Question about 2002 Pontiac Grand Prix

5 Answers

My security light is on and flashing, wont let me start the car and keep it running, how do i turn the security system off or reset it

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  • Enol Matos Oct 16, 2011

    Hellsangel03:
    When you said take the system out and throw it away, it means i dont need to do anything else? I don't want to bypass or override it , I just want to get rid of it. Do I need to buy the unit from newrockies after that or not?

  • James Oct 28, 2017

    Hve you just tryed to on hook the battery and see if computer rests itself?

  • James Oct 28, 2017

    Unhook even

  • James Oct 28, 2017

    If that doesnt work look up diagram s online to get a better idea where the unit might be first then you sould be able to see what your dealing with.

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5 Answers

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  • Master
  • 1,916 Answers

Leave the key in the ignition, turned to 'run' (just before the crank position) and leave it there for about 15 minutes-the security light will then stop flashing-do NOT turn it off, turn it to crank and start the car. You have a security module that is not seeing the same resistance in the ignition switch as it expects, meaning you will have to either replace the ignition switch (expensive) or bypass the module (easy and inexpensive)-I have done lots of these, requires about 15 cents worth of parts and can be done in 1/2 hour.

Posted on Jan 24, 2011

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  • Jay Drogsvold
    Jay Drogsvold Jul 17, 2012

    MIke i have a 1999 chevy tahoe that i have just started having this issue with and replaced $$$$$$$$$$$ in frickin parts , how do u do this ?? thanks

  • mike mountain Jul 21, 2012

    If you search the internet, there is a technique where you remove the security module that is easily found behind the glovebox, snip a specific wire and soder or splice a 2200 ohm resistor you get from radio shack. This tricks the module into thinking the key cylinder is still within the expected resistance and allows the starter and crank sensor to function. This is NOT difficult to do, it just requires cutting ONE wire and splicing the resistor into the circuit. I rarely come onto this site anymore (it is messed up, used to be a nice place to help people but has turned into one big ad for the operators). I will try to help if you have questions, but as I stated, I am rarely here anymore.

  • Tommy King
    Tommy King Nov 11, 2012

    so mike tell me how to bypass the security with 15 cents of parts and 15 minutes

  • Dean Denzel
    Dean Denzel Feb 21, 2017

    So mike how do you bypass the security on my 2003 Buick 3100 engine Thank you for helping me . Dean

  • James Oct 28, 2017

    Id go the bypass method , bc if it was the ign switch you would have a couple of other issues as well wouldnt you? Bc i just had to replace my ign switch in my 93 grand am.

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  • Expert
  • 375 Answers

If the headlights are flashing, the alarm system is factory installed. Inserting the key into the driver door lock and turning to the left then back to the right is supposed to disarm it. If the parking lights are blinking,, the alarm is an aftermarket add on, and there should be a disarm button under the dash on the driver side. If it' an aftermarket alarm, you should be able to have it removed. There is a way to bypass the factory alarm. There is a wiring harness in the driver's door. You will have to remove the door panel to find it. The wire is dark green and purple. Splice into that wire and ground it to the chassis and the alarm should no longer work.

Posted on Jan 24, 2011

  • patty
    patty Dec 18, 2014

    is this on a 1985 delta 88

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  • Expert
  • 334 Answers

It's when the security light starts flashing that the infamous "chip" in the key becomes a nightmare to many. Gradually the car begins not cranking anymore or if it cranks it would start and die in a second. Randomly it will do this more and more often until it won't start anymore. VATS, PASSkey and Passlock immobilizer systems are killing cars all over North America, they have a short lifespan and are certainly more effective against owners than thieves. Here is how you save your car
1st trick, (if not starting) 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. I did this in my regal for more than a year. If its shuting down while running, im sorry i have no quick fix...

Cheap fix: Bypass the chip in your key. Temporary, but effective. Until the TDM (theft deterrent module) in the dash poops out, then you're kinda screwed. I was told that these types of key security systems have a 7-10 year life span. Sucks for us. This link explains the "Key Issue" pretty well.
----- http://vats.likeabigdog.com/


Never worry again fix: Bypass the whole VATS/Passlock/passkey I or passkey II system entirely. Literally take it out, and throw it away. I just did this in my Regal. Took about an hour. Took longer to find the thing than it did to fix the problem. For a list of cars effected by this problem. See the NEWROCKIES link on the right side of their page......... They sell a unit for 200 bucks to totally bypass this system FOREVER. life time-money back and all that. Finally did this in my car. Well worth the 200 if you've looked into getting this replaced... Anywhere from 600-1000 bucks.
----- http://newrockies.ca?ap_id=judd0081
----- With this fix, you can take that whole Vats, passlock, passkey **** system out of your car all together. Good info on both sites

