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SecuriLock, also known as Passive Anti-Theft System (PATS), is Ford Motor Company's immobilizer technology. In 1996 the technology started showing up on select models of Ford, Lincoln, and Mercury vehicles. The keys have a radio frequency transponder embedded in the plastic Head with a unique electronic identification code.


When the vehicle is started, the on-board computer sends out an RF signal which is picked up by the transponder in the key. The transponder then returns a unique RF signal to the vehicle's computer, giving it confirmation to start and continue to run. This all happens in less than a second. If the on-board computer does not receive the correct identification code certain components, such as the fuel pump and on some the starter, will remain disabled.

Replacement keys[edit]

Replacement keys can be purchased through the dealer or a 3rd party. The key must be compatible with the vehicle. Before the key can be used to start the vehicle it must be programmed. Programming can be done by inserting the original key(s) as well as the new key into the ignition.

With PATS I, programming of a new key can be done with just one working key. With PATS II, two working keys are required for reprogramming. This helped ensure that only the owner of the vehicle can make duplicate keys. If a second working key is not available programming will need to be performed by the dealer.


For the 1999 model year, all Ford Motor Company vehicles equipped with the Passive Anti-Theft System use the PATS II system. The PATS II system was introduced on roughly half of the PATS equipped vehicles for the 1998 model year. The other half of the PATS equipped vehicles for the 1998 model year were equipped with the PATS I system. Many 2000 and later Ford vehicles use the E-PATS system, which uses an encrypted transponder in the key.

List of equipped vehicles[edit]

PATS I equipped vehicles include the following.

  • 1998 Contour V6 Duratech
  • 1996-1997 Mustang
  • 1996-1997 Taurus LX and SHO
  • 1997-1998 Expedition
  • 1997 Mark VIII
  • 1998 Mystique LS
  • 1997-1998 Navigator
  • 1996-1997 Sable (Not all were included.)

PATS II equipped vehicles include the following:

  • 2003-2005 Aviator
  • 2002-2003 Blackwood
  • 2006 Mark LT
  • 1998-2007 Mustang
  • 1998-2006 Taurus LX, SE, and SHO
  • 1998-2007 Explorer
  • 1999-2006 Expedition
  • 2000-2005 Excursion
  • 2001-2006 Escape
  • 2000-2007 Focus
  • 1998-2002 Continental
  • 1998-2006 Crown Victoria
  • 1999-2004 Ranger V6 (In 2006, all Rangers were included.)
  • 1999-2014 F150 and F250 LD
  • 1999-2000 Contour V6
  • 1999-2004 Windstar
  • 1999-2006 Navigator
  • 1998-2006 Town Car
  • 2005-2006 Mariner
  • 2003-2005 Marauder
  • 1999-2002 Cougar
  • 1998-2006 Grand Marquis
  • 1999-2006 LS6 and LS8
  • 2006 Milan
  • 1997-1998 Mark VIII
  • 1998-2007 Mountaineer
  • 2005-2006 Montego
  • 2004-2006 Monterey
  • 1999-2000 Mystique LS
  • 1998-2005 Sable
  • 2002-2005 Thunderbird
  • 2006–present Fusion
  • 2005–present Freestyle
  • 2004–present Freestar
  • 2005-2006 GT
  • 2005-2007 Five-Hundred
  • 2006 Zephyr/MKZ
  • 2010 Ford Figo


Original courtesy of Wikipedia: http://en.wikipedia.org/wiki/SecuriLock — Please support Wikipedia.
This page uses Creative Commons Licensed content from Wikipedia. A portion of the proceeds from advertising on Digplanet goes to supporting Wikipedia.

107 news items

Appleton Post Crescent

Appleton Post Crescent
Mon, 26 Oct 2015 05:00:00 -0700

... battery saver, push-button engine start, automatic headlamps, daytime running lamps, SecuriLock passive anti-theft system, remote keyless entry system, MyKey, and tire pressure monitoring system. SEL adds reverse sensing system and intelligent access.
Wausau Daily Herald
Mon, 10 Aug 2015 05:00:00 -0700

... electronic stability control, traction control, hill start assist, engine immobilizer, automatic power door locks, battery saver, side-intrusion door beams, SYNC communications system, SecuriLock passive anti-theft system, and tire pressure ...


Wed, 18 Nov 2015 19:11:15 -0800

... 真皮包覆桃木多功能方向盘,前座椅加热冷却系统,THX-II认证5.1声道环绕音响系统,第二排-第三排衣帽钩,防磨损铝合金门踏板,前安全气囊,侧安全气帘,胎压监测系统,儿童安全锁,SOS危机预警系统,SecuriLock被动防 ...

Appleton Post Crescent

Appleton Post Crescent
Fri, 24 Apr 2015 09:18:45 -0700

... with push button start, alarm system, MyKey, SNYC communications system, limited slip rear axle, automatic high intensity discharge headlamps with wiper activation, Securilock passive anti-theft system, tire mobility kit, and tire pressure ...


Fri, 05 Jun 2015 14:16:31 -0700

SecuriLock Passive Anti-Theft System W/Engine Immobilizer 6; Perimeter Anti-Theft Alarm 2; Front License Plate Bracket 55; Short Arm Power Adjustable Heated Aero Exterior Mirrors W/Turn Signals 1; Long Arm Non-Telescoping, Power Adjustable Exterior ...

Breitbart News

Breitbart News
Sun, 07 Jun 2015 17:58:45 -0700

"Traffic across the greater Metropolitan Area came to a halt this afternoon, as Federal authorities activated the wireless State SecuriLock feature on all cars north and southbound on I-595 based on information that ISIS Caliphate operatives were ...

Realty Today

Realty Today
Tue, 15 Sep 2015 03:26:02 -0700

... and front passenger; Rear view camera; Safety Canopy® side-curtain airbags; SOS Post-Crash Alert SystemTM; Illuminated entry; Individual Tire Pressure Monitoring System; Perimeter alarm; Remote keyless entry; Securilock® Passive Anti-Theft System.


Sat, 30 May 2015 00:08:13 -0700

Perimeter Anti-Theft Alarm 1; Trailer Wiring Provisions 1; SecuriLock Passive Anti-Theft System W/Engine Immobilizer 1; 2 Additional Power Keys 4; 10-Passenger Seating Configuration 8; 3.5L EcoBoost V6 Engine 1; Short Arm Power Adjustable Heated Aero ...

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