2000 f150 theft light flashing

2004 - 2008 Ford F150 - Anti-theft issues no start - 2006 f150 xlt 5.4 230,000 miles. I have been having my security light on dash rapidly flash and truck will not turn over. I wait a few minutes and it works fine. I am using original keys.

Jun 24, 2021 · When PATS is activated, an anti-theft indicator light will flash every 2 seconds to show that the system is functioning and to act as a theft deterrent. When you turn the ignition to the on position, the light will glow for three seconds and then go out. Cam (didit) No start no crank security light on. SOLVED! After 15 min my son-in-law mastered the problem!! "Ford" to this day has not figured it out. if your trk has a fast flashing security light, no crank. It all programing!! Pretty sure that's been covered here in the past but it helps to remind everyone.This 2003 Ford F150 came in with the complaint that the engine would not fire up and run. The starter worked, the theft light flashes quickly and the odometer reads all dashes instead of numbers. Scanning the PCM found that it would not communicate with the scan tool. There was a code U1262 ( missing standard corporate protocol communication ...1997 - 2003 F150 - F150 2001 Theft light constant blinking crank no start - Hi my F150 2001 no wont start, constant Theft blinking on instrument panel, also shows service engine soon light. ... 2000 F150 5.4 4x4 150,000 miles will not start. Darthange. 1997 - 2003 F150. 5. 05-14-2011 04:16 PM. 2001 F150 won't start when 'cool' jonesav.Assuming it is the PATS key, the theft light always blinks. but if it wont start it could be a bad sensor in the key, or like said above, someone tried to unsuccessfully bypass the the anti theft system. its not a super hard fix, but definitely something that the dealer should fix. 1997 - 2003 Ford F150 - 2000 F150 Theft light/won't start ...

Nov 10, 2021 ... Ford 6.4 Power Stroke: no crank, anti theft light blinking ... No crank no start 2000 f150 problem fix. ... FORD INTERMITTENT CRANK BUT NO START / ...Aug 19, 2012 · 2008 Will not crank over. Anti-theft system Problem. I have a 2008 F-350. The Anti-theft light blinks rapidly and the truck will not turn over. Give it some time or take the key out and in repeatedly and it will start. Sometimes not till the next day. I have replaced the transceiver & key. If the theft light is blinking while trying to start the truck, The vehicle has gotten into theft mode. Unfortunally there is a problem with something in the theft system. You could have a bad ignition key, Bad transponder ring on the igniton or bad PATS module. You will need to have the vehicle towed to a Ford dealer as there is no way to ...Joined: Sat Oct 25, 2003 5:13 pm. by Txgoode » Sat Mar 27, 2004 4:22 am. 5150-F150 wrote: The theft light keeps flashing but does turn off when key is turned to start position, but flashes again when key is out. Mine does this to. I thought it might be caused by the chip in the key, but that wasn't it.My theft light is blinking 1 6 code. 02 F150 FX4 Lariat, I am trying to. Lol, I tried just like the manual said. - Answered by a verified Ford Mechanic. ... My 2000 F150 Anti Theft light continues to flash and the truck won't start. Just replaced the fuel pump thinking that was it.Wiring Diagram Diagnostics #1: 2003 Ford F-150 No Start Theft Light Flashing. Question is what's next? How can I tell if I killed the PCM or if it's really in …

Something to check out and a pretty cheap fix. 1997 - 2003 Ford F150 - '02 5.4 Theft Blinking Dashed Odo. - We have a '02 5.4 (170,000 miles) that has an intermittent problem where the theft light blinks fast, the odometer turns to dashes (------) and the truck will turn over but not start. Originally thought it was a PATS system problem.Theft light is flashing on my ford truck f150 no auto door leak. 2000. F150 theft sparkys fuseTruck theft start light will ford F150 ford theft light flashing 2003Theft 1999 light f150. ... Ford 2003 theft light f150 relay flashing box fuse junction replaced fuel pump same alsoLight ford theft f150 anti 2001 truck stays Theft f150 flashing ...Mar 8, 2020 ... This is a video is of a 2000 Chevy Express 2500 Van that wouldn't start. The security light was flashing. This fix works for many vehicles ...My 2000 F150 Anti Theft light continues to flash and the truck won't start. Just replaced the fuel pump thinking that was it. It starts once in about 20 tries -- I got it to start after I replaced the …A. Use the WDS to investigate LED failure. Passive Anti-Theft System Cont. PATS customer fault codes. B1681 - fault code 11 B1600 - fault code 13 B1602 - fault code 14 B1601 - fault code 15 U2511/U1900 - fault code 16. Refer to the relevant flowchart. Wait for 60 seconds then read the fault code.