It works for:
Any GM or Isuzu Vehicle with VATS or PASSKey or PASSLock security systems.
If your car has the chip in the key or in the lock cylinder, then you can save it with this Full Bypass.
Trucks
.
GMC/Chevy
1998-2006 S10/T10/Sonoma
/Blazer/Jimmy
1998-2007 Suburban/Avalanche
/Tahoe/Yukon
1998-2006 Sierra/Silverado
2002-2008 Trailblazer
2003-2006 SSR
1998-2006 C1500/C2500/C3500
1998-2006 K1500/K2500/K3500
2003-2007 Hummer H2
.
Isuzu
1998-2000 Hombre
2005-2006 I280/I350
2007-2008 I290/I370
.
Cars/Vans
.
Isuzu
2003-2007 Ascender
.
Pontiac
1994-2003 Grand Prix
1998-1999 Montana
2006 Torrent
1996-2005 Grand AM
1994-1998 Trans Sports
1988-1999 Bonneville
1988-2002 Firebird
1995-2005 Sunfire
1996-2002 Trans Am
.
Buick
2004-2007 Rainier
1994-2005 Century
1993-2004 Regal
1982-1999 LeSabre
1991-1996 Park Avenue / Ultra
1994-1996 Roadmaster
1991-1996 Roadmaster Estate Wagon
1982-1999 Riviera
1988-1991 Reatta
1996-1998 Skylark
1982-1990 Electra (all models)
.
Oldsmobile
1996-1998 Achieva
1999-2004 Alero
1994-2004 Aurora
1998-2004 Bravada
1991-1993 Delta 88
1994-1999 Eighty-Eight
1991-1996 Nighty-Eight
1998-2002 Intrigue
1990-1992 Toronado
1994-1997 Cutlass Supreme
1997-1999 Cutlass
1997-1999 LSS/Regency
1997-1999 Silhouette
1991-1996 Custom Cruiser
.
Chevrolet/GMC
1998-2005 Astro/Safari
1998-2008 Envoy
2005-2006 Equinox
1998-2007 Savana/Express
1995-2005 Monte Carlo
1997-1999 Venture
1995-2001 Lumina
1988-2002 Camaro
1995-2005 Cavalier
1982-2004 Corvette
1994-1996 Caprice/Caprice Wagon
1995-1996 Impala SS
2000-2005 Impala
1997-2005 Malibu Classic
1997-2003 Malibu
.
Cadillac
1986-1993 Allante
1982-1996 Fleetwood
1985-1996 Fleetwood Brougham
1992-2004 Seville
1992-2004 SLS/STS
1985-1999 Deville
1994-1999 Deville Concours
1997-1999 Deville D'Elegance
1988-2002 ElDorado
1994-2002 ElDorado Touring
1999-2007 Escalade
.
Saturn
2000 LS/LS1/LS2/LW1/LW2
2001-2002 L100/LW100
2001-2003 L200/LW200
2001-2005 L300/LW300
2004-2005 L-Series
2002-2008 VUE
1996-2002 SL/SL1/SL2
1996-2002 SC1/SC2
1996-2002 SW1/SW2

Posted on Feb 02, 2011

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HOW DO I UNHOOK MY ALARM IN CADILLAC DTS

Posted on Jul 18, 2012

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  • Pontiac Master
  • 10,875 Answers

Use the key fob that came with your car or replace the battery in your key and keyfob

Posted on Apr 15, 2015

6 Suggested Answers

6ya6ya
  • 2 Answers

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Posted on Jan 02, 2017

csmock132
  • 4669 Answers

SOURCE: 2000 Alero Security light flashing and wont start

With the new lock cylinder in it, turn the key on. The security light should blink. Leave the key on for 10 minutes, the security light will quit blinking and go out after 10 min. This will reprogram your security system and the car should start. Also leave a battery charger on it while the key is on, If the battery goes dead during the 10 minute reprogram sequence, you will have to start over again.

Posted on Mar 08, 2009

litoshop
  • 298 Answers

SOURCE: Sometimes when i unlock car wont start security

on your 2005 chev. has a factory alarm system and a chip on the key to the ignition switch if you turn the key and you don't here the starter cranking then that could be the alarm system if you here the starter cranking then it could be the chip in the key when you put the key on and engine off you should see the security light should see the light turn off if not then the anti theft is not deactivating if the light turns off then you have a electrical problem have your starter checked out good luck Josh

Posted on Jul 18, 2009

baccardo
  • 150 Answers

SOURCE: security light on in a 2002 camero I cannot start the car

the electrical part of the ignition switch needs to be relearned

Posted on Apr 23, 2009

  • 355 Answers

SOURCE: security light is blinking on dashboard, car wont

The security system (VATS/Passkey) installed on these GM cars is anti-owner more than an anti-theft. There are 3 parts involved:

  1. The chip-key
  2. The lock cylinder
  3. The TDM (aka the brain of the system)
if any of these parts fails or is even slightly malfunctioning, the car stays stuck where you are and you only get a dealer asking you about 1,000$ to fix it. And all the 3 parts have a quite short lifespan. Way too many people got in this situation (including myself). I don't recommend any partial solution or any used parts as it would happen again way too soon to be acceptable and if it happens 100 miles from home (like it happened to me....) it's a big burden. I finally made it to save my beloved 94 Park Avenue (with the same system that is installed in your car) with a solution that I found on the internet and that bypasses the entire factory security system, all 3 pieces altogether and you can even remove the TDM at the end and use 99c keys without chip. The product I used is at http://newrockies.com and is still working perfectly after 5 years. Don't go to the dealer!

Posted on Mar 01, 2011

ZJLimited
  • 17970 Answers

SOURCE: need to reset the security system on a 1997 oldsmobile 88

I suggest check the procedure to ARMED/DISARM in the Oldsmobile-Eighty-Eight-Owners-Manual

Hope helps (remember rated this).

Posted on Jun 06, 2010

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