Question about Jeep Wrangler

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Jeep one year old. Keyless just stopped working. Engine starts for a second then cuts off. Replaced battery in key/remote and still doesn't work. Now alarm sounds if opened with the key the old fashioned way...through lock in the door.

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Assuming you have a second key try using that one to deactivate the alarm, if not replace battery in remote. Does lock and unlock work now? you will need to get the remote operational to disengage the security feature that will not allow car to start.
if not disconnect the car battery let sit for 15 min to reset system try again..make sure bettery in remote is installed properly.

Posted on Nov 28, 2008

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Posted on Jan 02, 2017

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Remote and key will not unlock the door


When Your Keyless Entry Doesn't Work
  1. Make Sure the Problem Is the Remote: Chances are that your car came with a backup keyless entry device or key fob, so be sure to try that backup one first to make sure that the problem is indeed associated with the non-working key. If the second/backup key fob doesn't work, then the problem lies within the car itself. This can be due to a number of things, including a broken transmitter or memory card and faulty locking mechanisms (such as when door lock switches and motors burn out).
  2. Replace the Battery: Most automotive key fobs can simply be split open via a small slot on the side of the remote, and inside you will find a small coin battery. When a keyless entry device stops working, the first thing you should do is replace that battery, especially if that device is over a year old. The old battery will have a number on it that will indicate the battery size. If you are afraid of breaking the device, you can always bring it to a battery store and have them do it for you. eprogram the Remote: A third common problem seen with car remotes involves loss of memory. This problem is especially seen when there has been a faulty battery in the device. Fortunately, reprograming the remote is a simple process. In most cases, all you need do is enter the vehicle with your key, close the doors, and reprogram the remote by inserting the key in the ignition. Don't start the car but rather rapidly flip the key back and forth between the first and second settings until you hear a chime (similar to a door ajar signal). Press one of the remote buttons (this confirms the programming operation) and then wait for a second chime. Finally, remove the keys from the ignition, exit the vehicle and close and lock all doors, and wait around 20 seconds before trying the remote again to see if it works. Do keep in mind that the exact steps for programming a particular key fob will depend on the make, model, and year of the vehicle, so always consult your owner's manual for specific instructions.

Sep 28, 2016 | Cars & Trucks

2 Answers

Changed battery in keyless remote and now doesn't start car or open doors


  • HOW TO - Change the battery and quick fix your car remote ...

    ? 9:32
    https://www.youtube.com/watch?v=KzCXGXCe0oc
    Sep 1, 2011 - Uploaded by tyreeztt
    Also if your remote isn't working with a new battery please check out this ... TO - Change the battery and quick fix your car remote / keyless entry ...

    Remote Key does not lock / unlock doors after battery change ...

    www.6speedonline.com/.../208274-remote-key-does-not-lock-unlock-do...
    Apr 17, 2010 - After I changed the battery, it would no longer lock / unlock the doors. ... I can start the call and all .. its just the door and trunk lock / unlock function that does not seem to work . ... now your fob is learned... the keyless entry goes into a "sleep" mode to preserve the batt.. if u do not use the ... Still don't work .

    how do i reprogram my lock remote to my car? i changed my ...

    www.cargurus.com > Questions > Hyundai > Tiburon

    CarGurusAug 17, 2009 - i change my battery an now my lock an un lock buttons dont work on my remote how o i reprogram it? ... I have a Hyundai 2003 Tiburon, and the followingworked for me, get ... However for a replacement keyless remote fob, you will have to go to ... And no, they don't do it for free (ranges from $30-$50 in my ...

    Top 5 Tips in Fixing a Keyless Remote ' eBay

    www.ebay.com > ... > Safety & Security > Keyless Entry Remote / Fob
    Key fobs that don't permit entry can be a major hassle for drivers, but fortunately, there... Drivers with a bit of basic electronics experience are often able to replace their ...After confirming that a remote is faulty, try replacing its battery. ... like "Jeep Wranglerkeyless remote," to find listings that will work with specific vehicles.

