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Can the pats be disabled This has malfunctioned 4 times in the last 18 mo. I'm tired of paying the dealership for towing and two hours of diagnostics when we both know it's the pats2003 t bird.

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Posted on Jan 02, 2017

  • 61 Answers

SOURCE: 96 dodge caravan cranks but won't start, no dash light

Two things...
One: the dealer may be right about the alarm system. I had a similar problem with my 97 chev tahoe. The anti-theft device was shutting the electrical system down intermittently and without warning. I had to completely disconnect he system to remedy the problem.

Two: I came across a similar problem on a caravan at the shop once. At the front of the engine there is a brace (under the front of the vehicle near the rad support) There is a wiring harness the passes tightly around the brace. Sometimes the brace wears through some wires and causes the condition you are referring to. To fix the situation, you have to repair the broken/shorting wires.

Posted on Jul 24, 2009

  • 176 Answers

SOURCE: I recently purchased a 2007

The middle number of the tire size would be the aspect ratio (height) of the tire from the rim to the outer portion of the tire. If the aspect ratio is 60 instead of 65, that means you will have a shorter tire. The tire will have to rotate more times to cover the distance of the original size, therefore, if you are traveling 60mph, it will say you are traveling faster on your speedometer, and also the odometer will log more miles than actually traveled.

As long as all four tires are the same size, it will not affect anything mechanical other than what I mentioned above.Please let me know if I may further assist you.

Regards,
TXTEXAN

Posted on Mar 29, 2011

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1 Answer

How do I reset anti theft on2000 ford explorer


The passive vehicle protection system will be activated and will disable the vehicle from starting if there is a:
  • damaged encoded key.
  • unprogrammed key.
  • non-encoded key (key has no electronics).
  • wiring concern.
  • transceiver concern.
  • PCM concern.
  • module communications network concern.
Reset ? IF your anti-theft system light is flashing when trying to start your vehicle , an the engine doesn't crank , turn , or nothing happens when you turn key , then your anti theft system is at fault ! An trying to reset will not work ,you need to have it checked DTC'S - diagnostic trouble codes ,then fixed ! I suggest you have it towed to the dealer or a ASE certified repair shop !
PATS uses the powertrain control module (PCM) to enable or disable the engine. The PATS module communicates with the PCM over the SCP communication network in order to enable engine operation. The PATS module and the PCM use sophisticated messages in order to prevent a theft. The PATS and the PCM share security data when first installed together, making them a matched pair. After this security data sharing, these modules will not function in other vehicles. The PCM shared security ID is remembered even if the battery is disconnected. The PATS module also stores the vehicle's key identification code, even if the battery is disconnected. There are special diagnostic repair procedures outlined in this workshop manual that may be carried out if either the PATS module or the PCM needs replacement.

Jan 20, 2016 | Ford Cars & Trucks

1 Answer

My car thinks it is being stolen 2008 Ford Fusion anti theft has disabled ignition. Tried disconnecting the battery; remote entry with ikt; using key to unlock; hit panic button and turned it off with...


Hi Eileen , How do you know your having a anti-theft system problem ? Any lights flashing when you try to crank the vehicle ? The engine does not crank over ? If it is a anti-theft system problem ,disconnecting the battery is not going to do anything except lose some learned setting's in some control modules . There are a few thing's you can check but if none of these are the problem your going to have to have it towed to the dealer ! It'll need to be checked for DTC'S - diagnostic trouble codes !
PATS disables the vehicle from starting if there is:
  • a damaged PATS key.
  • a non-programmed PATS key.
  • a non-PATS key (key has no electronics).
  • damaged wiring.
  • a damaged transceiver.
  • a damaged instrument cluster.
Inspection and Verification
  1. Verify the customer concern.
  1. Visually inspect the following for obvious signs of mechanical or electrical damage.


