Question about 2000 Jeep Grand Cherokee

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I changed battery i have key lock signal on dashbord the car not worked what can i do its look like there is no ignitions

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You my friend have set off the immobiliser and will have to have it reset, im not entirely sure wether you will have to have jeep themselves do it or wether there is an easier way to do it?

Posted on Feb 25, 2009

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1 Answer

Were is the computer located


In regards to the 1614 code. You should/could also see code 1610.

P1610/P1614
P1610- Ignition key/engine control module (ECM) malfunction
P1614- Immobilizer control module (ATS) coding plug communication-no signal. (ATS=anti theft system)
The ECM is getting a signal form 1614 that the key/ignition is not providing a correct code. Hence, the programing is told to fail engine start. Should the engine failing to start with 1 key, try the other key.
Should the Anti Theft System go into lock mode with one key, try the second key. If that does not unlock it then do this: with either key turn the ignition to ON position for 5 seconds then BACK to OFF position for 5 seconds, the to On position for 5 seconds then back to the OFF position for 5 seconds. If the ignition key is and intergrated key (remote: unlock, lock) the batteries should be changed in both keys. Low battery or dead battery provides low or no security code signals to ECM -- hence incorrect or no signal.
When replacing the batteries: be sitting in the drivers seat with the 2 keys within 24 inches of each other. And make the battery change within 1 minute for each key and within 4 minutes of the first key.
If that does not work,Check you users manual for the ignition key sequence on/off series to relearn the on board car computer to the keys.

Mar 09, 2014 | 2000 Kia Sportage

1 Answer

Red light car symbol and engine not starting


looks like the immobilizer has been activated or the ignition key you are using either is wrong or lost the program and can not communicate with the ignition switch by not giving signal to start. Better to apply to an expert to help you.

Nov 12, 2012 | Cars & Trucks

1 Answer

My central locking system does not appear to be working on my slk230 1998 any suggestions


Is the battery good? Try to sychronize the signal,Point the IR transmitter window IRLC reciever in the interior rear view mirror. Press the unlock button or lock button twice .Turn the key in the ignition switch position 2 within 30 seconds. The remote should be operational

Mar 07, 2012 | Mercedes-Benz SLK Cars & Trucks

1 Answer

When i turn my key on my wife's 01 mercedes benz s500 there is no ignition light and it will not start.Everything else works just fine.The alarm,the locks and everything work ok.I have changed the car...


If your wife's key works fine and your key doesn't then there is a good possibility that your remote key is faulty. The alarm and locks may still work but those signals go to a different control module the when you try to start the car. If the ignition switch does not read the key then it will not allow you to start the car and sometimes not even turn the key in the ignition. Especially if there is any damage to the front part of the key where the red lens is at. Check and see if the infared signal is working on the remote key. To do this use a camera phone and go like your going to take a picture and point the key right at the lens of the camera phone. If it works you will see it on the screen. If it doesn't then you won't see anything when you push the button and hold it on the remote key. At the dealer they will probably ask for both keys and start by selling you a remote key.

Oct 10, 2010 | 2001 Mercedes-Benz S-Class

1 Answer

Car wont start after getting a new key and replacing batteries -


hi well this is a bit long so if you can bare with me i will try explain how to , clear system to decode, and recode as this is what it sounds like that the coding has gone from the ignition key....ok here goe's
to sync key with car depress lock or unlock button manually lock the drivers door within 30 seconds of the above system should now work....if not do next bit
switch ignition on ( using non chip key ) manually lock drivers door using key ( another one, hopefully you will have more than one) press unlock button 5 times, in one second intervals indicators flash 5x for every time signal is received switch ignition off and remove key
that's the de-programming done...
to de-program the system if above fails..........
switch ignition on ( use key without remote ) manually lock drivers door using key to be synced with car complete the following within 30 seconds of doing above within 5 seconds press the unlock button on key indicators should flash once wait 5 seconds press unlock button once to confirm programming vehicle should unlock this also will confirm deactivation of programming mode switch ignition off remove key..that should be it, then try new programed key in ignition.

to re-program system and sync with key switch ignition on manually lock drivers door using key ( another one, hopefully you will have more than one) press unlock button 5 times, in one second intervals indicators flash 5x for every time signal is received switch ignition off and remove key
that should be it, if no joy then will have to main dealer i am afraid...hope this helps

Jun 07, 2010 | 2001 Audi TT

1 Answer

The central locking on my ford focus has stopped working, i have changed the battery in the key fob but no luck, can you help. graham.


