Question about 2003 Chevrolet Silverado 1500

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How do I bypass security, since truck has been off for months. It has a new battery but it still does not turn on?

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There is no way to bypass the factory theft system. try leaving key on for ten minutes to relearn and see if it starts

Posted on Oct 07, 2010

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3 Answers

How can I bypass the security code


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:)

Apr 30, 2015 | 2003 Chevrolet Impala

3 Answers

2004 Alero wont start!


sound like theft security problem.when you try ten minutes did you leave ignition switch on position for ten minutes until the security light turn off then turn off ignition switch for 5 seconds then try starting vechicle.when you do 10 minute trick security light has to turn off or disappear when you see security light go off turn off switch 5 seconds then try starting vechicle.

May 22, 2013 | 2004 Oldsmobile Alero

1 Answer

Car was rinning perfect. One day it would not start. there was nothing, no clicking ,bell and guages were working. Jump start was nothing. Installed a new battery there was nothing. Went bact back 2 hours...


It sounds like you have an issue with your PassLock security system. I had the same with my 2002 Impala. Key turns OK, but won't start, won't crank. Wait 20-30 minutes, and car starts normally. There is usually a clue from the Battery and Security lights.
The problem starting to happen once a month, and eventually 1-2 times a week.
There are several write-ups on this problem for several GM cars for 2000-2006(?). Search this website, and search the web.
The official solution is to replace the ignition switch. The best solution is to bypass the Pass Lock system. I went ahead and did a full bypass, which involves cutting wires and adding resistors to the ignition circuit. I have not had a problem since.

Aug 19, 2011 | 2004 Chevrolet Impala

1 Answer

1997 oldsmobile 88 won't start the security light


Im guessing you tried to bypass the key in the ignition/steering column. This is ok unless the actual problem was in the TDM (theft deterrent module) In this case, the 2 wire bypass does nothing. There is another way to bypass this. Check out this link for tons of info and some DO IT YOURSELF options. Ive done several key bypasses and tons of full bypasses. They both work well, it just depends on what part is failing. I think you need the full bypass to eliminate that TDM.

http://vatspasslockpasskeysecurityhelp.yolasite.com/
1994-1999 Eighty-Eight

May 16, 2011 | 1997 Oldsmobile 88

1 Answer

Dash dead ,turn key nothing happens,no click,battery good,ignition switch is new,starter turns over when jumped with screwdriver,lights,horn,acc.work.


It there is a problem with the dash, there is probably no power to the anti theft module in your ignition. The car is in anti theft mode due to not being able to read your key transponder. Basically if it cant read the key, it thinks its being stolen. Either fix the dash lights, or fully bypass the security. All the security info you need is on here including how to bypass it.
http://vatspasslockpasskeysecurityhelp.yolasite.com/

May 03, 2011 | 2000 Chevrolet Cavalier

1 Answer

I could really use some help with my 2003 Aztec. I have had problem after problem with this car and now we have another issue that we can't solve. Back a few months ago after pulling in the driveway when I...


The antitheft has locke out the starter.Try using the remote to lock the car. Let it sit for a while, then try the remote starter. If that doesn't work, disconnect the battery for an hour and try the remote starter again. If you have the factory radio, disconnecting the battery may trigger the antitheft feature which would require a security code to unlock it. If yo have your owners manual, there are instructions on what to do before disconnecting the battery. There is a web sight that has a security bypass for gm cars. It's not cheap, but it's way less expensive than a dealership. The dealership will charge about $1000.00 for a new security system. The website is: http://newrockies.ca/vatsbypass.

Jan 05, 2011 | Pontiac Aztek Cars & Trucks

1 Answer

How do you bypass the security on these 98 chevy trucks? Is there even security on these trucks? I turn my key and nothing happens but I hear the inginition switch clicking with each turn of the key so is...


i have almost the same problem but mines a 98 5.0l vortec. the issue is i have no blown fuses but the truck runs low voltage all the time nothing above 12 volts. replaced the starter, alt, and starter hot wire. new battery. the starter relay was bypassed but it works just fine. idk what the deal is with this truck

Nov 29, 2010 | 1998 Chevrolet C1500

2 Answers

Security light flashes


that means you didnt use the remote to turn off the alarm

Jul 06, 2009 | 2000 Chevrolet Impala

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,

drcool

Oct 14, 2008 | 2000 Cadillac DeVille

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