Question about 1995 Buick LeSabre

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My problem is changing my ignition switch lock, now i got my security light on how can i turn off the light

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It starts with the security light and then gets worse till the car won't start anymore. 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

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I called myself programming the new keys for my pt cruiser, but,it didnt take. At first it would start and run for a few seconds, now it wont turn over.what did I do wrong and how can I fix this?


Takes the master key to get it started again. The security gives you 3 tries to get the vehicle started, after the third time, it kills the starter.
2002 Chrysler PT Cruiser Note: You must have two valid keys to add a new key to the system.
1. Insert the first valid key into the ignition switch. Turn the ignition switch to the
ON/RUN position for at least three seconds, but no longer than 15 seconds.
Then, Turn the ignition switch to the LOCK position and remove the first key.
2. Insert the second valid key into the ignition switch. Turn the ignition switch to
the ON/RUN position within 15 seconds. After 10 seconds, a chime will sound.
In addition, the Vehicle Security Light will begin to flash. Turn the ignition switch
to the LOCK position and remove the second key.
3. Insert the new key into the ignition switch. Turn the ignition switch to the
ON/RUN position.within 60 seconds. After 10 seconds, a single chime will
sound. In addition, the Vehicle Security Light will stop flashing. To indicate that
programming is complete, the Vehicle Security Light will turn on again for
seconds and then turn off.
The new key is now programmed. The Remote Keyless Entry transmitter will
also be programmed during this procedure.
Repeat this procedure to program up to eight keys.

Oct 09, 2016 | Cars & Trucks

1 Answer

I just installed a new key switch in my 2006 trailblazer it is a napa part now when I start it it will only run for a few seconds and die ?


That is because of the vehicle theft deterrent system ! Do you have a security light lit on the instrument cluster ?
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)

Ignition Lock Cylinder Case, Including the Passlock?"¢ Sensor
The ignition lock cylinder fits inside the ignition lock cylinder case and operates the ignition switch when turned by a key with the proper mechanical cut. When the ignition key is used to turn the ignition lock cylinder to crank, start, a magnet on the lock cylinder passes close to the Passlock?"¢ sensor within the ignition lock cylinder case. The magnet activates the security hall effect sensor in the Passlock?"¢ sensor which completes a circuit from the security sensor signal circuit through a resistor to the security sensor low reference circuit. The resistance value will vary from vehicle to vehicle.
If a magnet from outside of the ignition lock cylinder case is used to attempt to steal the vehicle, the tamper hall effect sensor will be activated. This completes a circuit from the security sensor signal circuit through a tamper resistor to the security sensor low reference circuit bypassing the security resistor. If the ignition switch is forced to rotate without the correct key, or if the ignition lock cylinder is removed by force, the Passlock?"¢ sensor will be damaged and will not operate.

Feb 22, 2015 | 2006 Chevrolet Trailblazer

1 Answer

2005 ford 500, won't start a lock light is


need to reprogram ignition key security system when battery disconnected. turn ignition key to the on position for 3 to 10 seconds until the lock light goes out then start vechicle.if lock light dont turn off turn ignition switch to on position 30 seconds until lock light turn off.

Jun 12, 2013 | Cars & Trucks

1 Answer

How do i replace ign. switch on a 99 alero


TO REMOVE IGNITION.FIRST TURN OFF RADIO.TO KEEP FROM LOCKING IT OUT.REMOVE NEGATIVE BATTERY CABLE.WAIT 20 MINUTES.THIS WILL DISABLE AIRBAGS.ALLOW THEM TO DISCHARGE.NOW YOU HAVE TO REMOVE THE INSTRUMENT CLUSTER.REMOVE THE TWO SCREWS SECURING THE IGNITION SWITCH.PUSH THE SWITCH ABOUT 1 INCH STRAIGHT BACK TO CLEAR THE MOUNTING BRACKET THEN LIFT IT UP AND OUT FROM BEHIND THE INSTRUMENT PANEL.DISCONNECT THE IGNITION SWITCH ELECTRICAL CONNECTORS AND THE IGNITION INTERLOCK CABLE.USING THE KEY TURN THE LOCK CYLINDER TO RUN AND PRESS IN THE PIN TO RELEASE THE CYLINDER THEN WITHDRAW THE CYLINDER WITH THE KEY.THE CYLINDER MUST BE REMOVED TO REPLACE IGNITION SWITCH BECAUSE YOU HAVE TO DISCONNECT WIRE TO THE IGNITION SWITCH. IN ORDER FOR CAR TO START YOU HAVE TO REPROGRAM NEW IGNITION SWITCH TO THE BCM AND PCM.TO DO THIS.TURN IGNITION SWITCH TO THE ON POSITION WITH ENGINE OFF FOR 10 MINUTES WATCH THE SECURITY LIGHT. WHEN SECURITY LIGHT EXTINGUISH.TURN OFF SWITCH FOR 5 SECONDS THEN START THE ENGINE.IF STILL DONT WORK TRY THIS PROCEDURE TWO MORE TIMES.IF YOU GET CAR RUNNING CHECK ENGINE LIGHT TURN ON CHECK FOR CODES P1630 P1631 P1632 USE CODE SCAN TO ERASE CODES IF CODES REMAIN LET DEALERSHIP CHECK IT OUT.THEY WILL HAVE TO ERASE CODES AND REPROGRAM THEFT SECURITY SYSTEM.

