Question about Audiovox APS901 Car Prestige Remote Start

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2002 Lincoln Towncar, Audiovox asp901, customer lost her keys and had new ones cut and reprogrammed. Now the remote start will not work. The pats light flashes and it wont start with the remote. I need to reprogram the pats bypass to make it work. Thanks!

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The PATS bypass module should have disconnected during the new key programming. First, you need two programmed keys present. Put the first key in the ignition, turn ignition on, wait for security light to go out. Remove key, immediately put second key in the ignition and turn ignition on. Wait for the security light to go out, remote start vehicle with controller, immediately remove key. Let the vehicle start and run for approximately 10 seconds. Apply brake to shutdown, wait approximately 10 seconds. Remote start to test. If vehicle does not start, repeat process.

Posted on Sep 15, 2010

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Locked keys in 1999 lincoln town car executive and no keyless entry. can I gain entrance without an expensive locksmith?


Hello Jennifer Jackson...

No... even LINCOLN windows are harder to break
(sorry... your LINCOLN is pretty secure).

Worse... the best price I've paid to get a double sided
PATS (passive anti-theft system) key cut = $6.

Bring your own key... But this was all about the price of PREVENTING your current situation... (oops).

If your ONLY key is truly "inside"...
Your goose is pretty much cooked... The cost of
the LOCKSMITH is pretty trivial compared to your
alternatives... Dealers will zing you MUCH BETTER
than your "expensive locksmith"...

But what ever you do... (my recommendation)... Since
you prefer not to be prepared... (no door code or FOB)
Don't pass on the opportunity to have that same SMITHY
at least tell you about your door code POSSIBILITIES
or at least program a remote FOB for you ...

A RESPONSIBLE "expensive locksmith" will
explain the WISDOM of NEVER having less than 2 (TWO) transponder keys. (by reading your owners manual you can program the FOBs yourself (FREE).

How do you manage the "no" keyless entry...?
I remain pretty sure the number pad... & KEY FOB
(wireless transmitter) were standard equipment...

2 SPARE keys minimum... ALWAYS.

SEALED Strattec Ford Mercury Lincoln PATS Transponder Chip Key UNCUT H72...

NEW FORD KEYLESS ENTRY CAR REMOTE FOB PAIR amp TWO UNCUT TRANSPONDER KEY...

1998 1999 2000 2001 2002 2003 Lincoln Town Car FOB Remote Transponder Car...

Carnac the Magnificent

Jan 06, 2017 | 1999 Lincoln Town Car

1 Answer

I cannot get the Pats system on a 1999 Ford Taurus to reset to learn a new remote fob. What could be the problem.


Ford Passive Anti-theft System (PATS) - KCSS ...

https://kcss-transportation-technology.wikispaces.com/share/.../61579706
The passive anti-theft system (PATS) uses radio frequency identification .... This hasreset instructions when you get to the point where she turns over but won't ... Took the truck to a Ford dealer and they recommended replacing the ... http://www.f150forum.com/f6/1999-f150-4-6-wont-start-anti-theft-light-flashing-129601/Missing: learn

Reference: - Ford Anti-Theft (PATS) ' FordForumsOnline.com

www.fordforumsonline.com > Ford Tech Forums > Sound & Security

Oct 26, 2010 - 16 posts - ‎3 authors
Ford SecuriLock Overview PATS is a vehicle security feature ... be noted that PATS is not your Remote Keyless Entry (Key Fob). ... The PATS Control Modules flashes the "Theft" lamp to show system ... keys are currently qualified for the 2000/1Taurus/Sable, 2001 Windstar, ..... 1999 Taurus DOHC 145,000.Missing: learn

Reprogramming procedure for Mercury, Ford and Lincoln ...

www.autorepairinstructions.com/?p=171

Jan 14, 2016 | Ford Cars & Trucks

1 Answer

How do I reset anti-theft on a 1996 Ford Mustang after replacing the ignition?


Ignition what ? Switch ,Ignition lock cylinder ? New keys ? do they have the transponder pellet in the head. Do you have a security lit flashing when trying to start the vehicle ?
SECTION 419-01: Anti-Theft - PATS 1999 Mustang Workshop Manual GENERAL PROCEDURES Procedure revision date: 11/06/1998 Key Programming -Erase All Key Codes and Program Two Keys
Special Tool(s) > New Generation STAR (NGS) Tester or equivalent
418-F048 (007-00500) NOTE: This procedure is used when a customer needs keys programmed into the system and does not have two programmed ignition keys available. This procedure is also useful when programmed ignition key(s) have been lost or the ignition switch assembly has been replaced, and it is desired to erase key(s) from the passive anti-theft system (PATS) memory.
NOTE: This procedure will erase all programmed ignition keys from the vehicle memory and the vehicle will not start until two keys have been reprogrammed to the vehicle.
NOTE: Two PATS encoded keys with the correct mechanical cut must be available to perform this procedure. One or both of them may be the customer's original keys.
NOTE: If additional keys are to be programmed, refer to Key Programming - Program a Key Using Two Programmed Keys. If the remaining keys are with the customer and are not available with the vehicle, then instruct the customer to refer to the Owners Guide under the "Programming Spare [SecuriLock ® (North America), Safeguard ® (U.K.) or PATS for all other markets] Keys Procedure" for instructions on programming the remaining keys.
  1. Turn the ignition switch from OFF to RUN.
  1. Enter New Generation STAR/Service Bay Diagnostic System (NGS/SBDS). Follow the SECURITY ACCESS PROCEDURE to obtain security access.
  1. From NGS/SBDS menu, select IGNITION KEY CODE ERASE.
  1. NOTE: Do NOT select any additional commands from this menu.
    Turn the ignition switch to OFF and disconnect NGS.
  1. Insert the first encoded key into the ignition lock cylinder and turn the switch to RUN for three seconds.
  1. Insert the second encoded key into the ignition lock cylinder and turn the switch to RUN for three seconds.
  1. The vehicle should now start with both ignition keys.
You'll need to take to the dealer