Jan 26, 2016 | 2005 Ford Freestyle

1 Answer

I replaced the left side power window switch from a different jeep. and now my keyless remote doesn't work? jow do i get it to work?


test battery of your remote controller. then check connection just you did. if lock electronics/window are out of order antitheft system probably wont be allowing remote control to lock doors properly

Nov 07, 2011 | 1997 Jeep Grand Cherokee

1 Answer

Keyless remote stopped working, I replaced battery


The 1997 to 2003 Dodge Caravan and Grand Caravan use a standard key and remote setup with a separate remote fob. However, the 2004 to 2009 Dodge Caravan and Grand Caravan use a combination key and remote on one device. To program a new keyless entry remote for the 1997 to 2003 Dodge Caravan, you must have at least one functional remote, which is required to enter synchronization mode. To program the combination key for the 2004 to 2009 Dodge Caravan, you must have two functional combination keys. If you do not, you'll need to see an authorized Dodge dealer for keyless entry programming assistance.


2004 to 2009 Caravan Programming Instructions
  1. Insert one of your working combination keys into the ignition. Turn it to "On"; leave it in this position for about 10 seconds but no longer than 15 seconds. Turn it to "Off" and remove it.
  2. Insert your second working combination key into the ignition within 15 seconds of removing the previous key. Turn it to "On". After 10 seconds, you'll hear a chime and the "Theft" light will begin to flash, entering synchronization mode. Turn the key to "Off" and remove it.
  3. Insert the combination key you want to program. Turn it to "On." After 10 seconds, you'll hear a chime; then the "Theft" light will turn off. When the light turns off, the combination key--including the key and the remote--is programmed.
  4. Repeat Step Three for each combination key you want to program. A total of eight can be programmed.
Hope this help (remember comment and rated).


May 08, 2010 | 2008 Dodge Grand Caravan

2 Answers

Keyless Remote Won't Work - But Car Starts


The remote receiver unit is located in the rear view mirror. This may be faulty. Since the car is new (less than a year?) you still may have the factory warranty.

Jan 16, 2010 | 2009 Volvo S40

1 Answer

My keyless entry stopped working on my 2005 Jeep Liberty. Replaced the battery on the key and tried my backup key nothing happens.


YOU WILL PROBABLY NEED TO HAVE THE REMOTES REPROGRAMED TO YOUR JEEP IT SOUNDS LIKE THEY LOST THEIR PROGRAM,LOTS OF THINGS CAN CAUSR THAT TO HAPPEN ,LIKE HAVING THEM TO CLOSE TO A MAGNET LIKE LAYING YOUR KEYS ON THE HOME STEREO SPEAKER,OR CLOCK RADIO,DROPPING THEM SEVERAL TIMES, ETC,& ITS POSSIBLE THEY WILL NEED TO BE REDONE AFTER THE BATTERY REPLACEMENT.

Dec 05, 2009 | 2005 Jeep Liberty

1 Answer

I have 2002 Jeep Liberty (Sport) - won't start!


Your security system could have a problem, replace battery in keyless remote. If not helping you may have to take it somewhere and have security system checked

Sep 17, 2009 | 2003 Jeep Liberty

1 Answer

Remote keyless entry will not unlock vehicle, but interior elec power works, NO ENGINE!


I had the same problem with my 2007 Sahara Unlimited. I'll make a long story as short as possible. For a number of years my son ran a Chrysler / Jeep dealership and I contacted him (I bought my Jeep from him before he got out of the business) and he told me this is a sporadic problem with the Wrangler line. To the point of calling him I had tried everything and nothing worked...insert key, turn, nothing...all electrical worked, lights, power windows, radio, etc, etc. He told me to disconnect the negative power connection on the battery for a second or two then re-attach. Insert key, engine starts, everything works as advertised.

Essentially, my son told me this "re-boots" the system. For whatever, and to his knowledge, never explained by Jeep, this fix works but no idea as to why it happens in the first place.

Hope this is of some help...though I suggest that there may be more "fixes" to this problem.

Regards...

May 10, 2009 | 2007 Jeep Wrangler Unlimited Rubicon 2...

1 Answer

Anti-theft has engaged


sounds like the transmitter in the key head is defective or it lost programming, try these programing steps, if that doesn't do it u need another key made.

Turn ignition from OFF to RUN 8 times within 10 seconds, with the 8th time ending in RUN. Door
locks will cycle to confirm programming mode.
2. Within 20 seconds press any button on first keyless remote. Door locks will cycle to confirm
programming.

3. Within 20 seconds, press any button on second keyless remote. Door locks will cycle again to
confirm programming.

4. Turn ignition to OFF. Locks will again cycle to indicate end of programming mode.

Apr 19, 2009 | Mercury Mariner Cars & Trucks

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