LeSabre :: Won't Start / Security Light Flashing But No Headlights
Jan 10, 2016
My wife stopped at a local store(car running tip top as usual)turned off the car. As she came out of the store after about 20 mins. NO START! Security light is flashing all interior lights,radio etc work but NO headlights and if you turn signal it blinks real fast like a bulb out condition! The fuel pump does its prime up etc. NO CRANK,after say 15 seconds security light goes out,still NO CRANK!I did 10 minute reprogram(key in accy for 10-20 min) -no change!I also tried the valet key!NO GO!!!
I know GM had a few security problems but I have been out of the mechanic loop since losing the use of my legs!
2001 Buick Lesabre
6cyl automatic
155,000 miles
passkey 3 with transponder on outer ignition ring
battery is new and loads out fine
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My buick has a weird problem, basically it wont start the security light comes on, nothing and i mean absolutely nothing works inside of the car and the power window circuit breaker under the back seat is burning hot, obviously its an electrical problem but I am thinking its the body control module but I want to be sure .... what it could be?
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Every once-in-a-while I've noticed a "security" light is illuminated on my dash-board. When this happens, I can't start my 92' Buick LeSabre for about 5-minutes or so. Aggravating, to say the least. Is there something I can do? Including "disabling" it?
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First my security system started going off for no reason.Second the odometer quit working (it will go forward a few miles and then back a few miles).Third the running lights and headlights started flashing on and off. Not at a paticular interval but it seems to be as the "security warning light" flashes on and off. It is currently at Performance Chevrolet in Elizabeth City, NC and they have not been able to determine the problem. It has approximately 90,000 miles on it.
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I have a 2000 Silverado 1500 4.8 liter v8. On my drive to work this morning the headlights and the cluster light shut off and the security light illuminated and has been on ever since . The truck will crank and run fine I have brake lights and turn signals and reverse lights. I have read that this problem can usually be traced back to the body control module. I located the TBC fuse under the hood and it was blown. so I replaced it with another 10 amp fuse and it blew immediately after I inserted it. So I am thinking if I am able to rule out a ground or bare wire somewhere then the module itself may just have to be replaced.
The next question I have is due to the security light staying on in the cluster all of the time. Assuming that I can continue to drive the truck while waiting to have the BCM replaced I would only need to ensure that I did not drive after dark as I have no headlights. But I am concerned that the security light being on all of the time will drain my battery. Do the security light remaining on will in fact drain the battery? And if so, is there a way to disable the cluster and door security light so that I may continue to drive it and not have to come home and disconnect the negative cable every
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My girl has a 20004 Alero and she has the security problem at least one time almost everyday. When she tries to crank it, the sec light will be flashing. She turns the key to the on position for 10 mins. The light becomes solid. Then she can crank it.I have seen a video on YouTube of someone putting a toggle switch on the security wire on a Grand Am. Can I put this toggle bypass on her vehicle or is there a better fix?
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Security light constantly flashing whether running or not. Key fob doesn't work but battery is good (master key), car will start and drive fine though. The power locks don't work, top will not go down, gas door won't open with the button in the cabin (manual release from trunk is ok), trunk won't open unless I use manual release, the electric steering wheel works but not automatically and won't retract to the stored position, auto up/down on windows won't work, pass window control on driver door doesn't work but works on pass door, seat settings won't store, dome light doesn't come on when doors open and doesn't register them as open but puddle lights come on, fuses ok, power mirrors don't work, power seats and everything works individually. I think that covers everything.
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I have an 02 Monte Carlo SS. I have an aftermarket remote start on it. While I am driving the security comes on and the headlights flicker for about 2 seconds. Ive never had any problems with the car not starting or the radio locking. Every time i shut the car off it takes about 10-15 minutes for the security light to come on. Car drives fine with the security light on.
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Having an issue with my 2002 GP GT. I started it, but then it died after a couple of seconds while the "Security" light was flashing.
I actually had both original keys with and tried each to no avail (same thing: starts, but engine kills after a few seconds). I checked the PassKey III fuse and even replaced it - still no luck.
Called two different dealer service departments and they suggested turning the key to the "ON" position and leaving it for 15 minutes. I tried this 3 times and still the same issue.
I understand this can be a VERY expensive repair as I've read it requires replacing the ignition module and perhaps the Theft Deterrent Module. How to at least temporarily by-pass or reset the system so I don't have to get it towed (of course it's no where near my place).
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I purchased a nice 03 Buick lesabre with only 40,000 miles mint , well after driving and enjoying it now for 2 months, I now have a red flashing light left top side of my radio. However it still works and it does go off when I start the engine, what does this mean because I pulled out the manual and this is what I have, is it a normal thing that was just delayed in happening for some unknown reason?
Buick radio flashing light : JPG1023x697 75 KB
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I have my toyota pirus 2008 and i'm facing problem with it electric door locks. it's Security light flashing on the dash and the electric door locks won't unlock from the inside of the car but will lock. so i'm looking for a locking for locksmith who can solve it asap.
