle to them. See if they will sell you a key and you program it yourself.

hope this helps. I found the above info at FordF150.net

Jun 22, 2009 | 1998 Ford Contour

3 Answers

Key Does Not Work


It could be that chip inside key just went bad. Do u have a 3rd key? That works? If so take the 2 good keys and turn the igntion to run postion for 3 secs each then do the same for the 3rd key and this will reprogram it if the chip is ok. If you do not have 2 good keys then u will have to have a scan tool that will link up with PATS system and perform security access to reprogram it.

Feb 12, 2009 | 2005 Ford Taurus

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