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How do i bypass key sentry - 2000 Jeep Grand Cherokee

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Try taking the battery off for about twenty minutes..let it set...then stick key in ignition turn all the way except to start position make sure key is brand new with correct resistor pellet for make of car.... let set for about five minutes..start up car, if security light doesn't go out there's a problem with the security computer and will need to be repaired or replaced.

Posted on Sep 30, 2009

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Can anyone help me out I lost my only key of Jeep Grand cheeroke limited 1999. I had one replacement but it's not with a chip.the Jeep starts up and goes off.Any solution to bypass this system please.


A question often asked, so I wrote this :>)

Want to bypass your vehicle security system?

The short answer is you can't!

All modern cars have alarms and immobilizers. There is a chip in the key and a chip in the ignition lock. If both are present, the ECM (engine control module) releases power to the ignition circuit. When you turn the key, the starter spins the engine and you get a spark. If any one of those three items are not in the chain, you get the engine to turn, but no spark. There is no way to beat the system.

The immobilizer is in place to stop exactly what you are trying to do.

Posted by Andrew... on Mar 26, 2016

Nov 30, 2016 | Jeep Cars & Trucks

1 Answer

How can i bypass the skim made by siemens


There is no way you can. The immobiliser is there to stop EXACTLY what you are trying to do. There is a chip in the key, a chip in the ignition lock and if both are present the ECM releases power to the ignition system.

Mar 24, 2016 | 1997 Dodge Stratus

2 Answers

Can i disconnect the anti theft on a 2005 dodge grand caravan


You can not disable this system. The powertrain control module (PCM) programmed look for the Transponder Key (your ignition key has micro chip code). You will have replace your ignition switch and get new key reflashed by a dealer or locksmith

Mar 13, 2015 | 2005 Dodge Caravan

1 Answer

What is a immobilizer key


It's the part of your ignition that reads your chipped key. If your key is damaged or the key sentry immobilizer is faulty it may prevent your vehicle from starting. Usually your vehicle comes with a non chipped valet bypass key just for that reason

Oct 11, 2014 | Cars & Trucks

1 Answer

Need to bypass my factory anti theft device on my 2001 PT Cruiser 5 speed


I believe you are referring to the immobilizer in your key for your car. Unfortunately there is not a way around this factory anti theft system. However most delearships have the ability program new keys for you.

If you had two valid keys that were already programed to the car's immobilizer you can simply buy another key with a programmable immobilizer chip, usually referred to as a sentry key. These keys are available at some hardware stores for cheaper then you would find at a dealership. So if you have the old keys and a new blank key you can follow the following procedure in most cars to program the new key:

1. Bring the replacement sentry key to a hardware store or dealership. Have it cut to match the original valid sentry keys.
  • 2. Place the first valid key into the PT Cruiser's ignition and turn to the ON position for a minimum of three seconds and a maximum of 15 seconds. Turn ignition switch off until it is in the LOCK position and remove the key.
  • 3. Within 15 seconds, insert the second valid key and turn the ignition to the ON position. Wait ten seconds or until a chime sounds and the vehicle security light begins to flash. Turn the ignition off until it is in the LOCK position and remove the key.
  • 4. Within 60 seconds, insert the new blank sentry key into the ignition switch and turn it to the ON position. Wait 10 seconds or until you hear a single chime and the vehicle security light stops flashing. Look for the indicator light on the dashboard. If it turns on for three seconds and then turns off, the key has been successfully programmed.
  • Apr 17, 2014 | 2001 Chrysler PT Cruiser

    1 Answer

    I un connected the battery to my dodge charger 06 and then reconnected it now it will not start what could be wrong with it