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The 2003 Ford F-150 has 3 problems reported for engine won't start- anti theft light flashing. Average repair cost is $1,000 at 119,450 miles.Tech Tip: Intermittent No-Start on Ford 5.4L V8 Truck Engine. When it won't start, there is no communication with the Powertrain Control Module (PCM). The theft light is flashing rapidly with codes U1147 and U1262 in the Hybrid Electronic Cluster (HEC). Also, the odometer just shows dashes with the key on instead of the actual mileage. Vehicle ...Ford Mechanic: Daniel Chaidez. okay that makes sense, its likely that the vehicle has lost programming of the key when the battery has died, we can reprogram the key by inserting into the ignition cylinder turning it to the key on engine off position and leaving it there for about fifteen minutes, then once the light goes off turn the key off ...Mike E December 31, 2020. The Ford F-150 theft code 16 means that the anti theft system has been triggered, and the car will not start. This system is known for being finicky, however, so it may be possible that it is not being triggered correctly, and that it will not reset with the use of the key fob or the anti theft reset procedure.2000 Ford f-150 4.6L v8 2wd Not Starting, Theft Light Blinking 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.Turn your ingnition on, the theft light should be flashing, after a few minutes the theft should go out, leave the ignition on for about 15 minutes, turn ignition off …

Alex S. December 22, 2020. Theft code 13 on a Ford F-150 means that You are using the wrong key to try to start the truck. The key in Your truck has a transponder in it and this communicates with the receiver in the truck to disarm the alarm system. If this does not match up it will give You a code. Usually a Code 13 happens the most in a ...Connect a jumper wire between diagnostic connector terminals. Leave jumper wire connected until diagnostic monitor tone sounds (about 5 seconds). Disconnect jumper wire. Fault code is cleared. Posted on Oct 13, 2008. Anonymous. 87 Answers. SOURCE: 2000 F150 parking lights and tail lights stay on.My theft light is blinking 1 6 code. 02 F150 FX4 Lariat, I am trying to. Lol, I tried just like the manual said. - Answered by a verified Ford Mechanic1997 - 2003 Ford F150 - No start, dashes on odometer - Hello all, I hope you're able to help. I just wanted to ask you all to make sure I am checking correctly. My 2004 Heritage 4.6l had a completely corroded fuse box. wipers would do what they wanted, AC didnt work, obvious leak when it rained near the drivers kick...1997 - 2003 F150 - theft light always on - I have a 2000 f-150 4 x 4 supercab with a 5.4. never had a problem till now. the theft light stays on all the time. i tried …2008 Will not crank over. Anti-theft system Problem. I have a 2008 F-350. The Anti-theft light blinks rapidly and the truck will not turn over. Give it some time or take the key out and in repeatedly and it will start. Sometimes not till the next day. I have replaced the transceiver & key.Disconnect the battery negative cable for 5 minutes. Reconnect, and lock and unlock the doors several times with the remote. Check to see if the anti-theft light is still flashing rapidly. If not, try starting. Anything more than these steps will need to be handled by a qualified shop.Oct 24, 2021 · 1997 - 2003 F150 - F150 2001 Theft light constant blinking crank no start - Hi my F150 2001 no wont start, constant Theft blinking on instrument panel, also shows service engine soon light. If the theft light is blinking while trying to start the truck, The vehicle has gotten into theft mode. Unfortunally there is a problem with something in the theft system. You could have a bad ignition key, Bad transponder ring on the igniton or bad PATS module. You will need to have the vehicle towed to a Ford dealer as there is no way to ...Have exactly the same problem on my 2000 F150, my wife borrowed the truck to go work in the shopping mall and some retard tried to steal it.Punched in the door lock and used some kind of wrench on the ignition switch.Eversince then have had an intermitent starting prob.The guys right about the shock treatment,90% of the time just have to flick ...I just replaced the instrument cluster on my 2000 F-150 with a used cluster. Now my truck won't start and the theft - Answered by a verified Ford Mechanic ... 2003 ford f-150 4.6... crank no start. instrument cluster won't come. after few minutes instrument cluster comes on, theft light blinking,,, then goes off. dashes line odometer. ...