Visual Inspection Chart Mechanical Electrical
  • Large metallic objects, a second passive anti-theft system (PATS) key on the same key ring as the PATS key, or electronic devices on the key ring that can be used to purchase gasoline or similar items
  • Ignition lock cylinder
  • PATS key
  • Use of a non-PATS key or incorrect PATS key
  • More than one PATS key on key ring
  • Remote start system installed
  • Smart junction box (SJB) fuse(s):
    • 13 (7.5A)
    • 23 (7.5A)
    • 26 (7.5A)
  • Circuitry
  • PATS transceiver
  • Ignition switch
  • Instrument cluster
You may not know where some of these things are located !

Mar 22, 2015 | 2008 Ford Fusion

1 Answer

Hi we have a hyundai coupe and the alarm keeps


Take/Tow your vehicle to an authorized Hyundai dealership and pay the diagnostic fee... they will tell you exactly what the problem is and the cost of parts/labor to fix it... at least this way you'll know what the problem is and what's required to fix it.

Oct 02, 2009 | 2000 Hyundai Accent

1 Answer

2000 accent shifts fine except overdrive never works


Take/tow the vehicle into a Hyundai Service Center (dealership), pay the diagnostic fee. They will tell you EXACTLY what the problem is and what's needed to fix it (parts, labor, tax, time-frame, etc.).

Jun 14, 2009 | 2000 Hyundai Accent

1 Answer

Engine light came on, then oil light, then battery light, then power steering went, then all shut down. Just had oil changed last week, on 90k miles.


Whenever the "Check Engine" light comes on, there is always a DTC (Diagnostic Trouble Code) stored in the ECM (Engine Control Module). You'll need an OBDII (On-Board-Diagnostics) scanner to retrieve any codes recorded/set in ECM. Once you do this and let us know what, if any codes are set, then we can go from there.
Take/tow the vehicle into a Hyundai Service Center (dealership), pay the diagnostic fee. They will tell you EXACTLY what the problem is and what's needed to fix it (parts, labor, tax, time-frame, etc.). You can also go to http://www.hmaservice.com/ and register (vehicle by VIN). Afterward, you'll have access to technical information (manuals, wiring diagrams, service bulletins, etc) about your vehicle.

Jun 13, 2009 | 2005 Hyundai Sonata

2 Answers

Pontiac aztek awd disabled


Mine does this same thing...After taking it to the dealer and paying lots of money I found the solution my self while changing the Driver Side tire. Look behind the tire there should be a little plug for the abs if it comes un plugged in any way or loose then it will disable the AWD. Worked for me hope this works..

May 17, 2009 | 2002 Pontiac Aztek

1 Answer

Car won't start. Have replaced plugs and oil filter. AA repair man checked plugs and got a shock.


Four elements must be present for engine operation: 1. Fuel, 2. Air Flow, 3. Ignition (spark), 4. Cylinder Compression (assuming everything is in time/synchronized). Did the Check Engine light come ON? Whenever the "Check Engine" light comes on, there is always a DTC (Diagnostic Trouble Code) stored in the ECM (Engine Control Module). You'll need an OBDII (On-Board-Diagnostics) scanner to retrieve any codes recorded/saved in ECM. Once you do this and let us know what it/they is/are, then perhaps we can help you. Otherwise, take/tow the vehicle into a Hyundai Service Center (dealership), pay the diagnostic fee. They will tell you EXACTLY what the problem is and what's needed to fix it (parts, labor, tax, time-frame, etc.).

May 04, 2009 | 2001 Hyundai Elantra

1 Answer

Fuel pump


Fuel pump in in the fuel tank. What do you want to know about the fuel pump? Tell you what, Take/tow the vehicle into a Hyundai Service Center (dealership), pay the diagnostic fee. They will tell you EXACTLY what the problem is and what's needed to fix it (parts, labor, tax, time-frame, etc.).

Apr 21, 2009 | 2001 Hyundai Elantra

1 Answer

Is there any way eliminate the anti-theft system on my 1999 windstar cause mine is malfunctioning and not allowing it to run (start). How many parts and connectors make up the system,anyways?