    CUSTOMER LEARN METHOD
    The Customer Learn feature is only available on domestic vehicles, or those vehicles which have a U.S. country code designator. This programming method also requires access to at least two valid Sentry Keys. If two valid Sentry Keys are not available, or if the vehicle does not have a U.S. country code designator, the Secured Access Method MUST be used to program new or additional valid keys to the SKREEM/WCM. The Customer Learn programming method procedures are as follows:
    1. Obtain the blank Sentry Key(s) that are to be programmed as valid keys for the vehicle. Cut the blank key(s) to match the ignition switch lock cylinder mechanical key codes.
    2. Insert one of the two valid Sentry Keys into the ignition switch and turn the ignition switch to the On position.
    3. After the ignition switch has been in the On position for longer than three seconds , but no more than fifteen seconds , cycle the ignition switch back to the Off position. Replace the first valid Sentry Key in the ignition switch lock cylinder with the second valid Sentry Key and turn the ignition switch back to the On position. The second valid Sentry Key must be inserted in the lock cylinder within fifteen seconds of removing the first valid key.
    4. About ten seconds after the completion of Step 3, the security indicator in the instrument cluster will start to flash to indicate that the system has entered the Customer Learn programming mode.
    5. Within sixty seconds of entering the Customer Learn programming mode, turn the ignition switch to the Off position, replace the valid Sentry Key with a blank Sentry Key transponder, and turn the ignition switch back to the On position.
    6. About ten seconds after the completion of Step 5, the security indicator will stop flashing, stay on solid for three seconds , then turn off to indicate that the blank Sentry Key has been successfully programmed. The SKREES/ SKIS will immediately exit the Customer Learn programming mode. After the ignition is cycled the vehicle may be started using the newly programmed valid Sentry Key.
    NOTE: The Remote Keyless Entry (RKE) Transmitter will also be programmed during this procedure.

    Each of these steps must be repeated and completed in their entirety for each additional Sentry Key that is to be programmed. If the above steps are not completed in the given sequence, or within the allotted time, the SKREEM/ WCM will exit the Customer Learn programming mode and the programming will be unsuccessful. The SKREEM/ WCM will also automatically exit the Customer Learn programming mode if it sees a non-blank Sentry Key transponder when it should see a blank, if it has already programmed eight (8) valid Sentry Keys, or if the ignition switch is turned to the Off position for more than about fifty seconds .

    NOTE:
    • If an attempt is made to start the vehicle while in the Customer Learn mode (security indicator flashing), the SKREES/SKIS will respond as though the vehicle were being started with an invalid key. In other words, the engine will stall after about two seconds of operation. No faults will be set.
    • Once a Sentry Key has been programmed as a valid key to a vehicle, it cannot be programmed as a valid key for use on any other vehicle.