Mar 19, 2015 | Ford Mustang Cars & Trucks

1 Answer

Bypass ignition switch/antitheft


Check with your local lock smith, most of them cam reprogram your PATS system. Buy an ignition switch with keys from an autoparts warehouse or online but make sure that the one you order hase PATS keys. the description should not " programming required" You will have to have 2 keys.

Dec 18, 2013 | 1997 Lincoln Mark VIII

1 Answer

I have 1999 isuzu rodeolost my key cut new one engine cranking no spark or injector what can i do


sounds like the lost ket is a PATS key, and the new cut key, while matching tumblers in the ignition is not coded to the PCM to allow starting. recommend check with dealer, have your registration and VIN# ready, dealer can reproduce a PATS key that should start your vehicle.

DW Mylin

Nov 27, 2012 | Cars & Trucks

1 Answer

Lincoln Towncar won't start


When the theft light blinks fast when trying to start the car, check if this occurs; if yes, then the car is in theft mode. I do strongly believe the next step is to program the keys. If the PCM was bad, the light would be steady when trying to start which indicates the PATS system is working correctly.

Oct 06, 2011 | 2001 Lincoln Town Car

2 Answers

It won,t start . Theft light is flashing.


GONNA HAVE TO TAKE IT TO THE DEALER, SORRY

Apr 13, 2011 | 2002 Ford Taurus

2 Answers

Remote starter does not work after the battery change. How to reprogram it? Audiovox ID:BGAAV2TF


Turn key on and press valet button 3 times then press butoon on remote.Turn key of and thats it

Nov 14, 2009 | Car APS921 Remote Starter - Keyless Entry

3 Answers

I PUT IN A USED CLUSTER AND WONT START 2001 LINCOLN LS V-8


The key(s) may need to be reprogramed to the ignition. Car security issue I think, from what you are saying.

Aug 21, 2009 | 2002 Lincoln LS

1 Answer

2003 ford winstar only key broke in the ignition so i replace the the ignition and reprogramed brainbox however vehicle anti theft light keeps blinking when vehicle is on and off


the anti-theft light is supposed to blink when the car is locked to show the system is armed.

Does it flash while driving?

Principles of Operation
The PATS uses a specially encoded ignition key. Each encoded ignition key contains a permanently installed electronic device called a transponder. Each transponder contains a unique electronic identification code out of over 18 billion, billion combinations.
The passive anti-theft system (PATS), also known as SecuriLock ®, uses radio frequency identification technology to deter a driveaway theft. This system is known as Securilock® in North America, Safeguard® in the U.K., and PATS in Continental Europe. Passive means that it does not require any activity from the user.
The SecuriLock® System (PATS) is not compatible with aftermarket remote start systems, which allow the vehicle to be started from outside the vehicle. These systems may reduce the vehicle security level, and also may cause no-start issues. If equipped the remote start system must be removed before investigation of PATS-related, no-start issues.
Each encoded ignition key must be programmed into the vehicle's powertrain electronic control (PCM) before it can be used to start the engine. There are special diagnostic repair procedures described in this section that must be carried out if a new encoded ignition key is necessary.
This system contains a new feature named Unlimited Key Mode. This feature allows a customer to program more than eight keys to the vehicle if they request it. Each vehicle in Unlimited Key Mode is set up with a special Unlimited Transponder Security Key. This allows all the customer vehicles to share the same keys, but no other keys from outside can be used to operate the vehicles. For an individual customer, any randomly selected Security Key is acceptable. Refer to Unlimited Key Mode Programming in Key Programming Switch State Control in this section.
The PATS transceiver module communicates with the encoded ignition key. The module is located behind the steering column shroud and contains an antenna connected to a small electronics module. During each vehicle start sequence, the transceiver module reads the encoded ignition key identification code and sends data to the PCM.
The control functions are contained in the PCM. This module carries out all of the PATS functions, such as receiving the identification code from the encoded ignition key and controlling the engine enable. The PCM initiates the key interrogation sequence when the vehicle ignition switch is turned to RUN or START.
All elements of the PATS must be functional before the engine is allowed to start. If any of the components are not working correctly, the vehicle will not start.
The PATS uses a visual theft indicator. The indicator will prove out for three seconds when the ignition switch is turned to RUN or START under normal operation. If there is a PATS concern, this indicator will either flash rapidly or glow steadily when the ignition switch is turned to RUN or START. The PATS system also flashes the theft indicator every two seconds at ignition OFF to act as a visual deterrent.
The following will activate the PATS and will disable the vehicle from starting:
  • incorrectly encoded ignition key
  • damaged encoded ignition key
  • unprogrammed key
  • non-encoded key (key has no electronics)
  • damaged wiring
  • damaged transceiver
  • damaged PCM

May 26, 2009 | 2003 Ford Windstar

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