Question about 2004 Pontiac Bonneville

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I have a 2004 pontiac bonniville ignition switch was busted i got a used on how do i program the switch to the computer

Cant start it anti theft needs to be bypassed

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6ya6ya
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Posted on Jan 02, 2017

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johnny5846
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SOURCE: anti theft

hi , not necessarily , did you replace the key and tumbler , or the ignition switch (electrical part) ? there is a password relearn procedure , attempt to start the vehicle , leave ignition on until THEFT SYSTEM indicator turns off , (approximetly 10 minutes) , turn ignition switch off , attempt to start vehicle , if vehicle starts , password has been learned ... if password does not relearn , i can post some diagnostic procedures .

J5

Posted on Jan 21, 2009

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SOURCE: Anti-theft

if the vehicle starts then stops and the anti-theft light is flahing you may need to re-set the pass-key system to do this you will need to atempt to start the vehicle and when it stalls leave the key in that position and watch the anti-theft light. it should flash on and off for about 5 to 10 minutes. when it stops flahing turn the ignition to off then try to restart your vehicle

Posted on Mar 22, 2009

  • 156 Answers

SOURCE: How to remove or bypass the factory installed anti theft vehicle immobilizer.

in the 1996 sunfire GM uses an anti theft lock system. It can be triggered by all sorts of things. In order to relinquish this you must have a key to turn the ignition. These are not coded just plain cut keys. Once you attain this you put the key in and turn the ignition to the ACC position and wait ten minutes (theft lock light will turn off), turn off and take key out. You MUST do this 3 times and then the theft lock will be disarmed.

Posted on Jun 02, 2009

  • 1 Answer

SOURCE: 1996 Pontiac Grand AM V6 Anti-Theft Activated

this is easy fix i had same thing happen when you start your car and it dies don't touch your key for no less than 11 min then turn it to off for no less than 30 sec the book says you might have to repeat this 4 times it worked the first time for me

Posted on Jun 21, 2009

  • 117 Answers

SOURCE: anti theft lock on pontiac grand am need code!!

on most hondas you have to pull the radio and get the code of the back then call the dealer, however I am pretty sure on that car you just write down the vin number and call the dealer I emphasize on call so they dont charge you

Posted on Jul 08, 2009

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1 Answer

I installed a new steering column in my 2004 Pontiac sunfire and now it will not start. It tries then I beta back fire.


Anti-theft system isn't allowing it too .
The Passlock™ System is provided in order to prevent vehicle theft if the ignition lock cylinder is forced to rotate or the ignition switch is operated while separated from the ignition lock cylinder case. If starting is attempted without authorization from the Passlock™ System, the powertrain control module (PCM) will disable engine starting. Start disable may be in the form of fuel disable or starter disable, depending on engine application.
The components of the Passlock™ System are as follows:
• The ignition lock cylinder and key
• The ignition lock cylinder case, including the Passlock™ sensor
• The ignition switch
• The body control module (BCM)
• The security indicator on the instrument cluster
• The powertrain control module (PCM)

Feb 05, 2017 | 2004 Pontiac Sunfire

2 Answers

I put a used ignition cylendar in my 05 colorado ..how do i by pass the anti theft so i can start truck


You cant. The key needs to be programmed to the car. You may have to have a locksmith or dealer do it as it may require a special computer to do

Oct 16, 2016 | 2005 Chevrolet Colorado

1 Answer

Changed steering column with another one , everything comes on but wont start.


Did you put the original anti-theft module on the new steering column ? Does yours have steering column mounted ignition switch ? Vehicles with steering column mounted ignition switches have the exciter integral with the theft deterrent control module (VTD) which is located within the steering column.

Aug 29, 2015 | 2004 Pontiac Montana

1 Answer

How to disconnect anti theft


It is hard to give a definite answer because I don't know which and how many wires were damaged...Anti theft can be a real HEADACHE.....You can begin by disconnecting battery cables..Use your VIN number for parts,Get new ignition with a programmed factory key from dealer only.....They probably blew certain fuses and or relays when this happened...Or maybe not..Install new ignition connect battery cables..,turn switch on just to check for bad fuses and relays...Disconnect battery again...replace any fuses blown...Connect battery again...( Each time you disconnect battery it resets the computer system and should clear anti theft codes..)..make sure all doors are unlocked by using door remote key fob....Now see if vehicle will crank..If all is done correctly it should start...However I don't know how much damage was done.....It may possibly be too much work to totally disengage anti theft....You could start with removing all fuses and relays related to anti theft but disconnect battery before...I DO NOT RECOMMEND trying to disable the theft system.....You may create more headaches that you want.......Begin by trying what I described just to be safe...!!....

Jan 27, 2015 | 2001 Ford Windstar

1 Answer

Instructions to change ignition switch


do a search on www.youtube.com for "pontiac "lock cylinder" "ignition switch" you can watch somebody else do it and decide if you want to take it on. bear in mind that special anti-theft hardware is holding it in and special tools will be needed to take it apart.

May 09, 2011 | 2004 Pontiac Grand Am

1 Answer

I had a key made and it desabled the security system in my 1999 mercury cougar and now the car wont start and I need to have it reset.


All you have to do to reset the antitheft system is to lock the doors with the key fob.

Your new key has to be programmed to your engine computer (PCM) before it will work.

