Question about 1994 Oldsmobile Cutlass Supreme

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94 olds 3.1 security light flashes and engine won't turn over

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Looks like the TDM in the security system (VATS/PassKey) is having problems, it's typical on those cars. You can find a great write-up here: http://newrockies.ca , it was the only thing that saved my Park Avenue.

Posted on Jul 16, 2010

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Security light on and won,t turn over engine to start . rolled car on to the roof on black ice. physically car looks ok


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GM Passlock Security Light Issues - RepairPal


Dec 26, 2015 | Cars & Trucks

1 Answer

Flashing security light, engine won't start


The security, antitheft, or passlock light is a visual indication that something in the car's antitheft system is failing. In most GM cars and trucks there is a hidden system that most people are unaware even exists. From the moment you put your key in the ignition, there begins a constant line of communication between your key's security chip or transponder, to the ignition's lock cylinder, and then to the car's TDM (Theft Deterrent Module). These 3 parts are in CONSTANT communication. If the key is in the ignition, then these parts are sending signals to each other. The security light illuminates when that signal gets broken, even just for a second. When the signal breaks, the car misinterperates this as an attempt at theft and goes into antitheft mode. The car thinks its being stolen or hotwired because it is not getting that signal from YOUR specific key. This is why the security light turns on and shuts down your vehicle.
This link may help you find ways to bypass this or fix it yourself.
http://vatspasslockpasskeysecurityhelp.yolasite.com/

Mar 01, 2013 | Cars & Trucks

1 Answer

Anti-thief system cut off power to den gine an won't cut it back on


If you are dealing with the anti theft the anti theft will flash as you are trying to start the vehicle if this is the case then it is the anti theft if not then you are not dealing with a ant theft issue. You can do a 30 minute relearn procedure without a scan tool. here is how Turn ignition on without the engine reunning.attempt to start the vehicle then release the key to ON.(vehicle doest start) Observe the security light.afeter 10 minutes the security light will turn off.Turn off the ignition and wait 5 seconds.do this 3 times for 30 minutes. start the engine with the engine started the vehicle will learn the passlock key.

Feb 24, 2012 | Cars & Trucks

1 Answer

I have a 2001 Olds Intrigue that won't start every once in a while. When it won't start the security light flashes so GM told me it was the passcode and I would have to change the ignition switch...


you can not bypass the security in that car, it is built into the main computer, they have problems with the ignition switch screwing up and the only way to start it while the light flashes is to turn the key to ON but don't crank engine, leave on for 10 to 15 minutes until light goes out then start car.

Sep 21, 2011 | 1998 Oldsmobile Intrigue

1 Answer

I have a 94 buick regal that won't start. I have determined that the TDM is not turning on the Starter relay or the pcm injector circuit. I am not sure if it is the TDM of if it is not getting the...


Check to see if the security light is on when you turn your key forward. If its solid, its the TDM. Flashing is the key or ignition. Here is a link may help you. If its flashing, do a "temporary fix" and save some money. You'll see it on this link. http://vatspasslockpasskeysecurityhelp.yolasite.com/

Jun 11, 2011 | Buick Regal Cars & Trucks

1 Answer

My Buick lasabre's engine was missing and light blue smoke coming out of tail-pipe. Now it won't start engine will turn over cut out and stall. Check engine light flashing, airbag light on and...


This link will help with the security light. Read the whole page carefully. The info is good and depending on your year, there might be a solution for you. http://vatspasslockpasskeysecurityhelp.yolasite.com/

As far as the blue smoke, thats normally burning oil. You might have multiple problems. Id suggest reposting about the smoke. The link should help you with the security.

May 15, 2011 | Buick LeSabre Cars & Trucks

1 Answer

Why wont my car start even after i tried the security reset. i turned key to on position for 10 minutes turned it off then tried to start it 3 times. security light still flashes


turn the key on and wait till the security light stops flashing ( this could take as long as 30 minuets ) then turn the key off then back on but do not try to start the engine and wait till the security light stops flashing ( again this could take as long as 30 minuets ) then turn key off then turn key on and start engine.

Jan 31, 2011 | 1996 Buick Regal Olympic Gold

1 Answer

94 honda accord wont start and d4 light is flashing constant. It's cranking but it wont turn over.


my 94 honda the check engine light comes on then the d4 light flashes i can turn off the key and it stops for a minute

Apr 22, 2010 | 1994 Honda Accord

1 Answer

94 vette won't start,bat good,have org. key,fuses ok,high beam light on lights off,lcd cluster won't light up?


Disconect the battery and ECM for FOUR DAYS then reconect the ECM and BATTERY. Let it sit for another four days without turning anything on. It should start but will run rough for about 200 miles as the ECM relearns the system. I had the same issue and that is what fixed it.

May 14, 2009 | 1994 Chevrolet Corvette

2 Answers

How do I turn off the change oil light on a 1994 corvette


1. Turn the key to “Run,” but don’t start
2. Press “ENG MET” on the Trip
the engine.
Monitor. Then, within five seconds,
press it again.
3. Within five seconds, press and hold
“GAUGES” on the Trip Monitor. The
“CHANGE OIL” light should flash.
4. Hold the “GAUGES” button until the
“CHANGE OIL” light stops flashing
and goes out. This should take about
ten seconds.
When the light goes out, the monitoirs
reset. If the monitor doesn’tr eset, turn the
ignition off, then try again.

Nov 18, 2008 | 1994 Chevrolet Corvette

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