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Engine wont start pass lock system light on - 2000 Chevrolet Impala

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If there is a passenger key lock try turning it with key otherwise possible passenger lock modal no good

Posted on Jan 03, 2011

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Posted on Jan 02, 2017

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02 olds alero no start system shut down


Where did you try to by-pass at , with the 2000 ohm resistor ? Is the SECURITY light lit on the instrument cluster ? Probably has another problem other then the key . The anti-theft system in your vehicle can not be by-passed by using a resistor .

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.

Your best bet , take it to a qualified repair shop . Before you render it unfixable . (cost to much )

Jan 26, 2017 | 2002 Oldsmobile Alero

1 Answer

2000 grand am security light comes on can i bypass that with remote start


Are you the one who bought the vehicle new ? Replaced ignition switch or the ignition lock cylinder ? No , sorry, but a remote start will not by pass anti-theft system .

The vehicle theft deterrent system is designed in order to prevent vehicle theft by disabling the fuel injectors unless the lock cylinder is correctly engaged by a mechanical key. The theft deterrent system uses the following 4 components for theft prevention:
• The lock cylinder
• The ignition switch
• The body control module (BCM)
• The powertrain control module (PCM)
When starting the engine, the PCM searches for a password from the BCM through the Class 2 serial data circuit. If the password is not recognized or not present, the PCM will disable the engine. Two modes of tamper detection are provided:
No password received
The engine will start and stall quickly. SECURITY telltale will flash on the instrument panel cluster (IPC) and then stay ON steady.
Incorrect or disable password received (More than 3 invalid passwords are received)
The engine is disabled for at least 10 minutes and the SECURITY telltale will illuminate solid on the IPC during the 10 minutes.
After the vehicle has passed theft detection, the PCM will continue normal operation.

Jan 09, 2017 | Cars & Trucks

1 Answer

How do by pass the ant-theft on my 1999 pontiac grand am ? The light stays on all the time and the motor wont start.


Videos on you tube showing how to do it . Just search GM anti-theft by pass . There are a few different ones, VATS - pass key - pass - lock , 1 ,2 an 3 .

Feb 19, 2016 | 1999 Pontiac Grand Am GT

1 Answer

96 buick skylark starts & stalls, theft light on not flashing. Dissconnected map sensor still starts & stalls. No chip in key, changed fuel filter. whats goin on here?


This is pass lock antitheft system not pass key, pass key system is found on newer gm vehicles and has a transponder in the key. Pass lock system has a hall sensor on the lock cylinder.
System Operation
If the mechanical key is not used to start the vehicle, the PASSLOCK?"¢ system is designed to prevent vehicle operation. The mechanical key, in normal operation, will turn the PASSLOCK?"¢ lock cylinder. The PASSLOCK?"¢ lock cylinder will relay a Resistance Code (R-Code) to the instrument cluster. Within a preset time window started from an ignition switch input and will send a coded password to the powertrain control module (PCM). The instrument cluster will determine the validity of the R-Code. For the fuel injectors to operate normally, the powertrain control module (PCM) receives the correct code
Passlock System
Disabling the engine unless the PASSLOCK?"¢ lock cylinder is correctly engaged by a mechanical key. The PASSLOCK?"¢ system is designed to prevent vehicle theft. This system is similar in concept to the Passkey system. The PASSLOCK?"¢ eliminates the need for a key mounted resistor pellet. The components of this system are as follows:
?€¢
PASSLOCK?"¢ lock cylinder


?€¢
Ignition switch


?€¢
Instrument Cluster and Powertrain control module (PCM)


If the theft light is on there is a problem and a code set. You can try to do reset . Turn the key on , don't try an start the car . Let key on for 10 min. till the light goes out, if it goes out turn ignition off an wait a couple of min. then start the car

Dec 31, 2014 | 1996 Buick Skylark

1 Answer

Pass lock security system


if it just shuts off, try the auto shutoff relay box..it may be loosing connection with the rest of the harness..

Jan 11, 2014 | 2001 Chevrolet Blazer

1 Answer

Theft light keeps blinking and the engine wont crank over..


You must have the system scanned by the dealer to ID the cause of the false lock out. You can't really bypass the system.

Oct 02, 2012 | Ford F-150 Cars & Trucks

1 Answer

How to by pass a securety systhem on a pontiac montana 2002


If you want to defeat the system you need to make sure its the alarm system and not the ignition system,you are equipt with a pass lock system.Nothing in the alarm system change from the pellet type to the module of today,If you are trying to start the vehicle and the security light stays on.wait ten minutes with the key in the ON position,or until the security light goes off.Then turn the ignition to off before attempting to restart.

Apr 01, 2012 | Pontiac Montana Cars & Trucks

1 Answer

97 nissan maxima wont start


go to your pass side door and with the battery connected and lock and unlock the car with the key till the alarm turns off from the pass side

Mar 19, 2010 | 1997 Nissan Maxima

2 Answers

2000 S10 no start


I'd use a gage and check proper fuel pressure, key on engine off, 60--66 psi with spider fuel system.
Engine cranking did you visually check for spark at the spark plugs? Engine cranking is there a fuel injector pulse?https://s8.postimg.org/50arofh11/fuel_pump.jpg
Click on the link for fuel pump relay, you can check the fuse. At the fuel pump, gray wire is voltage, black is ground.

Apr 15, 2017 | 1997 Chevrolet S-10 Pickup

1 Answer

Engine kicks over but wont start? thieft light blinking?


Sounds like pass lock needs to be relearned or faulty electric part of ignition switch or BCM. If you have a key fob you can try locking and then unlocking the doors with it,then it might start.

Jun 17, 2009 | Chevrolet Malibu Cars & Trucks

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