Question about 2001 Chevrolet Silverado 1500

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The security system keeps coming on and my 2001

The stock security system keeps coming on and my 2001 silverado will not start.Where is the stock security system contorl box?

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The ignition switch is part of the system. If it detects a incorrect key, it won't allow the fuel pump to turn on. I had to replace the key switch and have new keys made as they were worn out.

Posted on Aug 07, 2010

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Posted on Jan 02, 2017

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1 Answer

What could keep my coil from firing ? I have the Ignition control signal and 12v. while cranking over engine at the top primary wiring of coil. Can you help me get spark?


Sounds like the security system is causing your problem. Is the "security" light flashing? If it is, turn the key on, leave the key in the ON position for 10 minutes. The light will stop flashing. Now, turn OFF the key, turn it back to ON, and then crank it. It should start. If the security light starts flashing again, go through the process again until it starts. This is resetting the security system after the battery has died, battery has been changed, radio was changed, instrument cluster was removed and replaced, etc. Hope this works for you.

Mar 29, 2016 | 2001 Chevrolet Silverado 1500

1 Answer

How can I make the security light on a 2001 chevrolet Silverado go off


did it run before you changed column? if so you might eed to check you plugged everything in correctly again and make sure you swapped over all the electrical components including any steering lock electrics. if it didn't you will need a code read to find the problem. jon

Sep 11, 2014 | 2001 Chevrolet Silverado 1500

1 Answer

How do I disable the stock alarm on my 2001 Oldsmobile Aurora 4.0


Maybe you are in valet mode. This will drain your battery.

Nov 04, 2012 | 2001 Oldsmobile Aurora 4.0

1 Answer

2001 Chevrolet Silverado wont start, changed starter, still will not start, battery checks out, and all light and stereo comes on, can this be a security alarm issue and can you reset it?


Do you know how to test a starter electrical circuit ?
How to voltage drop test starter motor circuit
Starter Voltage Drop
The anti- theft system has nothing to do with the cranking of the starter . Disables fuel injectors so the engine doesn't run .
The theft deterrent system has been incorporated into the body control module (BCM). The theft deterrent is provided in order to prevent the vehicle operation if the correct key is not used in order to start the vehicle. The ignition key turns the lock cylinder. The cylinder rotation produces an analog voltage code in the Passlock™ sensor. This voltage code is received by the BCM. The BCM compares the voltage code to the previously learned voltage code. If the codes match, a class 2 message is sent from the BCM to the powertrain control module (PCM)/vehicle control module (VCM). The message enables the fuel injectors.

May 27, 2017 | 2001 Chevrolet Silverado 1500

1 Answer

2001 Chevrolet Silverado 1500 security light on, daytime running lights not working, dome light, interor lights, and cargo lamp all quit working at same time.


The security light issue is very common on GM vehicles. This is from a break in the communication between the key, igniton, and TDM (Theft Deterrent Module) computer. The hard part is figuring out which one is failing. They is no way to know other than to just start switching out old parts and putting in new ones. This is expensive and all parts must match for the security to work. There are ways to bypass the system Other than that, you'll need to take it to a dealer to get FIXED. If you want to bypass the system, you can go to this link for all the info you will need. Ive bypassed dozens of these things and its a pretty easy DO IT YOURSELF fix. http://vatspasslockpasskeysecurityhelp.yolasite.com/

Jun 06, 2011 | 2001 Chevrolet Silverado 1500

1 Answer

My 2001 silverado's Security Light is staying on. I don't have an owners manual but I was told my security system is not working. Is there a fuse for a simple fix or must I take it to the dealer?


You probably need a new key switch. If your keys are really worn, they may need to be replaced also. The security system checks the key to see if it is correct. If not correct, power is not turned on to fuel pump.

Jul 05, 2010 | 2001 Chevrolet Silverado 1500

1 Answer

My abs and brake light come on at the same time and stay on occasionally when I start my 2001 chevy silverado 4X4. If I turn the truck off and then restart it they will sometimes stay off.


Scan it,pull the codes when the lights come on and repair the ABS System. Most likely a Wheel Speed Sensor. Test all parts first,to determine if their bad. If you have no knowledge of these systems,take it to a shop.

May 04, 2010 | 2001 Chevrolet Silverado 1500

2 Answers

2001 chev silverado. Filled up with gas started


My Dad had a 1999 Silverado that did the same thing, it's a bad design. You wont run out but keep track of your miles, Then you know how far you can go.

Apr 17, 2010 | 2001 Chevrolet Silverado 1500

2 Answers

2001 chevrolet silverado z71


This sure sounds like a U joint, check them all again.

Sep 08, 2008 | 2001 Chevrolet Silverado

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