Question about 2001 Chevrolet Impala

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I have a 2001 impala , the security light flashes and vehicle will not start , is the a fuse or breaker i can buy to fix this , it seems to be getting worse

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The fault is in the key tumbler. If you checked for codes the code would indicate the key was not reconized. This usually is because the tumbler is getting warn out. One day it will not start at all. Get it fixed before you end up stranded.

Posted on Jul 16, 2010

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2001 chevy impala security light, turn signals, power locks


I suggest that you go to the dealer for help, because they will know if the problem has occurred before, and how to fix it.

Nov 15, 2011 | 2001 Chevrolet Impala

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Security light came onm and car would not start could not even get the remote locks to work and all lights stayed on. We unplugged the battery and left the cra overnight. Went back the next day and hooked...


The security light is a real common problem on GM vehicles. You can fix this yourself, read this link for information, symptoms, and ways to fix it. http://vatspasslockpasskeysecurityhelp.yolasite.com/

The air conditioning probably got messed up when unhooking the battery. Id be looking for a fuse or relay that has been tripped.

Jul 04, 2011 | 2003 Chevrolet Impala

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Car has to be charged every time to start, I need diagrams or pictures of the different fuses, I want to unplug the radio fuse and the security fuse I don't what they look like in the fuse panels


You cant unhook the security. This is directly tied to the starter and/or the fuel injectors part of your computer. If you have a 2000 - 2003, the radio is also hooked through the security and will shut down your vehicle if removed. This same problem is happening in my girlfriends 2001 impala. We are saving some money to buy the 180 dollar wire harness so we can eliminate the radio and put in an after market one. Im hoping this will keep the broken stock one from killing the battery every other night. As far as security systems go, here is a link all about that. http://vatspasslockpasskeysecurityhelp.yolasite.com/

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2001 chevy venture security light on wont start


It may be as simple as trying a different key but the security systems on gm vehicles have had problems with the ignition cylinders going bad and preventing the car from starting.

May 19, 2010 | 2001 Chevrolet Venture

1 Answer

2001 Chevy impala had ignition switch replaced, once i turn the key, "security" flashes on screen and car won't start. How do I fix this so that the car will start?


Turn the key to "on" and let the light flash. It should stop flashing after about ten to twenty minutes. Once the light is on steady, turn it off, then start the car. I usually put another battery on jumper cables attached to the cars battery so it does not run down and die before the system re-arms.

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1 Answer

How can i reset my passlock system on my 2001 impala


Passlock system is crazy, GM should be terminated for good just for coming up with this system and putting it on all there vehicles. to me this is by far one of the worst goofs of all time, but I think they had it planned as a money making scheme to begin with...Anyways if your security light on the dash is flashing first try unplugging your battery and wait a few minutes and hook it back up. If the light is still on it wont start. proceed to step 2, turn your key forward all the way to the farthest on position. Now go have a drink talk on the phone whatever just wait 15 mins and come back. If the security light is now off, turn the key off and wait 5 or ten seconds and your car should start.. If the light is still blinking or staying on it wont' start. step 3...try a different key if you have one and do the 15 min mess all over again. Hope you have a strong battery. If that doesn't work you probably will need to get your ignition key switch replaced. I Buy them at local part stores, Orielys and off ebay for under $100. The GM dealer wants about 500+ to do this. **** on them, do it yourself or get a friend to.

Aug 16, 2009 | 2001 Chevrolet Impala

2 Answers

2001 impala won't turn over sometimes security light doesn't come on or flash anytime


Several GM products, including the Chevrolet Impala and Malibu, the Oldsmobile Alero, the Pontiac Grand Prix, and Saturn Ion, have issues with the Security light coming on. This is many times an indication of a failing Body Control Module (BCM). Initially, the Security light will come on then go off, progressing to a constant on light, before the car will refuse to start. Other symptoms may include erratic action of electronics, a clicking sound coming from the glove box, and the air conditioning failing to blow cold air. I recommend a shop that specializes in the electronic systems of vehicles to diagnosis and make the necessary repairs. They should keep the car until they replicate the symptoms described. A new BCM from GM should cost about $230; plan on another $200 for them to diagnose the problem, replace the unit, and program the new unit. The dealers quote between $700 and $1,100 for the same repair. My experience and the experiences I have read on the internet, indicate the new BCM should last only about a year.

Jul 09, 2009 | 2001 Chevrolet Impala

2 Answers

Security System


Several GM products, including the Chevrolet Impala and Malibu, the Oldsmobile Alero, the Pontiac Grand Prix, and Saturn Ion, have issues with the Security light coming on. This is many times an indication of a failing Body Control Module (BCM). Initially, the Security light will come on then go off, progressing to a constant on light, before the car will refuse to start. Other symptoms may include erratic action of electronics, a clicking sound coming from the glove box, and the air conditioning failing to blow cold air. I recommend a shop that specializes in the electronic systems of vehicles to diagnosis and make the necessary repairs. They should keep the car until they replicate the symptoms described. A new BCM from GM should cost about $230; plan on another $200 for them to diagnose the problem, replace the unit, and program the new unit. The dealers quote between $700 and $1,100 for the same repair. My experience and the experiences I have read on the internet, indicate the new BCM should last only about a year.

Jun 24, 2009 | 2003 Chevrolet Impala

4 Answers

Car won't start when security light is blinking


Vehicle anti-theft (VAT) system is not getting proper reading from the ignition switch. Your key has a resistor built into the head of the key (a silver bar on a black backing). Shine up this bar with some fine steel wool on both sides of the key. Possibly the wiring in the steering column that leads to the VAT module has gone bad or the connections in the ignition switch that mate up with the key's resistor no longer connect properly. End result: the starter and fuel injection system remain dead when all else seems normal............Security light on dash will stay on/flashing. There will be a 3 minute dead/reset period between each unsuccessful start attempt.

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