    Jun 09, 2011 | 2006 Dodge Charger

    1 Answer

    2003 Chrysler T&C Key programming


    STANDARD PROCEDURE - TRANSPONDER PROGRAMMING USING A DRB III® SCAN TOOL All Sentry Keys included with the vehicle are pre-programmed to work with the Sentry Key Immobilizer System (SKIS) when it is shipped from the factory. The Sentry Key Immobilizer Module (SKIM) can be programmed to recognize up to a total of eight Sentry Keys. When programming a blank Sentry Key transponder, the key must first be cut to match the ignition lock cylinder of the vehicle for which it will be used. The vehicle's four digit PIN code will be required to complete this task since you will need it to enter the Secured Access Mode in the SKIM. The following steps must be completed using a DRB III® scan tool:
    1. Insert the blank key into the ignition and turn it to the RUN position.
    2. Using a DRB III® scan tool, select "Theft Alarm," "SKIM," "Miscellaneous," and then "Program New Key."
    3. Enter the four digit PIN code using the DRB III® scan tool. When programming is completed, the SKIM will exit Secured Access Mode and the DRB III® scan tool will display the results of your attempt to program the key. One of five distinct results may be displayed. All five are listed below:
      • "Programming Successful" is displayed if the Sentry Key programming is successful.
      • "Learned Key in Ignition" is displayed if the key in the ignition has already been programmed into that vehicle's SKIM.
      • "Eight Keys Already Learned (At The Maximum) Programming Not Done" is displayed if eight keys have already been programmed into the SKIM. In this case, if a new key needs to be added due to a lost or defective key, the "Erase All Keys" command (which requires entering the Secured Access Mode) has to be performed. Following the "Erase All Keys" command, all keys that will be used to operate the vehicle MUST be reprogrammed to the SKIM.
      • "Programming Not Attempted" is displayed after an "Erase All Keys" function is executed.
      • "Programming Key Failed" is displayed if further diagnosis is required.
    To learn additional keys, turn the ignition OFF, remove the learned key, insert the next new blank key, and repeat the steps from the beginning.
    “CUSTOMER LEARN” MODE This feature is only available on domestic vehicles or those which have a U.S. country code designator. This procedure requires access to at least two valid Sentry Keys. If two valid Sentry Keys are not available, Sentry Key programming will require the use of a DRB III® scan tool.
    The steps required to program Sentry Keys with two valid Sentry Keys follows:
    1. Obtain the blank Sentry Key(s) that need to be programmed. Cut the keys to match the ignition lock cylinder mechanical key codes.
    2. Insert one of the two valid Sentry Keys into the ignition switch and turn the ignition switch to the ON position.
    3. After the ignition switch has been in the ON position for longer than three seconds, but no more than fifteen seconds, cycle the ignition switch back to the OFF position. Replace the first valid Sentry Key in the ignition lock cylinder with the second valid Sentry Key and turn the ignition switch back to the ON position. The second valid Sentry Key must be inserted within 15 seconds of removing the first valid Sentry key.
    4. About ten seconds after the completion of Step 3, the indicator light will start to flash and a single audible chime tone will sound to indicate that the system has entered the "Customer Learn" programming mode.
    5. Within sixty seconds of entering the "Customer Learn" programming mode, turn the ignition switch to the OFF position, replace the valid Sentry Key with a blank Sentry Key transponder, and turn the ignition switch back to the ON position.
    6. About ten seconds after the completion of Step 5, a single audible chime tone will sound and the indicator light will stop flashing and stay on solid for three seconds and then turn off to indicate that the blank Sentry Key has been successfully programmed. The SKIS will immediately exit the "Customer Learn" programming mode and the vehicle may be started using the newly programmed Sentry Key.
    These steps must be completed in their entirety for each additional Sentry Key to be programmed. If any of the above steps are not completed in the given sequence, or within the allotted time, the SKIS will exit the "Customer Learn" programming mode and the programming will be unsuccessful. The SKIS will also automatically exit the "Customer Learn" programming mode if:
    • It sees a non-blank Sentry Key when it should see a blank.
    • If it has already programmed eight (8) valid Sentry Keys.
    • If the ignition switch is turned to the OFF position for more than about fifty (50) seconds.
    NOTE: If you attempt to start the vehicle while in “Customer Learn” mode (LED flashing), the vehicle will behave as though an invalid key is being used (i.e. the engine will stall after two (2) seconds of running). No faults will be logged.
    NOTE: Once a Sentry Key has been programmed to a particular vehicle, it cannot be used on any other vehicle.

    Oct 15, 2009 | 2003 Chrysler Town & Country

    3 Answers

    I misplaced my Dodge Nitro key. The dealer wants


    The Customer Learn programming method procedures are as follows:

    1. Obtain the blank Sentry Key(s) that are to be programmed as valid keys for the vehicle. Cut the blank key(s) to match the ignition switch lock cylinder mechanical key codes.

    2. Insert one of the two valid Sentry Keys into the ignition switch and turn the ignition switch to the ON position.

    3. After the ignition switch has been in the ON position for longer than 3 seconds, but no more than 15 seconds, cycle the ignition switch back to the OFF position. Replace the first valid Sentry Key in the ignition switch lock cylinder with the second valid Sentry Key and turn the ignition switch back to the ON position. The second valid Sentry Key must be inserted in the lock cylinder within 15 seconds of removing the first valid key.