Obtain all keys fitted with remote control. Fasten seat belts and close all doors. Turn ignition switch from position I to position II 4 times within 6 seconds. Switch ignition OFF. Programming mode activated for 10 seconds proceed as follows: Press and hold lock, unlock or boot release button Fig. 1 [1], [2] or [3]. Wait for acoustic signal (indicates correct programming). Repeat above procedure within 10 seconds to program remaining keys. To exit programming mode: Turn ignition switch to position III or wait 10 seconds. Keys can also be programmed using diagnostic equipment.
NOTE: A maximum of 4 keys can be programmed.

Jan 06, 2010 | 2001 Ford Focus

4 Answers

How to program the orginal remote camry key2003


I found this on the internet try it it MAY work.

Start with the key out of the ignition. Open the driver door (all other doors are closed). Driver door is unlocked (other doors don’t matter).


Perform these steps within 5 seconds
Insert the key into the ignition (don’t turn it)
Insert the key into the ignition (don’t turn it)


Perform these steps within 40 seconds
Close, then open the drivers door.
Close, then open the drivers door.
Insert the key into the ignition (don’t turn it) and pull it out.


Perform these steps within 40 seconds
Close, then open the drivers door.
Close, then open the drivers door.
Insert the key into the ignition and leave in the ignition.
Close the drivers door
Turn the ignition to ON (as far as you can go without cranking the engine), then back to off .
Remove the key from the ignition.


Within 3 seconds, the power door locks should lock then unlock automatically indicating successful entry into programming mode. Return to step 1 if the locks do not cycle at this point.


Perform these steps within 40 seconds
Press the lock and unlock buttons on the transmitter simultaneously for 1.5 seconds
Immediately after letting go of the lock and unlock buttons, press the lock button by itself and hold for 2 seconds. Within 3 seconds, the door locks should lock then unlock once indicating successful programming. If the door locks cycle twice, repeat steps 6a and 6b as the remote was not accepted.


Open drivers door

Dec 18, 2009 | 2003 Toyota Camry

1 Answer

Fob wont work the locks


I have done this procedure for my peugeot 307, but you can give it a try for your Pug expert and let me know if it works.
Disconnect the battery for 5 minutes then after connecting the battery perform the following steps
1. Turn the Ignition switch to the ON position using your key.
2. Press the LOCK button for 10 seconds. It will set your ECU in programming mode.
3. Remove the key and wait for 10 seconds.
4. Press the buttons on the key repetedly for operation (lock und unlock doors) to synchronise the key signals.
5. Again turn the ignition on and start the engine.
6. Turn the ignition OFF

If fails in step 4, then disconnect the battery and reconnect it and wait about 10 minutes to check the remote. Some new ecu units synchronises itselfs if you disconnect the battery while in programiing mode.

May 23, 2009 | 2005 Peugeot 405

1 Answer

Changed battery in key now it doesnt work 2004 mini built in 11/03


1.) Close all doors

2.) Switch the ignition switch to KL-R (first turn), switch back off within 5 seconds and remove the key

3.) Within 30 seconds, press and hold the unlock button and at the same time, press and release the lock button (3) times. (Must be completed within 10 seconds)

4.) Release both buttons. The doors will lock/unlock to signal a successful initialization.

5.) If additional keys need to be initialized, repeat steps 3-4 within 30 seconds

6.) Switching the ignition to KL-R completes the initialization

May 17, 2009 | 2003 Mini Cooper

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