Feb 3, 2019 · 1999 F150 Antitheft Code 11. Hello: Thanks for any help you may offer. I'm having trouble with a 1999 Ford F150 XLT 4.2L manual transmission and intermittent anti theft. Occasionally, antitheft will blink rapidly - engine will crank all day long, but won't start. I have one original key and two aftermarket keys which all work - except when the ...

That's likely where the extra labor charge came from. 1997 - 2003 Ford F150 - Theft light flashing/Truck won't start! - I have looked this up a bit and found things like fuse 30 blown, the PCM relay I think relay 2 in the foot well. And the sensor in the key. I have tried both keys and fuse 30 wasn't blown.1997 - 2003 Ford F150 - theft light - I have a 2000 f150 5.4,the theft light stays on even when the key has been taken out,I have to disconnect the battery to keep battery from draining,any ideas thanks. ... It's not flashing just stays on Reply Like 01-07-2010, 08:12 AM #4 big cube 426. big cube 426 . Join Date: Aug 2009 ...1994 ford explorer. January 20, 2018. #19. Mine is 94 Explorer, no chip key , just blinking anti-theft light that I've never seen in 4 months since I've owned this vehicle but I haven't jacked up with a tire issue fix tires, now won't start anti-theft light. Join the Elite Explorers for $20 each year.The theft indicator on top of the instrument panel will operate as. follows: - When the ignition is OFF, the theft indicator will flash briefly every 2. seconds to indicate the SecuriLock system is protecting your. vehicle. - When the ignition is turned to ON or START, the theft indicator will. light for 3 seconds and then go out.Alaska Airlines is offering one-way flights starting at just $29 for select routes. Following a flash sale a mere three days ago, Alaska Airlines is back with a one-day deal offeri...According to Ford’s vehicle glossary, its cars are equipped with anti-theft systems that include alarms, horns, keys and locks. Ford vehicles have an anti-theft indicator lamp that...Theft light flashing fast- truck (2002 f150) will not start, Wi, Lariat F150 -No-which fuses are for that? How do I - Answered by a verified Ford Mechanic. We use cookies to give you the best possible experience on …Joined: Sat Oct 25, 2003 5:13 pm. by Txgoode » Sat Mar 27, 2004 4:22 am. 5150-F150 wrote: The theft light keeps flashing but does turn off when key is turned to start position, but flashes again when key is out. Mine does this to. I thought it might be caused by the chip in the key, but that wasn't it.2002 F-150: fuel pump relay..dashboard gages..theft light I extracted the fuel pump relay with the battery still connected on a 2002 F-150. The dashboard gages are now malfunctioning and the truck will not start.Also, the theft light is flashing.Dec 16, 2013 · Security Light Flashing. Need Help. 05 F150 FX4 5.4L 3V engine died while driving. Will not turn over. Security light on dash blinks rapidly and the EVAP Canister surge Valve clicks and the Throttle Body motor vibrates and surges when key is turned to run. Check engine light is on and wrench light is on. Vehicle will not crank, turning the key ...

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Jun 24, 2021 · When PATS is activated, an anti-theft indicator light will flash every 2 seconds to show that the system is functioning and to act as a theft deterrent. When you turn the ignition to the on position, the light will glow for three seconds and then go out. Jun 1, 2021 · Received 80 Likes on 64 Posts. When I got my truck the theft light was always flashing even while running and driving. I later learned that someone had installed an ECM from a 2000 E150 van and somehow it was working fine except for the PATS. I later replaced the ECM and reprogrammed PATS. Jul 7, 2009 · Hi there Lisa. the theft lamp blinking like that indicates a concern with the Passive anti theft system (PATS system). Unfortunetly there is no way to bypass this system, that is why it makes a good security system. I have heard of times when people unhooked the battery for awhile (30 minutes) the rehooked and everything was ok. hi all. i have a 2000 f 150 xlt 4.6 im stumped on this issue. the issue im having is the dome light keeps flashing ( like when you have a turn signal bulb burned out ) a fast blinking. when i hit the key pad unlock the flashing stops but after a min it starts flashing again i pulled the yellow fuse ( small yellow fuse box bigger then a reg fuse ...The anti -theft light keeps flashing on the dash and the car will only wind over and of course will not start. My auto electrician is pulling his hair out. ... 