Question about 1998 GMC Jimmy

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CAR ATTEMPTS TO START BUT EVERYTIME IT ONLY STAY CRANK FOR A SPLIT SECOND. AT THE SAME TIME THE SECURITY LIGHT IS FLASHING. WE TRIED TO REBOOT SYSTEM BUT SOME ONE SAID IT COULD BE THE COMPUTER BOX. BUT IN THE MEANWHILE I HAD THE FUEL PUMP REPLACE. SO IF YOU COULD PLEASE HELP ME FIGURE THIS PROBLEM OUT I WOULD APPRECIATE IT.

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It sounds like your starter Kill switch is engaging. If you have an after market alarm installed cut the power to that by removing the in line fuse or cutting the power wire. If the alarm was part of the vehicle, which sounds possible based on your post, you can try resetting the ECM by removing the Negative battery terminal for 1 min then reconnecting. There should also be a fuse for the alarm in your fuse panel. If you remove that it should disable the kill switch.

Posted on Oct 12, 2010

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Your vehicle's theft deterrent passlock system is in "tamper" mode. It disables the fuel injectors. The system is notorious for crapping out and stranding people for the slightest glitch. Old key, low battery, solenoid jumping.. or fuel pump replacement.. Dunno what type of "reboot" you did, so can't give you a clear solution, but googling passlock and "relearn" or "reset" will give anyone reading this plenty of leads.

Posted on May 25, 2014

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Posted on Jan 02, 2017

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1 Answer

95 chevy lumina.. security light flashing car wont start, passkey 2.. can i relearn it? how can i fix it cheap??


If your key has the black bump on the side of it, you can try to clean it. That is the resistor for the security system. The ignition reads that bump and if the resistance doesn't match, it won't start.

Nov 27, 2013 | 1995 Chevrolet Lumina

1 Answer

Security light flashing won't stay steady and car won't crank tried boosting off didn't not work check all fuses what can the problem be??


The flashing light means the computer thinks the car is being stolen.
Either the chip in the key has failed, or the sensor in the lock cylinder.
You can try a spare key if you have one.

Sep 02, 2013 | 1997 Buick LeSabre

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Reset security system


To review - the factory VATS security system will not let the engine crank or start if the wrong key is used or there is a problem with the system.
So if the engine was cranking the security system was not at fault.
You may have to get a used shop manual to get the testing procedures for a no start-stall problem.

Feb 25, 2013 | 1999 Chevrolet Cavalier

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Security light is flashing. car will not start on my 2003 oldsmobile alero


I OWN a 2001 Olds Alero and the same thing happens to mine.. It's an easy fix..
1. Turn the Key to ACC (keep it in this mode for the entire 10 minutes).
2. The security light on the Dashboard will flash for exactly 10 minutes..
3. Once the 10 mins are over, the security light will stay solid..
Wait for the red light to disappear off the dashboard...
YOU ARE NOW READY TO TURN YOUR CAR OFF AND RESTART YOU CAR....

SIMPLE FIX..
I DO THIS ALL THE TIME TO MINE..

Nov 06, 2012 | 2003 Oldsmobile Alero

1 Answer

2007 Mazda 3 I wont crank, security light keep blinking


You need a scanner hooked up then look at the sensors in the security system, one is defective and causing this problem.

Feb 28, 2017 | Mazda Cars & Trucks

1 Answer

My car will not start up and stay running it cuts off after a split second I've been told its my fuel pump went I know I need new plugs do you think that might be it a tune up?


Right after the car stalls, look for a light on the dash that says SECURITY. This is an indicator that you have a failing antitheft system. When the system fails, the car mistakenly thinks it's being stolen, and turns off the injectors in 5 seconds or less, thus stalling the vehicle. Very common problem on GM vehicles. This link explains the problem and offers solutions.

http://vatspasslockpasskeysecurityhelp.yolasite.com/

Feb 01, 2012 | Pontiac Grand Prix Cars & Trucks

1 Answer

My 2000 Cavalier has been sparatically not starting. The theft system light as well as the service light have been coming on sparatically as well. The lights and everything work, and the car attempts to...


it sounds like you have a factory alarm problem and its not leting you start the car. is the security light flashing on the dashboard after you tried starting it? if so you are going to have to reprogram the key. you try to start the car and leave key on until security light goes out it should take about ten minutes or so if light does not go out try again. i have done this on some cars as many as 3 times before it started be careful not to drain battery.after the light goes out shut off key and try to start.

Jan 28, 2011 | Chevrolet Cavalier Cars & Trucks

2 Answers

I drove the car to my mothers yesterday, went to my dads got there just finr. We went to leave and the car won't start turn over nothing. The security light is flashing. My dad could get it to start from...


you need to get a new ign. lock cylinder and chip key. Or you can get a lock cylinder and copy your old key with a regular key no chip. Take new cylinder, put old chip key in it. Plug into harness at the bottom of steering column just behind the dash, fine orange wire from existing one in the column. Hide lock cylinder under dash and start car with copy of old key.

Dec 26, 2010 | 1991 Buick Park Avenue

2 Answers

Car wont start, will not reset, security light always on


try locking and unlocking the drivers door with the key. [sometimes if you reach to un lock door through window it it sets off security]

May 15, 2009 | 2003 Oldsmobile Alero

2 Answers

Car dies seconds after it starts


possible tps sensor or iac valve you can pull neg cable pull plug off iac pull it out clean iac reinstall if it runs thats ur problem

Dec 07, 2008 | 1995 Oldsmobile Achieva

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