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Does the security system disable the starting function?

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Yes

Posted on Dec 31, 2010

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My passat central locking self locks when I leave the car


the security system is more than likely programmed to auto lock when ignition key removed and when door closed after you exit the car if you have a owners manual it should explain how to able/disable that function using the dash functions controls if that does not work you have a security system fault and you need to visit a vw garage good luck

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Disable 1998 dodge ram security system


Hi Connie, Im AL the owner of Big As Auto Repair.

Connie, you can't disable the security system because it is wired to other controllers like the engine controller and disabling it will cause the engine not to start and run. Go to my auto-repair-website below, click on 'Contact Us" and tell me exactly what is happening that the security system must be disabled. Don't worry the website and the help is free. Go Here: http://www.bigasautorepair.com/

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Whr is my fuel pump reset button on my 2003 grand am? Its security lock, it wont get any fuel. It cranks but wont start. Not getting any fuel. First time ever happening


There is no reset button.
The problem could be the anti-theft system which would knock out the injectors and spark to the plugs.
If the security light is staying on, the problem could be the chip in the key.

Oct 26, 2015 | Cars & Trucks

1 Answer

Pt cruiser locks its self if left running


This is a "Normal" function of the factory security[anti-thieft] system and is a thorn in every mechanics side!!! short of disabling the factory security system,[not a good idea since it affects other aspects of the car's functions] I'm not aware of much you can do about it besides keeping your remote[if equiped] with you instead of on your key ring...

Jan 10, 2011 | 2001 Ford Taurus

1 Answer

HOW DO YOU FIX THE ALERO ANTI THEFT PROBLEM IF IT KEEPS COMIING ON


I am assuming the light you are talking about is the "SECURITY" light on the dash. Your Alero is equipped with GM's Passlock system which cuts fuel to your engine if it determines that a source other than the key is trying to start the car.

I found this online, i posted it somewhere else as well and heard it would work...goodluck

PASSLOCK I or II DISABLEMENT
The following is a procedure to disable Passlock I or II Systems for vehicles in which remote start/stop system installations are required. This procedure is required because a remote start system will not function with the current Theft Deterrent System (Passlock) which is included on many 1996 and up GM vehicles.

Please note that this modification is intended to be used only in conjunction with the installation of a remote start/stop system and does not provide a procedure to install a remote start/stop system.

CAUSE
If an attempt is made to start a vehicle by a means other than a key rotation in the ignition switch, the Body Control Module (BCM) will interpret this start as a vehicle theft and disable the fuel injectors.

CORRECTION
A minor wiring modification may be made to allow the vehicle to be started remotely. This modification includes adding a switch to allow the customer to select "ON" to disable Passlock or "OFF" for normal Passlock operation.

CAUTION: When this modification is performed and the switch is set to the ON position, the theft deterrent feature will be disabled. When the theft deterrent is disabled the SECURITY or THEFT telltale will light up indicating that the theft deterrent system is NOT functioning.

PASSLOCK MODIFICATION
Refer to appropriate GM service manuals and/or SVMQP Electrical Guideline Manual for instruction on splicing and electrical connections.
1. Select a suitable on-off switch (see note below) which will be used to disable/enable the Passlock System. Mount the switch in a location such that it is accessible to the driver and will not interfere with normal vehicle operation.
NOTE: This is an extremely low current circuit (approx. 7mA), it is therefore very important that a high quality, low energy, fast acting switch be utilized for this application.
2. Turn the ignition switch to the OFF position.
3. Locate the Main Ignition Switch Harness in the Column. GM's Passlock System wires exit the Ignition Switch Tumbler together and then join with the Main Ignition Switch Harness. (See http://www.bulldogsecurity.com/ or http://64.85.6.118/diagrams/diagrams.asp and select your Make, Model and Year for wire colors and clues on the quickest way to access these wires.)
4. Locate the Yellow Passlock Data Wire which is included in a bundle of three tiny (20 GA) wires wrapped in friction tape.
Cut this wire and splice a 0.5mm2 (20 GA) yellow wire to each end of the cut wire.
Keep wire length to a minimum. Route modification wires clear of moving parts.
Connect the yellow wires to the switch such that the contacts are OPEN when the switch is in the ON position.
5. Turn modification switch to the OFF postion (contacts closed).
6. Start vehicle to verify normal operation. If engine "cranks but will not start" recheck the switch position (contacts should be closed), wire connectors and modification wiring.

SWITCH OPERATION
To enable remote start:
Start the engine with the ignition key (modification switch must be in the OFF position). Turn modification switch to the ON position (contacts open). The SECURITY or THEFT telltale will light up indicating that the Passlock System is inoperative.Once the SECURITY or THEFT telltale has been on for at least 5 seconds the vehicle can be turned off and then remotely started.

To disable remote start:
The Passlock System can be reactivated by turning the modification switch OFF (contacts closed). Vehicle can either be running or off when this is done.

Please note that the VCM/PCM will record Diagnostic Trouble Codes (DTCs) related to the security system when the modification switch is in the ON position (circuit open). This is due to the way that the VCM/PCM interprets this condition.

NOTICE
Any condition which removes battery power from the Vehicle Control Module/Powertrain Control Module (VCM/PCM) (e.g. dead battery, disconnected harness connectors, etc.) will prevent the vehicle from being restarted. If the engine exhibits a "cranks but will not start" symptom, place the modification switch in the OFF (contacts closed) position. This will reactivate the Passlock System and allow the vehicle to be started with the ignition key.

Hope helps (remember to rate and comment this).

Sep 22, 2010 | 2002 Oldsmobile Alero

1 Answer

Our security dumbie light came on. It is not driving any differently


The passkey module has malfunctioned, or your ignition key resistor is missing, or the key reader is not functioning.

With a functional passkey system and this condition the car would only run for a short while before turning off, or refuse to start.

This car still works since the security system in the 1997 Buicks were defective and will not actually prevent the vehicle from starting if it does not detect a coded ignition key.

This problem is safe to ignore but you could bring it to the dealer (or a shop that can flash the PCM) and disable the security module to eliminate the light.

Mar 15, 2010 | 1997 Buick LeSabre

1 Answer

Security system stuck on no start 2002 dodge durango


You need to buy a remote key fob and have it programed.The factory security system can't be easly disabled.

Feb 19, 2009 | 2002 Dodge Durango

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