    4. About 10 seconds after the completion of Step #3 , the security indicator in the instrument cluster will start to flash and a single audible chime will sound to indicate that the system has entered the Customer Learn programming mode.

    5. Within 60 seconds of entering the Customer Learn programming mode, turn the ignition switch to the OFF position, replace the valid Sentry Key with a blank Sentry Key transponder, and turn the ignition switch back to the ON position.

    6. About 10 seconds after the completion of Step #5 , a single audible chime will sound and the security indicator will stop flashing, stay ON solid for 3 seconds, then turn OFF to indicate that the blank Sentry Key has been successfully programmed. The SKIS will immediately exit the Customer Learn programming mode. After the ignition is cycled the vehicle may be started using the newly programmed valid Sentry Key.

    Each of these steps must be repeated and completed in their entirety for each additional Sentry Key that is to be programmed. If the above steps are not completed in the given sequence, or within the allotted time, the SKIS will exit the Customer Learn programming mode and the programming will be unsuccessful. The SKREEM will also automatically exit the Customer Learn programming mode if it sees a non-blank Sentry Key transponder when it should see a blank, if it has already programmed 8 valid Sentry Keys, or if the ignition switch is turned to the OFF position for more than about 50 seconds.smile.gif

    Mar 10, 2009 | 2007 Dodge Nitro R/T New Cars

    3 Answers

    Remote keyless entry


    “CUSTOMER LEARN” MODE This feature is only available on domestic vehicles or those which have a U.S. country code designator. This procedure requires access to at least two valid Sentry Keys. If two valid Sentry Keys are not available, Sentry Key programming will require the use of a scan tool.
    The steps required to program Sentry Keys with two valid Sentry Keys follows:
    1. Obtain the blank Sentry Key(s) that need to be programmed. Cut the keys to match the ignition lock cylinder mechanical key codes. 2. Insert one of the two valid Sentry Keys into the ignition switch and turn the ignition switch to the ON position. 3. After the ignition switch has been in the ON position for longer than three seconds, but no more than fifteen seconds, cycle the ignition switch back to the OFF position. Replace the first valid Sentry Key in the ignition lock cylinder with the second valid Sentry Key and turn the ignition switch back to the ON position. The second valid Sentry Key must be inserted within 15 seconds of removing the first valid Sentry key. 4. About ten seconds after the completion of Step #3 , the indicator light will start to flash and a single audible chime tone will sound to indicate that the system has entered the "Customer Learn" programming mode. 5. Within sixty seconds of entering the "Customer Learn" programming mode, turn the ignition switch to the OFF position, replace the valid Sentry Key with a blank Sentry Key transponder, and turn the ignition switch back to the ON position. 6. About ten seconds after the completion of Step #5 , a single audible chime tone will sound and the indicator light will stop flashing and stay on solid for three seconds and then turn off to indicate that the blank Sentry Key has been successfully programmed. The SKREES will immediately exit the "Customer Learn" programming mode and the vehicle may be started using the newly programmed Sentry Key.

    NOTE: The Remote Keyless Entry (RKE) Transmitter will also be programmed during this procedure. These steps must be completed in their entirety for each additional Sentry Key to be programmed. If any of the above steps are not completed in the given sequence, or within the allotted time, the SKREES will exit the "Customer Learn" programming mode and the programming will be unsuccessful. The SKREES will also automatically exit the "Customer Learn" programming mode if:
    1. It sees a non-blank Sentry Key when it should see a blank.
    2. If it has already programmed four (4) valid Sentry Keys.
    3. If the ignition switch is turned to the OFF position for more than about fifty (50) seconds.

    NOTE: If you attempt to start the vehicle while in “Customer Learn” mode (LED flashing), the vehicle will behave as though an invalid key is being used (i.e. the engine will stall after two (2) seconds of running). No faults will be logged.
    NOTE: Once a Sentry Key has been programmed to a particular vehicle, it cannot be used on any other vehicle.

    Jul 16, 2008 | 2007 Dodge Caravan SXT Minivan New Cars

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