2000 Sport 4x2, 4.0 ohv, 5R55E w/Superior shift kit, 3.55 diff, Mazda truck alloys/BFG TAs, RoadMaster Active Suspension, EE anti-sway bar, F&R poly bushings, camber kit, …Jan 2, 2010 · Something to check out and a pretty cheap fix. 1997 - 2003 Ford F150 - '02 5.4 Theft Blinking Dashed Odo. - We have a '02 5.4 (170,000 miles) that has an intermittent problem where the theft light blinks fast, the odometer turns to dashes (------) and the truck will turn over but not start. Originally thought it was a PATS system problem. My theft light is flashing and truck is getting no fuel. Fuses are good and not sure how to reset comp. 2000 f150 4.6l - Answered by a verified Ford Mechanic. We use cookies to give you the best possible experience on our website. ... I have a 2000 F-150 with anti-theft and a remote car starter, ...1st problem: truck would turn over but wouldn't start. Odometer reads: -------- (all dashes) Theft light always blinking. 1st repair: New PCM, battery, PCM relays ($1100) 2 days after getting it out, had to be towed back to the dealer, wouldn't start again. 2nd repair: Another new PCM. a few days later, had to be towed again, wouldn't start.no change anti theft light flashing and wont crank. ok. the anti theft light flashing isnt a concern. check for power on position 2 of starter relay plug with the key on. 0.57 volts on position 2 with key on. ok. we definitely have an issue at …Jul 19, 2015 · 1st problem: truck would turn over but wouldn't start. Odometer reads: -------- (all dashes) Theft light always blinking. 1st repair: New PCM, battery, PCM relays ($1100) 2 days after getting it out, had to be towed back to the dealer, wouldn't start again. 2nd repair: Another new PCM. a few days later, had to be towed again, wouldn't start. 1997 - 2003 Ford F150 - theft light - I have a 2000 f150 5.4,the theft light stays on even when the key has been taken out,I have to disconnect the battery to keep battery from draining,any ideas thanks. ... It's not flashing just stays on Reply Like 01-07-2010, 08:12 AM #4 big cube 426. big cube 426 . Join Date: Aug 2009 ...The dash lights are, check engine, abs, battery light, brights and so on are dimming in and out. Also the code flashing for the theft is a a code 11 as well. One blink then about two seconds another blink. Watched it cycle 5 or 6 times. Last but not least I had a lock smith come out to try and reprogram all 3 keys. ….

Mar 8, 2020 ... This is a video is of a 2000 Chevy Express 2500 Van that wouldn't start. The security light was flashing. This fix works for many vehicles ...Help, flashing "security" light. On an '08 E-450 stripped chassis (not an truck, i know) with gas engine. The "security" light (car with lock icon) flashes rapidly when the ignition is turned on and the digital odometer goes to flatline. After one minute the icon gives a flash code (?) of 1 - 6.Thread Starter. Join Date: Jul 2014. Location: Mississippi. Posts: 460. Likes: 1,679. Received 64 Likes on 54 Posts. Theft light flashing. Hello to all. I just got a 2002 …by Bigtrucks » Sun Aug 02, 2015 7:48 pm. So my 2001 Ford F-150's anti theft system is acting crazy! Sometimes it will let me start it and then sometimes the anti theft light will blink rapidly, the lights inside will blink and there is a clicking noise when I try to start it. I have been disconnecting the battery for a quick fix but it's ...Thread Starter. Join Date: Dec 2013. Posts: 4. Likes: 0. Received 0 Likes on 0 Posts. Security Light Flashing. Need Help. 05 F150 FX4 5.4L 3V engine died while …Jun 14, 2016 · This 2003 Ford F150 came in with the complaint that the engine would not fire up and run. The starter worked, the theft light flashes quickly and the odometer reads all dashes instead of numbers. Scanning the PCM found that it would not communicate with the scan tool. There was a code U1262 ( missing standard corporate protocol communication ... Several aspects can cause your new or old (2000 – 2018) Ford F150 Theft light blinking won’t start issue. Let me explain a few of these reasons and how to fix them below: Causes: Repairs: Bad PATS fuses: ... The old or new 2017 Ford F150 Theft light blinking but won’t start issue can occur when the key itself is faulty. You can easily ...The anti theft light is flashing rapidly when I turn the key. The codes being thrown are - Answered by a verified Ford Mechanic ... My 2007 F150 is not starting. The anti theft light is flashing rapidly when I turn the key. The codes being thrown are B1601 and B1342. ... Need to understand why my 2000 Ford Mustang 3.8L V6 fuel pump is not ...After it does, it'll flash a 2 digit code similar to how the airbag does. I was able to use that code to solve my PATS issue on my last truck. It was a simple $5 PCM relay. 