Deactivate engine theft switch - 2000 Saturn SL

To deactivate the anti-theft system use the unlock button on the remote key. Unlock the driver's door using the key and then switch the ignition switch to the on position. If that doesn't work exit the vehicle and roll up all windows, then use the key to lock the driver's door.

If you could deactivate an anti-theft system, it wouldn't be called an anti-theft system. You can't disable it.

Hi Carol , do you mean PATS passive antitheft system ? Locked up your car ,do you mean it won't crank over an start ?
The passive anti-theft system uses radio frequency identification technology to deter a driveaway theft. Passive means that it does not require any activity from the user.

• During each vehicle start sequence, the ignition key identification code is requested by the vehicle protection anti-theft electronics.
• If the key's ID code has been programmed into the system, the powertrain control module (PCM) (12A650) is signaled to enable the vehicle to start.
• If the key's ID code is not programmed into the system, or if no encoded key is detected, then the powertrain control module is signaled to disable the vehicle.

The passive anti-theft system communicates the state of the security system to the powertrain control module via the J-1850 communications network data link connector (DLC). The powertrain control modulebased on the communications from the passive anti-theft system, will determine if the vehicle's engine is enabled to start. The passive anti-theft system differs from the active anti-theft alarm system in that the passive anti-theft system enables/disables the vehicle from starting and only operates with the ignition switch in RUN/START position. The active anti-theft alarm system has perimeter protection capabilities and operates only with the ignition switch OFF. Refer to Section 13-11A for active anti-theft alarm system information.
Vehicle Disabling The passive anti-theft system will be activated and disable the vehicle from starting if any of the following conditions exist:

• damaged encoded key
• unprogrammed key
• non-encoded key (key has no electronics)
• wiring concern
• transceiver concern
• Passive Anti-Theft System (PATS) control module concern
• J-1850 Communications Network concern
• Powertrain Control Module (PCM)

If it is a factory anti theft unit you can not unless there is a tuner for your vehicle

have the ecu reprogrammed

try locking and unlocking the pass side door with the key suppose to deactivate it

For the 1998 the system it was called VTSS (vehicle theft security system) the activation and deactivation is in the door switch. So inside the driver and passenger door lock switch was the trigger.To deactivate use the door switch (there is no key immobilizer ,it wasnot invented yet)

WELL YOU CANT DEACTIVATE THEFT SECURITY SYSTEM.YOU HAVE TO REPLACE EITHER KEYS WORN OUT OR THE IGNITION SWITCH KEYLOCK CYLINDER OR BCM NEED REPLACING AND REPROGRAMMED BEFORE CAR WILL CRANK.

If the owners manual doesn't tell you the procedures to deactivate the anti-theft module, you might have to call the GM dealership and ask the service department how to deactivate the anti-theft module. I think it's key "ON" key "OFF" key "ON" key "OFF" key "ON" and then wait for 20 minutes then try to start the engine. Good luck, Gary

the anti theft device is in the engine manidgement system so a bit arquward to de active ,