immobiliser Problem 1997 Jeep GC LTD - Page 2 - JeepForum.com

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post #16 of 29 Old 05-21-2012, 10:48 AM
Camaro16
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Just an idea, not a definite answer! But certainly worth trying - no idea what the autospark is talking about reprogramming the jeep...

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post #17 of 29 Old 05-21-2012, 10:51 AM
Camaro16
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Oh - the key does not need programmed. There is nothing in it to program! If your fob needs reprogrammed then you need to take it to the dealer (like if you break or lose it) - they can reprogram the fob, you can buy them secondhand on Ebay. What year is the jeep?
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post #18 of 29 Old 05-21-2012, 12:10 PM
dalton316
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Quote:
Originally Posted by Camaro16 View Post
Oh - the key does not need programmed. There is nothing in it to program! If your fob needs reprogrammed then you need to take it to the dealer (like if you break or lose it) - they can reprogram the fob, you can buy them secondhand on Ebay. What year is the jeep?
ita a 1998 was wondering about key as i only have the valet key not the main one and i thought that maybe you could only use it so many times that was all
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post #19 of 29 Old 05-21-2012, 02:03 PM
Camaro16
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No, youe Valet key will start the engine fine - it just stops your "valet" fella from getting into the glove box. so you can leave him with the key and lock away your GPS, stereo front, ect - while still letting him start it to move it around. If it would start, lol.
A 1998 will have the M&S immobiliser on it - they were installed as the ZJs came off the boat at a warehouse, to meet Thatcham requirements - from what I was told by the M&S engineer, they needed an extra starter cut - that's what M&S installed, and he told me how to bypass.
But that's not your problem - Have your Autospark ring M&S on 01256 306800 and ask to speak to Del in the car electronics section - he knows his stuff!
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post #20 of 29 Old 05-21-2012, 02:05 PM
Camaro16
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Same year as mine, btw - he'll phone back or email them and see if there is anything he can do to help, very likeable fella and easy to talk to.
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post #21 of 29 Old 05-23-2012, 12:18 PM
dalton316
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Same year as mine, btw - he'll phone back or email them and see if there is anything he can do to help, very likeable fella and easy to talk to.
thanks for the help will ring him when i get jeep back hopefully tom need to spend as much time as possible to get it back on road and the autospark aint got the time to do it so will bring it home and start trying to source fault will let you know how i get on
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post #22 of 29 Old 05-25-2012, 03:11 PM
dalton316
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ok got jeep back today its up and running but aint perfect apparently the issue was a module although he couldnt tell me what one or what it was called he has bypassed it and the jeep is running and all electrics are working total cost 180 only issue i have is the radio is asking for a code that i dont have and when driving only the vic display continuously flashes but at least im driving again any help sorting these two things would be greatfully appreciated
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post #23 of 29 Old 05-25-2012, 04:36 PM
Camaro16
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Bin the radio, they are rubbish anyway. I put a Tevion on my old Golf - USB, SD card, aux input, CD - all for 35. And it sounds better as well!
The manual tells you how to set the VIC...
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post #24 of 29 Old 01-27-2013, 05:42 AM
Oshwin
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I know these posts are old but could any 1 tell me is the 2 button fob imobiliser the same as any after market 1 or does it run in line with the ecu
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post #25 of 29 Old 01-27-2013, 11:25 AM
Mike2909
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The fobs are programmed to the vehicle they belong to, but (I believe) only the dealers can program them to the vehicle.
The fob disarms the immobiliser which is what is mentioned in this article.
Camaro can explain all that to you. I have a couple of spare fobs if you need one but you will still have to get it programmed to your Jeep.
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post #26 of 29 Old 06-10-2013, 12:50 PM
ian_jeep
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Hi,

We are experiencing the same problem.

The jeep was working perfectly for 6 months, and one day we nipped into town, got out and the key fob wouldn't work.

We changed the batteries, still no luck. We tried to follow the manual to reprogram them to no avail.

We tried a few garages and all said to go to a jeep dealership, got the car towed there (after much stress) and as soon as it was off the tow truck the jeep guy came and sat in the car and the fob worked straight away.

There had been no problems since until today, where the same thing happened. Got to town, got some bits and pieces, went to unlock the car and nothing.

This time we didn't stress as much, went for a beer and a walk on the beach. And three hours later, got back to the car, the usual fob wouldn't work, pressed the secondary fob and it worked.

Not really sure why it's acting like this.

However we live in spain, in the mountains ( uk 4.0 1997 grand cherokee) , because of where we live, if this continues we are going to be really boned at somepoint.

If there are any tricks to reprogram it so it works without fault, or a trick to bypass the immobiliser completely, could someone please help? It would be much much much appreciated.

Our keyfob(s) are the same ones as posted earlier in this thread.

We don't particularly need central locking or the car to be alarmed if it comes down to it, just need 100% reliability.

I can take any photos needed if neccesary.

kind regards, Ian
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post #27 of 29 Old 11-22-2014, 03:41 AM
lyndon
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Hi guys, this one is for camero as he seems to know his stuff. I have a uk grand cherokee zj mid 98. I only have one key fob and as a precaution I wanted to permanently disable my imobiliser so I only have to use a key to start it. I'm pretty good on mechanical stuff and not bad on the electrickary side of things. Could you please pm me whatever is needed to disable it permanently. Thanks.

If ever your in south Wales and need welding I will happily help in return :-)
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post #28 of 29 Old 06-30-2015, 02:03 AM
muppetking
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immobiliser problem

Hi, I had this same problem with my Laredo 1997. spoke to dealer and they didn't want to know.....
I live in Bristol and I have found an electrician who can sort the problem out within 10 mins.
two problems:- (which is why I've told you my location) he needs the car at his garage and you need a secondhand key fob of the same type. ie mine was the 2 button fob.
they can be found on ebay and he will get it for you if you ask :-)

advanced auto electrical (John Cleeves) tel 0117-2395184

cheers
Mike
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post #29 of 29 Old 07-01-2015, 10:43 AM
Camaro16
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You need a 455T unit to disable the immobiliser - easily found on American Ebay, but the prices are ridiculouss most of the time these days. Search for "Jeep 455t", and weed out the dizzy caps!
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