1997 - 2003 Ford F150 - Theft light flashing - Hey yall I've had some problems with my truck starting and sometimes the theft light will be flashing while I'm driving could ...When your car’s battery light starts flashing, it’s a clear sign that there might be an issue with your alternator. The alternator is responsible for charging the battery and power... 2000 f150 theft light flashing, I have been messing with it all morning and here are some things I have figured out: 1. If the key is in the ignition in the on position for more than a few minutes, the theft light doesnt blink as fast, and eventually stops. However, even after the theft light stops blinking, the car will not start. 2., put key in ignition turn your key to run and back to stop position 8 times on the 8th time leave it to the on position security light will blink then go off.You should hear door locks activate,this is good .With the key in the on position push all of the buttons on the fob,Turn key off .should start It should start ., Re: '02 F-150 pats code 16. by projectsho89 » Sat Aug 12, 2017 6:05 pm. The symptom of all dashes on the odometer display indicates that the PCM and the cluster could not establish communications within the allotted time (5 secs, IIRC) after power-up. This will ALWAYS trigger a PATS shut-down., Security Light Flashing. Need Help. 05 F150 FX4 5.4L 3V engine died while driving. Will not turn over. Security light on dash blinks rapidly and the EVAP Canister surge Valve clicks and the Throttle Body motor vibrates and surges when key is turned to run. Check engine light is on and wrench light is on. Vehicle will not crank, turning the …, 1997 - 2003 F150 - F150 2001 Theft light constant blinking crank no start - Hi my F150 2001 no wont start, constant Theft blinking on instrument panel, also shows service engine soon light. ... 2000 F150 5.4 4x4 150,000 miles will not start. Darthange. 1997 - 2003 F150. 5. 05-14-2011 04:16 PM. 2001 F150 won't start when 'cool' jonesav., Mar 13, 2016 ... Wiring Diagram Diagnostics #1: 2003 Ford F-150 No Start Theft Light Flashing · Comments17., Roof flashing plays a significant role in house construction. And a home or building with poor roof flashing installation is prone to several problems, Expert Advice On Improving Y..., Connect a jumper wire between diagnostic connector terminals. Leave jumper wire connected until diagnostic monitor tone sounds (about 5 seconds). Disconnect jumper wire. Fault code is cleared. Posted on Oct 13, 2008. Anonymous. 87 Answers. SOURCE: 2000 F150 parking lights and tail lights stay on., PATS Problem Theft Light 2002 F150 4.2L. by njohnson08 » Tue Jul 18, 2017 2:17 pm. I replaced the fuel filter before realizing this was a PATS problem. I believe mine is most certainly a PATS problem. When I turn the key to the ON position the theft light flashes repeatedly and when I crank it does not ignite., Sep 19, 2015 · 1994 ford explorer. January 20, 2018. #19. Mine is 94 Explorer, no chip key , just blinking anti-theft light that I've never seen in 4 months since I've owned this vehicle but I haven't jacked up with a tire issue fix tires, now won't start anti-theft light. Join the Elite Explorers for $20 each year. , Have exactly the same problem on my 2000 F150, my wife borrowed the truck to go work in the shopping mall and some retard tried to steal it.Punched in the door lock and used some kind of wrench on the ignition switch.Eversince then have had an intermitent starting prob.The guys right about the shock treatment,90% of the time just have to flick ..., The starter relay is responsible for sending power to the starter motor, and if it fails, the engine won’t turn over. Other possible causes include a dead battery, a blown fuse, or an issue with the ignition switch. If your truck won’t start and the theft light is blinking, try checking these things first. If your Ford F150 Theft Light ..., 3.2K. 617K views 6 years ago. Seen several posts online about rapid flashing theft lights, and the no starts that come with it. Made a small clip describing how to decode it, and possible..., Oct 24, 2021 · 1997 - 2003 F150 - F150 2001 Theft light constant blinking crank no start - Hi my F150 2001 no wont start, constant Theft blinking on instrument panel, also shows service engine soon light. , The flashing anti-theft light was telling you the answer. Key. Insert the key into the driver's side door lock. Turn the key once, but not all the way to unlock the door. Leave the key in this position for 40-60 seconds. ... Do this again, but turn the key in the opposite direction., 1To reset the F-150’s anti-theft system and continue using your original key fob, start by inserting the key into the ignition and turning the truck to “accessory” mode (this means turning the truck on without actually turning on the engine). 