Jan 30, 2011 | 1999 Oldsmobile Alero

1 Answer

I just replaced the ignition switch and lock in my 2000 alero and now it starts and runs fine but the security light is on and stays on. How do I reset this security light?


TURN THE IGNITION SWITCH TO THE ON POSITION FOR 10 MINUTES WITH ENGINE OFF.UNTIL SECURITY TURNS ITSELF OFF.THEN TURN OFF IGNITION SWITCH WAIT 5 SECONDS.THEN START THE ENGINE.IF SECURITY STILL ON DEALERSHIP HAS TO FIX.

Jan 18, 2011 | 1999 Oldsmobile Alero

1 Answer

1993 Nissan Altima The security light is blinking and the car wont turn over. it has a good battery. Is the flashing security light preventing the car from turning over?


Yes, the security system shuts power to the starter and fuel pump. You can try disarming by unlocking and locking the doors the power door locks switch (depends on model). Place the key in the ignition and set to ON, ALL doors closed!! Cycle the locks using the power locks button on the driver's door "lock" then "unlock" if this doesnt work, try same method with the ignition OFF. Otherwise your security system is malf.

Sep 26, 2010 | 1993 Nissan Altima

2 Answers

1996 Pontiac Grand Am will start but won't stay running


Either security chip in the ignition switch has failed or the security system has triggered. Try turning the key on and let the security light flash till it goes on steady. If it does not start, change ignition lock.

Aug 14, 2009 | 1996 Pontiac Grand Am

1 Answer

Saturn LS1 2000 wants to start but won't


The fab key activates the security system in the car, the ignition pass lock may need to be reset to your ignition key's. It Takes about 30 min to do. Try resetting the pass lock to read your ignition keys. 30-Minute Learn Procedure 1. Turn ON the ignition, with the engine OFF. 2. Attempt to start the engine, then release the key to ON; the vehicle will not start. 3. Observe the SECURITY tell tale light. After approximately 10 minutes, the light will turn OFF. 4. Turn OFF the ignition switch, and wait 5 seconds. 5. Repeat steps 1 through 4 - two more times - for a total of 3 cycles of 10 minutes. 3x10 = 30 minutes. The vehicle is now ready to relearn the Passlock Sensor Data Code and/or passwords on the next ignition switch turn from OFF to CRANK. Important: Turn the Ignition Switch OFF. The vehicle learns the Passlock Sensor Data Code and/or password on the next ignition switch transition from OFF to CRANK. You must turn the ignition OFF before attempting to start the vehicle. 6. Start the engine. The vehicle has now learned the Passlock Sensor Data Code and/or password. 7. With a scan tool, clear any DTCs if needed. History DTCs will self clear after 100 ignition cycles. Without a scan tool you may have momentary starter interruptions while history clears itself. Good luck and hope this helps. The ignition keys has a resistor value for the ignition to read and after a few years the resistance may change and the Pass Lock has a had time reading it's value so you have to reset the pass lock to read the keys again.

Jun 12, 2009 | 2001 Saturn SL

4 Answers

Can't start my 1998 3.1 Monte Carlo


You have a Pass lock problem. There are 3 wires from the Ignition switch that reads the ignition key, if you have lot's of other keys on your key chain. That puts extra stress on the ignition lock switch, which in turns wear out the wires in the lock that reads the key.
The dealer will cost over $500.00 to replace the lock and key's to match. I got a good friend at a lock smith to over ride the system by running a diode across the 3 wires, but now i have no pass lock.
Try this, it might help if the wires are ok, it's to reset the pass lock that the dealer will try and still charge you hundred of dollars since they want to change the lock and key's for you.
Good luck and hope this helps: The relearn process is pretty simple and will take 30 minutes, if it'll work for you at all since your problem doesn't sound like a computer issue.

30-Minute Learn Procedure
1. Turn ON the ignition, with the engine OFF.
2. Attempt to start the engine, then release the key to ON; the vehicle will not start.
3. Observe the SECURITY tell tale light. After approximately 10 minutes, the light will turn OFF.
4. Turn OFF the ignition switch, and wait 5 seconds.
5. Repeat steps 1 through 4 - two more times - for a total of 3 cycles of 10 minutes. 3x10 = 30 minutes.
The vehicle is now ready to relearn the Passlock Sensor Data Code and/or passwords on the next ignition switch turn from OFF to Crank.

Important:
Turn the Ignition Switch OFF.
The vehicle learns the Passlock Sensor Data Code and/or password on the next ignition switch transition from OFF to CRANK. You must turn the ignition OFF before attempting to start the vehicle.
6. Start the engine. The vehicle has now learned the Passlock Sensor Data Code and/or password.
7. With a scan tool, clear any DTCs if needed. History DTCs will self clear after 100 ignition cycles.
Without a scan tool you may have momentary starter interruptions while history clears itself.







May 25, 2009 | 2006 Chevrolet Equinox

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