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Thread: A JK key can start another !

  1. #1
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    Exclamation A JK key can start another !

    Something very strange happened today.
    I mixed up the key of my 2012 with that of a friend's key (2010 JK) .
    Both cars were already unlocked.
    His 2010 key turned my ignition and started the engine... But it auto shutdown after 2 seconds.
    My key, opened his ignition but didn't start the engine.
    This is WRONG and dangerous.
    The keys shouldn't even unlock the ignition... Let alone start the engine!!!
    How difficult is it for FCA to make keys with unmatched teeth ??

  2. #2
    Addict Ddays's Avatar
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    Quote Originally Posted by desertbuzz View Post
    Something very strange happened today.
    I mixed up the key of my 2012 with that of a friend's key (2010 JK) .
    Both cars were already unlocked.
    His 2010 key turned my ignition and started the engine... But it auto shutdown after 2 seconds.
    My key, opened his ignition but didn't start the engine.
    This is WRONG and dangerous.
    The keys shouldn't even unlock the ignition... Let alone start the engine!!!
    How difficult is it for FCA to make keys with unmatched teeth ??
    While highly unusual, this is possible to unlock different doors on other vehicles. The odds are really high so that this almost never happens though. The chip embedded in the key prevented the Jeep to stay running so it performed as it should.

  3. #3
    Addict JKbrick's Avatar
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    What is unlock the ignition? The steering wheel in mine doesn’t lock


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  4. #4
    Addict Ddays's Avatar
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    Quote Originally Posted by JKbrick View Post
    What is unlock the ignition? The steering wheel in mine doesn’t lock


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    I think he means he can turn the ignition switch on both since one of them actually started before the chip killed it.

  5. #5
    Knows a Thing or Two trailraider's Avatar
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    while there is thousands of key codes and cuts for the vehicles, there is always the possibility of two keys to have the same cut. I have seen it twice in my all my years with Chrysler. Look at all the new fobs, the square nose will fit in any WIN module vehicle. it's all code signatures now. key blank is now basically obsolete.
    Last edited by trailraider; 02-08-2019 at 07:33 PM. Reason: I spell like a 3 year old.
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  6. #6
    Knows a Thing or Two Dale72's Avatar
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    Quote Originally Posted by trailraider View Post
    while there is thousands of key codes and cuts for the vehicles, there is always the possibility of two keys to have the same cut. I have seen it twice in my all my years with Chrysler. Look at all the new fobs, the square nose will fit in any WIN module vehicle. it's all code signatures now. key blank is now basically obsolete.
    But with the fobs once the car is started you can walk away from the car and someone else can drive it as far and long as they don't turn it off and the fobs don't have to be in the car

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  7. #7
    Addict Ddays's Avatar
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    Quote Originally Posted by trailraider View Post
    while there is thousands of key codes and cuts for the vehicles, there is always the possibility of two keys to have the same cut. I have seen it twice in my all my years with Chrysler.
    I had an old Trailduster I drove in college that had the same key as another guys truck. Once I figured it out I used to totally fuck around with this guy once every week moving his vehicle into different lots. Worked until he did a stakeout and caught me!

    Quote Originally Posted by Dale72 View Post
    But with the fobs once the car is started you can walk away from the car and someone else can drive it as far and long as they don't turn it off and the fobs don't have to be in the car
    Will the car shift out of park without the fob in the car? I never tried this but don't think it'll work

  8. #8
    Knows a Thing or Two trailraider's Avatar
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    [QUOTE=Will the car shift out of park without the fob in the car? I never tried this but don't think it'll work[/QUOTE]


    It will , we just had a JL stolen last week, salesman left the vehicle running *poof* gone.
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  9. #9
    Knows a Thing or Two Dale72's Avatar
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    Quote Originally Posted by Ddays View Post
    I had an old Trailduster I drove in college that had the same key as another guys truck. Once I figured it out I used to totally fuck around with this guy once every week moving his vehicle into different lots. Worked until he did a stakeout and caught me!



    Will the car shift out of park without the fob in the car? I never tried this but don't think it'll work
    Yes all you need the fobs for is to start the car that's it

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  10. #10
    Knows a Thing or Two trailraider's Avatar
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    Quote Originally Posted by Ddays View Post
    I had an old Trailduster I drove in college that had the same key as another guys truck. Once I figured it out I used to totally fuck around with this guy once every week moving his vehicle into different lots. Worked until he did a stakeout and caught me!



    I did that to a guy I work with for months, he actually thought he was losing his marbles. I finally broke down and told him it was me. I would always do subtle changes, just enough to notice but not enough to be blatant of what i did.

    it was great.
    Jeep- Adult version of lego

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