Question about 2003 Chevrolet Impala

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How can I bypass the security code

I turn my key on to start my car but it wont do anything

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This might help with the bypass security have problems with this as well but I don't have original radio that came with my car. Chevy Impala No start Security light on FREE FIX with your finger This is a you tube link.

Posted on Jul 30, 2015

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Howard is right... make sure the basics are good; battery starter, voltage, etc.
I had a 2002 impala that would occasionally get a no-start with a flashing security dash light. Wait 15-30 minutes and it might start. I eventually found that there were a lot of GM cars around 2002 that had issues with the PassLock security system. The correct fix is to replace the ignition switch and key.
I ended up bypassing the PassLock system:

Posted on May 19, 2015

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  • Chevrolet Master
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Why do think the key security is bad? If you still have a factory key, this is not the problem...if no factory key, you can take your VIN number or original key to GM dealer to get new key that they will program for you...Check for dirty battery connections:)

Posted on May 15, 2015

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Posted on Jan 02, 2017

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SOURCE: security light comes on.

Sounds like your ignition switch is faulty.Not the key switch. The ignition switch itsel is at the lower end of steering column. Good luck.

Posted on Jul 19, 2009

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SOURCE: where do find out how


Posted on Dec 18, 2010

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SOURCE: i recently put a new alternator in my 1995 camaro.

The problem is your Vats security system. This causes the car to either "not start" or "shut down" while running. (depending on the system) If the security light flashes, i guarantee that this is what the problem is. 1st trick, turn the key forward 2 clicks till right before it would normally start, leave like that for 10 minutes. ( no less ) After 10 minutes, turn key back then forward and your car might start. Cheap fix: ----- ----- Bypassing the key Never worry again fix: -------- ----- With this fix, you can take that whole Vats, passlock, passkey **** system out of your car all together. Good info on both sites

Posted on Jan 12, 2011

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SOURCE: 1994 v6 camaro car wont start because of security light

Without going into a lot of detail, I take it that this Security light gadget is a anti burglar device to really just stop the 'joy-riders' from nicking your vehicle. Follow wires back to were its connected to, the power supply end. [If fuse box, try removing fuse, or is it inserted into a cable bullet? remove from bullet socket]. If unit works by completing a circuit, replace this mechanism [the whole unit], with a new length of correct voltage /ampere type cable inserting [or connecting replacement as other connection is removed, so you will not forget just where the cable came from.

Posted on Nov 11, 2011

  • 42984 Answers

SOURCE: security system light on car wont start

Take neg wire off battery for a few minutes

Posted on Feb 08, 2015

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2 Answers

No battery problem either

My guess is that after it ran out of gas, the key was in the forward position for a while and you unknowingly interrupted the antitheft system. Try to reset it.

Turn the key on, with the engine OFF.
Try to start the engine, then release the key to ON, Engine will not start.
Watch the security telltale, after about 10 mins, it will turn OFF.
Turn OFF the ignition, and wait 5 seconds.
Repeat steps 1 through 4 two more times for a total of 3 cycles/30 minutes. You must turn the ignition OFF for 30 seconds before attempting to start the vehicle after the 3 cycles. Then start the engine .

Do It Yourself GM Security bypass

Oct 10, 2016 | 2000 Chevrolet Cavalier

1 Answer

My security light is on, on my 97 bonneville, my car wont start does the chip in the key have anything to do with starting it, or the light on?

The chip in the key is not a chip, it is a piece of resistive wire, the key reader See's the resistance of the key is correct and allows the car to start. The common cause of the problem you have is the reader in the ignition lock cylinder. You can't buy that part anymore so you must bypass it, this of course will disable the security system (called the VATS system). Here is how you bypass it, go here to read about the procedure.

Jan 18, 2013 | Cars & Trucks

1 Answer

Car wont start till i turn key on for 10 minutes

Sounds like a security passcode issue. There is a chip inside the ignition and if your key does not have a chip in it, this is probably the problem. You can bypass the security lock feature but its a pain in the kisser. Unfortunately, that maybe the only solution to bypass the system or you can do nothing except before letting the key go when you start the car make sure it is started.

Dec 28, 2012 | 2003 Oldsmobile Alero

2 Answers

Lost 1995 keys to 1995 cadillac eldorado. How can i obtain w/o spending 100's

This car key has the VATS security chip in it. These keys are at least 100 bucks. You can rip into the ignition part and start the car with the wires, but it wont work untill you bypass the SECURITY system. Here is a link about the security. Gives you the 15 possible key chip codes and links to help bypass this system.

Jun 06, 2011 | 1995 Cadillac Eldorado

1 Answer

Car wont start, the security light is blinking and the car wont start

Your VATS security system is failing. Quick fix, turn key forward 2 clicks till right before it starts. Leave it for 10 minutes. (no less) turn back key and then start again. should be fine. Getting these fixed is about 800 bucks. They sell a bypass for 200 online. I did the "10 minute trick" for over a year, till finally the Computer went. I ended up doing the 200 dollar bypass. Works great, no worries.
Wont crank, wont start, everything else seems fine???? Black chip on key? Read up on this link

Jan 10, 2011 | Buick LeSabre Cars & Trucks

2 Answers

2003 Ford Expedition need extra key- I think needs key with chip

any locksmith can make a new key, yes its expensive.

Dec 04, 2010 | 2003 Ford Expedition

1 Answer

Turn ignition key and engine cranks but wont start. Does the security system need to be bypassed or maybe it's a problem with the coded key. Any suggestions?

the security light should be on if its causing the problem,do you hear the fuel pump when you go to start it,should hear a hum for a couple of seconds,does the key have a small plus sighn on it ?

Dec 12, 2009 | 2001 GMC Jimmy

1 Answer


Yes It may be the security. Leave the key on for 15 min. than turn off and try starting the car. The PCM will relearn security codes and alow fuel and starter signal. Tell me haw it worked.

Nov 03, 2009 | 1997 Oldsmobile Aurora

1 Answer

Car wont start

as long as security theft system is on, car wont start.

don't you have the remote key to disable the theft system?

you can bypass security but you have to have wiring experience and splicing before you can proceed.

tnx 4 using fixya,


Oct 14, 2008 | 2000 Cadillac DeVille

5 Answers

Trouble starting....

check battery connection. make sure terminals are clean. and make sure the terminals are not loose when connected

Aug 14, 2008 | 1996 Toyota Camry

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