Question about 1995 Nissan Altima

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Vehicle is in anti-theft mode and will not start.

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  • Nissan Master
  • 8,273 Answers

Try putting the key in the driver's door lock, lock and then unlock the door.

Posted on Oct 06, 2010

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6 Suggested Answers

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  • 2 Answers

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Posted on Jan 02, 2017

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jwyatt816
  • 3 Answers

SOURCE: 2000 Cadillac Deville DTS is in anti- theft mode

you can reset the system by turning key to on position for 5-10 mins and then try starting it but its probably a short or grounding prob try the engine to chassis ground

Posted on Oct 03, 2008

  • 56 Answers

SOURCE: reset a passive anti-theft module

its dealer time, sorry for the bad news.

Posted on Mar 02, 2009

  • 176 Answers

SOURCE: anti theft code P1629

try leaving the key on for 5 to 10 minutes
for the BCM (body control module) to relearn

Posted on Jun 30, 2009

chuck943
  • 783 Answers

SOURCE: 2000 ford windstar anti theft light flashing vehicle won't start

This means that your key is not being recogonized.Ethier the chip in the key is bad or the patts transciever at the lock cylinder. Do you have a spare key? If not you will have to get 2 new keyss cut and programmed.

Posted on Feb 16, 2009

dizzydezz
  • 8 Answers

SOURCE: 1997 toyota 4runner anti theft system prevent ignition. How do we deactivate anti theft system.

you have to call tyota and thet have to send you a new computer

Posted on May 25, 2009

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1 Answer

Hotwire ignition switch on 2005 impala


Why ? Anti-theft system problem ? The ignition switch on this vehicle is a input to a control module (BCM) body contol module !
This vehicles BCM functions as the Power Mode Master (PMM). Refer to Power Mode Description and Operation for a complete description of power mode functions.
You could probably get the engine to crank but if the system doesn't see a coded message from the transponder in the PASSKEY 3 key the anti-theft system software won't let the vehicle start and run . Plus the steering wheel may not unlock and also it may not come out of gear ! Can You Hotwire car Like in the Movies Hollywood Secrets Revealed

Dec 08, 2016 | Cars & Trucks

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99 explorer alarm disables. Motor dies


Anti-theft system can keep vehicle from starting , Alarm is for vehicle content theft , open door without key alarm sounds (horns) ! PATS - passive anti theft system PATS enables and disables the engine from starting ,it will not cause the engine to die ! You have some other kind of problem ! If the vehicle engine doesn't turn over an red light on top of dash flashes fast ,then you have anti-theft system problem !
PATS differs from the perimeter anti-theft system 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.

Aug 17, 2016 | Cars & Trucks

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How do I reset the ProLock system?


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)

Apr 15, 2015 | 1995 Ford Taurus

2 Answers

My 2000 passat is in anti theft mode and won't start


Make sure that the battery is in a fully charged condition and reconnect, Positive post first and then the negative (This helps to avoid accidental short circuiting) Close all doors, bonnet/hood boot windows etc. Lock the vehicle with the key. Leave vehicle for at least 10 minutes without disturbing it. Unlock vehicle and start the engine. I have had to use this method on various makes of vehicle. It allows the system to reset. PLEASE NOTE the battery must be fully charged.

May 02, 2014 | 2001 Pontiac Aztek

1 Answer

2003 Saturn Vue with a identity anti theft system. Replaced my battery a few months ago. Couple weeks ago noticed a little difficulty starting up. Last week wouldn't start just clicking noise. Jumped...


Anti-theft system has nothing to do with it . Battery cables , maybe , Park neutral safety switch possibly ! With anti-theft system problem you wouldn't a click or anything , that is if the anti-theft disables fuel or the starter . Plus the SECURITY light would be on if it were a anti-theft system problem . Your best bet , take it to a qualified repair shop that knows how to do starter circuit testing >
Starter Voltage Drop
How to voltage drop test starter motor circuit

And what's this identity anti theft system ? No such thing ! The vehicle has a content theft an vehicle theft deterrent system !
This system disables fuel not cranking of the engine. The VCM/PCM will not disable the fuel due to any BCM message for the remainder of the ignition cycle.
If the VCM/PCM does not receive the same password from the BCM as the last learned one, the vehicle will start and then stalls due to the Fuel Lockout.

May 17, 2017 | Cars & Trucks

3 Answers

My car is stuck in anti theft mode and I cant get my car to start


The problem is your Vats security system. This causes the car to either "not start" or "shut down" while running. (depending on the system) If the security light flashes, i guarantee that this is what the problem is. 1st trick, turn the key forward 2 clicks till right before it would normally start, leave like that for 10 minutes. ( no less ) After 10 minutes, turn key back then forward and your car might start.
Cheap fix:
----- http://vats.likeabigdog.com/
----- Bypassing the key
Never worry again fix:
----- http://newrockies.ca?ap_id=judd0081
----- With this fix, you can take that whole Vats, passlock, passkey **** system out of your car all together. Good info on both sites

Jan 12, 2011 | 2001 Pontiac Aztek

1 Answer

Truck wont start son was playing with the security system and now it wont start


Hello you will need to head in to your ford dealership your vehicle is in anti theft mode you will need proof of ownership the dealer will provide a unlock code each vehicle is equipped with it's own serial numbers their for each car is appointed it's own anti theft code but will charge usually $35.00 or $65.00.This is the only solution available to you.

Jan 09, 2011 | 2000 Ford Expedition

2 Answers

My theft light is flashing but my 1997 expedition wont start.The vehicle turns over but just don't start.


ANTI-THEFT SYSTEM Passive anti-theft system
Your ignition key has a unique imbedded transponder which engages engine electronics and allows the vehicle to be started. Without the use of your special ignition key, the vehicle will not start.

During each vehicle start, the coded key is read by the anti-theft system. If the key’s ID code matches the code in the anti-theft system, the vehicle is enabled to start.

Anti-theft system
Briefly illuminates when the ignition is turned to the ON position to verify that the passive anti-theft system is operating properly.

Also, its possisble that tou have actovated the fuel pump switch.

CHeck it.

Jul 20, 2010 | 1998 Ford Expedition

1 Answer

Anti-theft


if the vehicle starts then stops and the anti-theft light is flahing you may need to re-set the pass-key system to do this you will need to atempt to start the vehicle and when it stalls leave the key in that position and watch the anti-theft light. it should flash on and off for about 5 to 10 minutes. when it stops flahing turn the ignition to off then try to restart your vehicle

Mar 19, 2009 | 1998 Pontiac Grand Am

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