To program, follow the directions in your owner manual. You need 2 already rpogrammed keys to do this.

If you don't have 2 programmed keys, your dealer will have to use his diagnositc tool to retrieve the information from the computer. Always have 2 programmed keys. I actually keep 3 in case I lose one, I still have 2 to program a 3rd one myself.

If you have AAA, have it towed to the delaer as a "no Start" so you don't have to pay the tow charge.

I assume this new ket is your only key now, or you could drive to the dealer with your spare key.
-------------------------------------------------
SECTION 419-01B: Anti-Theft - Passive 1999 Cougar Workshop Manual GENERAL PROCEDURES Procedure revision date: 09/14/2001
Key Programming Using Two Programmed Keys NOTE: This procedure only works if two or more programmed ignition keys are available and it is desired to program additional key(s). If two keys are not available. For additional information, refer to Key Programming - Erase All Keys and Program Two Keys in this section.
NOTE: PID SPARE - KY must be enabled for this procedure to operate. If this PID is not enabled, refer to Security Access then select Spare Key Programming Switch; Enabled.
NOTE: If the programming procedure is successful, the new key(s) will start the vehicle and the anti-theft indicator will illuminate for approximately three seconds.
NOTE: If the programming procedure is not successful, the new key(s) will not start the vehicle and the anti-theft indicator will flash. If the programming procedure was not successful leave the ignition switch in the RUN position for at least 30 seconds, repeat the Key Programming procedure from Step 1. If the failure repeats, refer to Diagnostic and Testing to review DTCs an carry out Pinpoint Tests.
NOTE: A maximum of eight ignition keys can be programmed to a passive anti-theft system (PATS) equipped vehicle.
NOTE: If the steps are not carried out as outlined, the programming procedure will end.
NOTE: Ignition keys must have correct mechanical key cut for the vehicle and must be a PATS encoded key.
  1. Insert first programmed key into ignition lock cylinder and turn the ignition switch from the OFF position to the RUN position (maintain ignition switch in the RUN position for one second).
  1. Turn ignition switch to the OFF position and remove the first key from the ignition lock cylinder.
  1. Within five seconds of turning the ignition switch to the OFF position, insert the second programmed ignition key into the ignition lock cylinder and turn the ignition switch from the OFF position to the RUN position (maintain the ignition switch in the RUN position for one second).
  1. Turn the ignition switch to the OFF position and remove the second key from the ignition lock cylinder.
  1. Within ten seconds of turning the ignition switch to the OFF position , insert the unprogrammed ignition key (new key) into the ignition lock cylinder and turn the ignition switch from the OFF position to the RUN position (maintain the ignition switch in the RUN position for one second).
  1. If it desired to program additional key(s), repeat the applicable key programming procedure from step 1.
  2. ----------------------------------------------------------------------------------------------------------------------------------
Passive Anti - Theft System (PATS)
The Passive Anti-Theft System (PATS) is fully passive in operation and requires no special procedures by the driver to arm or disarm the system. It is invisible to normal scrutiny and is operated by a miniature transponder within the key body. The transponder communicates with the powertrain control module through a transceiver mounted around the ignition switch lock barrel. The PATS functionality is incorporated within the powertrain control module.
PATS may be identified by a larger than normal sized ignition key. A larger sized ignition key indicates the presence of the transponder that controls the system.
The transponder code reading is carried out when the key, having been inserted into the ignition lock barrel, is turned from position ``0'' to position ``II'' to crank the engine. If the PCM receives the correct code, the engine will start. If the PCM receives either no code or an incorrect code the engine will not crank and PATS remains armed and the engine immobilised.
Anti-Theft Indicator
Whenever the ignition is switched on the anti - theft indicator will remain on for three seconds while the system reads the ignition key code.
The anti - theft indicator will flash rapidly or glow continuously after the initial three seconds to indicate the PATS has immobilised the vehicle.
For additional information on the PATS fault codes, refer to the Diagnosis and Testing section
-------------------------------------------------------------------------
The PATS uses a specially encoded ignition key. Each encoded ignition key contains a permanently installed electronic device called a transponder. Each transponder contains a unique electronic identification code out of over four quadrillion combinations.
Each encoded ignition key must be programmed into the vehicle's powertrain control module (PCM) before it can be used to start the engine. There are special diagnostic repair procedures outlined in this manual that must be performed if an encoded ignition key needs to be replaced
------------------------------------------------------------------------

Dec 16, 2010 | 1999 Mercury Cougar

1 Answer

How do you go about taking out a ignition key switch in a 2000 pontiac grand prix


if you are talking about the key lock switch you need special tools to take the steering column apart and if the car has anti theft transponder key you cant change it and expect the car to start unless you have the computer to go with the key . dealer has to reprogram it. hope this helps with your question

Aug 03, 2010 | Pontiac Grand Prix Cars & Trucks

1 Answer

Anti theft


hi , not necessarily , did you replace the key and tumbler , or the ignition switch (electrical part) ? there is a password relearn procedure , attempt to start the vehicle , leave ignition on until THEFT SYSTEM indicator turns off , (approximetly 10 minutes) , turn ignition switch off , attempt to start vehicle , if vehicle starts , password has been learned ... if password does not relearn , i can post some diagnostic procedures .

J5

Jan 21, 2009 | 1998 Pontiac Sunfire

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