Question about 1994 Oldsmobile 88

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When I try to start the car the security indicator flashes

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It appears you've reset the VATS.
The car does not recognise the chip in the ignition
key when that happens. You can try to put the key
in the ignition, turn to the on position & wait at
least 10 mins like that when it happens. But
after awhile, it will stop working at all.
Your ignition switch assembly may be to blame.

In some cases, the VATS (GM'S VEHICLE ANTI THEFT SYSTEM)
will re learn the code this way, and will then
allow the restart all the time. But if this does not work,
then go to any GM vehicle dealer
to have the service department evaluate the issue,
re code it.

Lastly, to do a permanant bypass on the VATS
system, see the PLJX BYPASS 1 & 2 module
at www.PASSLOCK2.com

Good luck with it.

Posted on Sep 28, 2009

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Posted on Jan 02, 2017

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1 Answer

1998 oldsmobile 88 anti-thef system cause no power to fuel pump?


Is the SECURITY light lit on the insturment cluster ? Does the engine spin with key in start position ?

Vehicle Theft Deterrent (VTD) System Check

Attempt to start the vehicle.
NO - The engine cranks and starts.
Refer to Engine Cranks but Does Not Run in Engine Controls.
2
Note the security indicator while attempting to start the vehicle.
The indicator light is ON and OFF after approximately 5 seconds.
• SECURITY Indicator Always On or Flashing, Engine Does Not Crank
• SECURITY Indicator Always On or Flashing, Engine Starts
* Refer to the appropriate symptom diagnostic table for the applicable abnormal result.

Engine Cranks But Does Not Run !

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1 Answer

97 Nissan quest wont start red security light blinking


The Security Indicator Light illuminates to indicate that the security system is either working properly or to let you know that there is a fault in the system.
If the Security Indicator Light is flashing with the key out of the ignition lock and accessory position, this is a normal sign that the alarm and the immobilizer system is active.
While starting the car or key in the "run" position, the security lamp should illuminate briefly then go out. This a "bulb check" and is also normal.
If the Security Indicator Light is on steady with the key in the "run" position, and the vehicle won't start, there could be a fault with the system. In this case, the first thing to try is a different key to see if this starts the vehicle. If it starts, the key is faulty or the system has a problem with that key. If you are still getting a no-start with the light on steady, the system is at fault and will need to be inspected.

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Security light flashing


If that light is flashing it is indicating a fault is present in the vehicle's security system, that could be a door switch issue or other things problems, a scn of the system will reveal a fault code that helps to diagnose the problem.

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I change the under the dash wiring harness on a 98 Chevrolet Sierra 4 by 4 it will start then immediately dies


GMC Sierra or Chevy silverado ? Do you have a SECURITY light lit ?
The SECURITY indicator is on the instrument cluster. If the SECURITY indicator flashes or if the SECURITY indicator lights continuously during the vehicle operation, refer to Diagnostic System Check - Theft Deterrent . If there is a problem the vehicle will start an run for just a second or two . It disables the fuel injectors .

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01 chevy express van battery was completely dead. Charged the battery and van won't start put a new battery in it still won't start just cranks over. The security light flashes any ideas would be greatly...


the flashing security light is an indication that the immobiliser is not recognizing the key program. This sometimes happens when the battery is removed as it corrupts the CPU program. Try using a fault scanner to reset the program

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1 Answer

Sign of car with key warning light on dash


Here is a fix >

Security and Immobilizer System Indicator Symbols Symbols & Tell-tales
engine_immobilizer.gifsecurity_indicator_symbol.gifThese are Security and/or Immobilizer System Indicator symbols used by manufacturers. One of these symbols lights momentarily to indicate that the ignition switch is locked and will need the proper transponder-equipped key to re-start. The vehicle is immobilized otherwise. Green symbols will flash when the vehicle is immobilized.
lock.gifIf the symbol is visible when the vehicle is on, it indicates a malfunction in the security system. If the engine does not start with the correct key, and the security indicator remains on, the system may have a malfunction. You will need to contact your dealer in either case.
Keep the Symbol meanings with you!


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1 Answer

Trys to start but wont, security light keeps flashing. gas tank indicator and rpm indicator wont respond at all, no movement.


Yes the security light will cause the truck to stall. Check out this link for info and solutions. This is definitely a security problem. http://vatspasslockpasskeysecurityhelp.yolasite.com/.

May 31, 2011 | GMC Jimmy Cars & Trucks

1 Answer

I havew a 1995 pontiac firebird that won't start. Th e security light keeps blinking when I try to start it. can you help me?


The security light flashing indicates it can't erad the chip in your key... try a different key

Jan 21, 2011 | 1995 Pontiac Firebird

2 Answers

1996 Olds Achieva: Security light flashes upon startup


Several GM products, including the Chevrolet Impala and Malibu, the Oldsmobile Alero, the Pontiac Grand Prix, and Saturn Ion, have issues with the Security light coming on. This is many times an indication of a failing Body Control Module (BCM). Initially, the Security light will come on then go off, progressing to a constant on light, before the car will refuse to start. Other symptoms may include erratic action of electronics, a clicking sound coming from the glove box, and the air conditioning failing to blow cold air. I recommend a shop that specializes in the electronic systems of vehicles to diagnosis and make the necessary repairs. They should keep the car until they replicate the symptoms described. A new BCM from GM should cost about $230; plan on another $200 for them to diagnose the problem, replace the unit, and program the new unit. The dealers quote between $700 and $1,100 for the same repair. My experience and the experiences I have read on the internet, indicate the new BCM should last only about a year.

Jul 11, 2009 | 1996 Oldsmobile Achieva

1 Answer

Car want start factor security light flashing and car want start battery went dead and wont start since tried to jump start and everything won work


The factory security light will remain on - this is a standard feature indicating the car is dead.
First, unplug the hazard fuze in the engine bay (this will reset the ecu and remove the flashing)

Next, replace the battery with a new one (or one with proper charge) - keep in mind a small battery will not do anything for these cars, the engines require a lot to push them over (it isnt a honda)
*Make sure to clean the positive and negative battery cables from acid

Then just start it up :)

Apr 04, 2009 | 1990 Nissan 300ZX

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