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Immobilizer bypass I have a audi 500e ,i lost my keys so i had them re cut but now my immobilizer is activated and i dont have the immobilizer anymore,how do i deactivate the alarm manually.

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6ya6ya
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Posted on Jan 02, 2017

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pcastal
  • 90 Answers

SOURCE: 2000 Model toyota camry lost all keys

If you have lost all keys, you must see a Toyota dealership to have them reseed the immobilizer and cut a new key or keys. They shouldnt charge you more than 2-2.5 hours labor plus the cost of keys. I do these all the time

Posted on Jan 25, 2009

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SOURCE: I dont know where to hook up immobileizer bypass wire

An immobilizer bypass is an electrical circuit which allows current to flow to whatever component is starved of current to keep the engine from running (usually the coil). The immobilizer opens the circuit to the coil, the immobilizer bypass closes the circuit to the coil.

If you didn't install an immobilizer circuit, then you don't need the bypass. There are probably instructions you missed in the manual explaining the immobilizer circuit.

Posted on Apr 30, 2009

Mr BrokRench
  • 1623 Answers

SOURCE: immobilizer

If there is a blinking car icon with an "X" over it. This icon means the Immobilizer has been activated and hence won't allow the car to start. It could be due to a bad SCU, Start Control Unit. The SCU is actually the ignition switch on these cars.
Most of the time it's triggered by the anti-theft system..You can try this trick i learned that the dealers won't tell you...try locking and unlocking of the doors five times with the remote to reset the immobilizer and see if this helps.
Good luck..i hope this helps...please take a minute to rate me a fixya.

Posted on Jul 15, 2009

  • 1 Answer

SOURCE: 2001 toyota rav4. how do you deactivate the alarm

Followed your recommendation of holding the valet (red) button for 6 seconds. It deactivated the alarm system and I was able to start the vehicle. This solution saved me from buying another key from the dealership (139$) and a programming charge of (100$). And not to mention the time saved from towing the vehicle to the dealership. I can't thank you enough for time and money saved with this valuable service. Will be signing up with your service when I get back from Orlando.

Posted on Aug 19, 2009

  • 370 Answers

SOURCE: Have a 2001 RAV4. Tried to

if this is a factory alarm... good luck
If this is an after market alarm you will find a black box under the steering colum that will probly be ziptied to something you will notice most of them have a knob to adjust the sensativity level on them just unplug it and make sre you vehicle will start after you unplug it most alarm systems just slice into other wires not rout them through it so it will not hurt anything to just unplug it.
make sure to click the satisfied button when your done with your answers.
Thank you for using Fixya.com

Posted on Mar 19, 2010

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KEY ON THAT CAR NOT THAT EXPENSIVE. IT HAS TO BE ORDERED BY A DEALER. THEY WILL NEED CAR VIN# . IT WILL BE THE ORIGINAL KEY CUT. YOU DON'T HAVE TO REPLACE IGNITION LOCK OR DOOR LOCK CYLINDERS. THEN IT HAS TO BE PROGRAMMED TO IMMOBILIZER ALSO BY DEALER.

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Vw beetle does not start. seems like its some kind of anti theft protection. the car/key icon lights up, it turns over for a second , then off. this is the first time this has happened, but we bought it...


First of all you need to programm all ignition keys using suitable diagnostic equipment (VAS, VAG-Com) connected to the data link connector of the car.

You have an electronic immobilizer key recognition problem. Now your key chip is not recognized by the transponder antenna fitted on the ignition switch barrel.

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    This warning lamp indicates that the engine is locked by the immobilizer system, and the engine start sequence must be repeat again.

    From year 1995 in Audi-VW (VAG) cars is used engine immobilizer. The VAG group immobilizer system consists of an immobilizer ECU which controls the recognition of keys and the Engine Management ECU system. Immobilizer is activated when the ignition key is removed and, together with the engine control unit, largely prevents unauthorized starting of the engine. The system uses a transmitter and receiver unit in the ignition key (transponder). Whenever an attempt is made to start the engine, it transmits a new code to the car's electronics. The immobilizing is only cancelled and car motor electronic receives permission to start engine if the key sends a right authorization code.

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    TRY THIS IT MAY OR MAY NOT HELP.PUT KEY IN THE IGNITION SWITCH TURN IT TO ON POSITION WITH THE ENGINE OFF.LEAVE KEY ON POSITION THE IMMOBILIZER WARNING LAMP ILLUMINATES FLASHES.IF WARNING LAMP TURNS OFF IN 30 SECONDS TRY CRANKING CAR.SEE IF IT RUNS WITH OUT CUTTING OFF IF SO.THE AUDI DEALERSHIP HAS TO REPROGRAM THE NEW IGNITION KEY. WHILE THE KEY IN THE IGNITION SWITCH IN THE ON POSITION AND THE WARNING LAMP DONT STOP BLINKING THE DEALERSHIP HAS TO REPROGRAM KEY TO THE IGNITION SWITCH AND IMMOBILIZER.

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    Hi I have a 1998 Polo and lost the key. I got a knew key cut and it has a chip in it. It starts the car momentarily and then cuts out. Does the key need programeing or is this a car fault ?


    The Key needs to be adapted to the immobilizer. This Can only be done by an Audi Dealer. You will have to take the vehicle to them so that they can read the immobilizer serial no with a diagnostic reader. They then have to get an immobilizer code from VW and use it to adapt your keys. Only they do it to insure the security of your vehicle.

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    Audi a4 throttle control unit


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    I dont know where to hook up immobileizer bypass wire


    An immobilizer bypass is an electrical circuit which allows current to flow to whatever component is starved of current to keep the engine from running (usually the coil). The immobilizer opens the circuit to the coil, the immobilizer bypass closes the circuit to the coil.

    If you didn't install an immobilizer circuit, then you don't need the bypass. There are probably instructions you missed in the manual explaining the immobilizer circuit.

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    no, you will half to get it towed to dealer and have a computer chip key cut from your spare key then thay will program it to the vehicle

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    2000 Model toyota camry lost all keys


    If you have lost all keys, you must see a Toyota dealership to have them reseed the immobilizer and cut a new key or keys. They shouldnt charge you more than 2-2.5 hours labor plus the cost of keys. I do these all the time

    Dec 01, 2008 | 2002 Toyota Camry

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