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I have been having issues with a security malfunction in my car. Every great once in a while, most of the time when it rains, my security function in my car gets tripped and I am unable to start my car. The security light on my dash lights up and I have to wait 5-10 minutes for it to go off before I can start my car. I'm sure it's just a bad fuse but it can be very inconvenient sometimes and make me late for work! Where to even begin to look and I'm afraid if I start pulling wires that I might get locked out of my car completely.
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My father-in-law has a 2008 f-250 with the 5.4. as he was driving a while back all the gauges of the dash quit. The engine still kept running without any noticeable difference but when he shut the engine off and tried to restart, it wouldn't even crank but the security light was flashing. He tried starting it again a few hours later and it started just like normal and ran fine.
He has had this problem occur several times in the last few months, but the other day it repeated the problem again and would not restart for about 5 days. He has tried charging the batteries, changing relays, checking all fuses and finding none blown, scanned it with his code reader, and checked the steering column for bare or rubbed wires.
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I have a 2006 GMC Canyon i5 4x4 with 86000 mi. The problem started about 3 years after purchase. I would try to start the truck the starter engages but doesn't start, let off the key and the security light on the dash starts flashing. The manual instructs you to leave the key in the run position for ten minutes turn to off and retry to start. This usually works, on a couple occasions, I've had to do this twice. I've had the vehicle to the dealership with no results, it doesn't leave a code on the computer and hasn't happened while they had it. They tell me everything checks out fine but the problem still persists. I hate having a vehicle I can't depend on.
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I have a 2007 Camry XLE 6cylinder...131000 miles on it.
I have just begun to notice that when I begin driving off with the vehicle at night, the headlights flash once. All 4 headlight lamps have been changed once and 2 of them have been changed twice in the past 8 months. I just replaced the high beam on the driver's side about 6 weeks ago, and now that same bulb is gone again.
The garage has done all the changes except the last one which I replaced with a Sylvania 9005 bulb. It is behind the battery which was a pain to change. This time I will remove the battery hopefully. I changed it myself because the last time I took it to the dealership, that 1 bulb change was $32.00! BTW...it still has the original battery in it.
What could be causing these bulbs to go? and the one time flashing? If I remove the battery, and then change the bulb, is there anything I need to do after reconnecting the battery? I am not a mechanic...does it make any difference which post I remove first on the battery?
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I have a 93 firebird. it has a new engine ,starter and battery. fuse under hood is good. turn switch lights work as usual .
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I have a 2000 Chevy silverado. I recently was having problems with the transmittion not switching correctly. Long story short the shop told me to fix the problem I had to put in
A new transmition as well as a new computer which I did, from another Chevy. It worked for a few days then The truck was not starting and had security light on. Had alarm specialist take look and he said the computer had to be reprogrammed. It was reprogrammed at merles. And was still not working. Its unable to start, starts at random once in a long while. ignition switch was changed and still gave same problem. Took to another shop they had a specialist take a look and he said the computer had to be reprogrammed again.
Also would it be possible to bypass the anti theft system by adding a remote start, or cutting some wires. I just really need to get this truck running.
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I have a 99 Suburban k1500 that will start and stall out after a few seconds. The security light is on constantly and will not reset after trying all the procedures listed. I have even tried the resistor bypass trick using 3200 ohms as required in procedure. Light would go on and off intermittently for several months on regular pattern and would restart and run fine after setting for a few hours or overnight. Now it has been weeks after a tow home and nothing seems to reset it or work in bypassing it.
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I first thought my issue might be the ignition switch or maybe the neutral safety switch but through some info I've come to realize that my issue appears to be from the anti theft system. I did a test where I turned key to start and backed off to run and then leave car for 10 minutes. I did this 3 times and it was supposed to go around the security system and then try to start but it didn't. I went through two trials with the same result. On the first of 3 times in each of the two trials the security light was not on but the 2nd and 3rd times it stayed on. I've heard this problem can be nearly impossible to trace and repair.
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For the past few months security light of my 2003 Alero keeps on activating preventing the engine to start or it doesn't even crank.
I always do the reset technique..."Turn ON the engine key for about 20 minutes and wait till the flashing security light become solid before starting the engine." Today when I started the car the security light comes ON and stays on for my whole 50 Kilometers travel. When I reached my destination,I tried to turn ON and OFF the engine waiting for my luck to have the solid security light to come OFF,but no luck.
Will this problem have any effect on the performance of the car? Will the car stall while I'm on the road?
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I've read tons of posts about the security system and passlock on the ignition...but my truck does not have a chip key, as the dealer even looked into the key issue with me. There is no chip or resistor on this thing at all.
So, with that said, I have the identical problem as the passlock system people do. The truck will start, then stop, and the security light flashes at me. That's the last thing I want flashing me at 6am when I'm trying to leave for work.
It only happens about once every 2-3 months, but I want to eliminate the problem as I have a feeling one day it's not going to start on me and then the real problems will start...
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