2From there, leave the key in the ignition and in “accessory” mode for 10 minutes., Jul 13, 2016 · 02-26-2007 11:24 PM. /. 1997 - 2003 F150 - 2001 F-150 won't start (anti theft related) - My 2001 f150 is not starting up. The anti theft light flashes and then eventually slows down and flashes one time, pauses and then flashes two more times. The odometer still shows my mileage as I know some people with this issue just get dashes. , 2002 F-150: fuel pump relay..dashboard gages..theft light I extracted the fuel pump relay with the battery still connected on a 2002 F-150. The dashboard gages are now malfunctioning and the truck will not start.Also, the theft light is flashing., Security Light Flashing. Need Help. 05 F150 FX4 5.4L 3V engine died while driving. Will not turn over. Security light on dash blinks rapidly and the EVAP Canister surge Valve clicks and the Throttle Body motor vibrates and surges when key is turned to run. Check engine light is on and wrench light is on. Vehicle will not crank, turning the key ..., Mar 16, 2021 · Remove the ignition switch lock cylinder. 1 Insert the ignition key and turn to the RUN position. 2 Using a 1/8-inch drift through the access hole, press the ignition switch lock cylinder release pin while pulling out the ignition switch lock cylinder. Twist the tilt wheel handle and shank to remove. , Wiring Diagram Diagnostics #1: 2003 Ford F-150 No Start Theft Light Flashing. Question is what's next? How can I tell if I killed the PCM or if it's really in …, My theft light is blinking 1 6 code. 02 F150 FX4 Lariat, I am trying to. Lol, I tried just like the manual said. - Answered by a verified Ford Mechanic, Many children are victimized by identity theft, so a good understanding of how child identity theft occurs and can be prevented is essential for all to have. By clicking "TRY IT", ..., September 1, 2000. When a Metrobus driver realized yesterday that a man had sneaked aboard and appeared to be changing his clothes, the driver flipped a switch to make the …, Remove the ignition switch lock cylinder. 1 Insert the ignition key and turn to the RUN position. 2 Using a 1/8-inch drift through the access hole, press the ignition switch lock cylinder release pin while pulling out the ignition switch lock cylinder. Twist the tilt wheel handle and shank to remove., 2000 F150 theft light blinking... 2000 F150 theft light blinking on and off. Turns over fine but won't start. Truck has been running fine up to this point. Show More. Show Less. Ask Your Own Ford Question. Share …, Feb 3, 2019 · 1999 F150 Antitheft Code 11. Hello: Thanks for any help you may offer. I'm having trouble with a 1999 Ford F150 XLT 4.2L manual transmission and intermittent anti theft. Occasionally, antitheft will blink rapidly - engine will crank all day long, but won't start. I have one original key and two aftermarket keys which all work - except when the ... , 1997 - 2003 Ford F150 - 2003 f150 4.6 anti-theft light blinking no start - I've been fighting this problem for 3 weeks now. My pickup left me stranded at Home depot.It was working just fine when I got there when I came out it was no start at all that's when I notice the anti-theft light blinking rapidly. Not knowing..., 1st problem: truck would turn over but wouldn't start. Odometer reads: -------- (all dashes) Theft light always blinking. 1st repair: New PCM, battery, PCM relays ($1100) 2 days after getting it out, had to be towed back to the dealer, wouldn't start again. 2nd repair: Another new PCM. a few days later, had to be towed again, wouldn't start., The first and easiest thing to try is pressing the alarm button on your key fob which should deactivate the alarm and reset the system. If that doesn’t work, the anti-theft system could have been triggered for a different reason. The next thing you should check is the door lock cylinder to make sure it isn’t damaged., 3.2K. 617K views 6 years ago. Seen several posts online about rapid flashing theft lights, and the no starts that come with it. Made a small clip describing how to decode it, and …, 1997 - 2003 Ford F150 - 1999 F150 4.6 Won't Start. Anti-theft light flashing - Hi, I have a 1999 F150 with the 4.6. My dad and I replaced the radiator support and now it won't start. It ran fine before but now it won't start. I've tried a lot of things to get it to start and none of them worked. I tried leaving the..., general f150 discussion - (help) anti-theft light blinking - :censored:okay i have 2 ford trucks one is 2000 f-150 extra cab and the other is 2002 f-150 crew cab. both vehicles is down both of them have the anti-theft light blinking. both trucks won't start, it will crank but it doesnt start up. i toke my 02 crew cab...