Anti-Theft —Passive The passive anti-theft system (PATS) contains the following components:

  • theft indicator
  • encoded ignition key
  • transceiver module
  • instrument cluster
  • powertrain control module (PCM)
  • standard corporate protocol (SCP) communication network
  • starter relay
The PATS uses radio frequency identification technology to deter a driveaway theft. Passive means that it does not require any activity from the user. This system is known as SecuriLock® in North America, Safeguard® in the U.K. and PATS in continental Europe. This information can be found in customer literature such as the Owners Guide.
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, with over 72 million billion combinations.
Each encoded ignition key must be programmed into the vehicle's instrument cluster before it can be used to start the engine. There are special diagnostic procedures outlined in the manual that must be performed if the encoded ignition keys need to be replaced.
The encoded key is larger than a traditional ignition key. The key does not require batteries and should last the life of the vehicle.
The transceiver module communicates with the encoded ignition key. This 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 the data to the instrument cluster.
The control functions are contained in the instrument cluster. This module performs all of the PATS functions such as receiving the identification code from the encoded ignition key and controlling the engine enable. The instrument cluster initiates the key interrogation sequence when the vehicle ignition switch is turned to RUN or START.
The PATS uses the PCM to enable or disable the engine. The instrument cluster communicates with the PCM over the SCP communication network in order to enable engine operation. The instrument cluster and the PCM use sophisticated messages in order to prevent a theft. The instrument cluster and the PCM share security data when first installed together that makes them a matched pair. After this security data sharing, these modules will not function in other vehicles. The shared PCM ID is remembered even if the battery is disconnected. The instrument cluster also stores the vehicle's key identification code even if the battery is disconnected. There are special diagnostic procedures outlined in this workshop manual that may be performed if either the instrument cluster or the PCM needs replacement.
All elements of PATS must be functional before the engine is allowed to start. If any of the components are not working properly, the vehicle will not start.
PATS uses a visual theft indicator. This 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 problem, this indicator will either flash rapidly or glow steadily (for more than three seconds) when the ignition switch is turned to RUN or START. PATS also "blips" the theft indicator every two seconds at ignition OFF to act as a visual theft deterrent.
PATS differs from perimeter anti-theft systems in that PATS enables and disables the engine from starting. If equipped, the perimeter anti-theft system protects the perimeter of the vehicle (doors, hood and trunk) and sounds an alarm.
PATS also disables the starter motor in addition to the PCM disabling the engine. When PATS disables the vehicle, it will neither crank nor start. If the instrument cluster is removed from the vehicle, the engine will not crank.
The starter relay is used as an additional means of disabling the vehicle engine. The starter relay is disabled when the PATS cannot read a valid encoded ignition key at ignition ON. The PATS will not store a diagnostic trouble code (DTC) or flash the theft indicator if a valid encoded ignition key is read but a fault occurs in the starter relay circuit.
The PATS is not compatible with after market remote start system, 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. Remote start systems must be removed before investigation of PATS-related no start issues.

Mar 06, 2009 | 1999 Ford Windstar

1 Answer

Chevy g20 van wouldnt start/stalling


It sounds like it may be a problem with the PATS (Passive Anti Theft System). Chevy has been having problems with PATS since 1992 til current. Even if your key doesn't have a visible "chip" in it, it is possible that you have the PATS system. The newer PATS systems work by recognizing the exact cut of the key. In some cases extremely worn out keys have been known to stop working correctly with your ignition. In worst case scenarios the ignition cylinder itself, which contains the other chip for PATS, wears out so badly that, one time in ten or more your vehicle doesn't recognize the key and fails to start. The logic is this: If a thief tries to jimmy the ignition, the PATS system shuts down the ignition system for 20 minutes (30 on some vehicles). This is supposed to discourage the thief from trying again, while still letting you start your vehicle. There are procedures for bypassing the PATS system on many vehicles, but it is not for the faint of heart. The wiring work itself isn't bad, but there are catches: 1) you must have the vehicle running while you make the modification in most cases, and not shut it off during the bypass. 2) It's recommended you install a switch in the bypassed wire so you can disable your bypass in case your vehicle needs service. 3) if the vehicle dies during the bypass for some reason, you may have to visit the dealership and get a new ignition cylinder, and a quick reprogram of the PCM or ECU to get it going again. (Pricey)

Jan 04, 2009 | 1993 Chevrolet G20

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