Question about 1999 Oldsmobile Intrigue

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Is there anyway to bypass or disable the passlock system in an '99 Olds Intrigue?

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  • Chris Davis
    Chris Davis Aug 24, 2010

    Can't remember but does your key have a chip in the middle of the key.
    If not I have some other options. but if so there is an easy bypass.

  • mandi414 Aug 24, 2010

    I doubt it, since I am pretty sure it's a copy that was made at a hardware store or by the small lot it was bought from. I heard something about taking apart the steering column or replacing the ignition column. Thanks for your help!!!!!!! It would save me if I could fix this!

  • mandi414 Aug 26, 2010

    No, but I would install it if that would help!!



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Hi, my sister had the same problem with her car and it wouldn't start...You have to make sure 1st that your key has a chip in the middle of the key. 2nd make sure noone is in the car and make sure doors are locked. 3rd-driver side door only put key into door and turn to the unlock position and hold for 30seconds then get in the car, dont touch anything else. 4th Put key into ignition and only turn to the start but dont turn the car over. Wait for the dinging to stop in the car then turn the car over. This will reset your car to remembering the key that was used to start it. It worked for us.

Posted on Dec 22, 2010

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No. the passlock system talks to the ecm and shuts down the fuel injection.. what kind of problem are u having with it?

Posted on Aug 24, 2010

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  • mandi414 Aug 25, 2010

    It's locking down my car! I haven't been able to drive it for a year! I talked to someone at GM and it could cost me over a grand! The car isn't worth that much and I can't sell it as it is.....

  • towin4fun Aug 26, 2010

    is there any aftermarket items installed in the car? like a remote starter?

  • towin4fun Aug 26, 2010

    no... wont help...but could be causing your problem....i would have someone inspect the wires that go from the key barrel to the ecm to make sure there is no shorts in them... there is three suspect wires.....small in size and all run together...there is a black a yellow and a white...they control the passlock system in the car....if there is no problem with the wiring then the key barrel may need to be replaced



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his vehicle has a the PASSLOCK II key
based engine disabling system.

You can attempt to put the key in the ignition,
turn it on to just before cranking and then leaving
it that way for 10 mins. After that,
some PASSLOCK systems will re learn the code
and allow for starting. But if not, the system
will either need to be seen by GM or, a bypass module
is required to circumvent.

If left unchecked, it will continue to lock down
the fuel injector rail, and you will need to tow
it in to GM for evaluation, and resetting anyway.

Bothersome, but can be fixed.

I suggest the PLJX bypass kit to get around
this issue.

This Passlock Bypass Module is designed to momentarilly
allow the engine to remote start by sending a proper
coded pulse to open the fuel rail passlock injector
cut off circuit.

The output from an alarm/remote starter
would then shut down the pulse, once it has detected
the engine has engaged, and preserve the integrity
of the passlock system.

That is it's designed purpose.

However, in your case, this input wire on the PLJX module,
instead of going to a momentary ground pulse from
an alarm/remote starter,
would go to a constant chassis ground, through
the bypass module, grounding out the PASSLOCK.
The PASSLOCK would then always be bypassed as long
as that wire is chassis grounded.

I can not speak about a damaged passlock system,
like if a thief has destroyed it, because I do not
get into this part of GM'S security application.
But as a happy coincidence to installing
after market remote starters, this does work on bypassing
passlock in most all GM vehicles we've run into,
including your year GM vehicle as well.

Also, this is a self learning, resistor sensing
and adjusting module. Once the VATS wires have been tapped,
you would press the program button to learn,
and it does. The car should then allow start
with any hardware store key.

It would on yours as well.

You might want a car alarm installer to do this
for you, the fair rate being around 50. to 75.
for labor.

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