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Old 09-24-2013, 11:38 AM   #1
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Factory Alarm System

I just purchased a 2003 Wrangler, & supposedly, it has an alarm.

If your TJ came with a Factory Installed Alarm System, and you are not the original owner, how would you go about finding out about it?

I haven't found anything in the owner's manual yet.

I am pretty sure that I have an alarm system because when I added the Jeep to my insurance policy, the ins. agent said that, according to my VIN, there is an alarm system.

Plus, every time I remove the key from the ignition, I hear an alarm "chirping" sound for a few seconds.

I would hate to accidentally set off the alarm, then not know how to deactivate it.

There is no alarm button with the key. Only the key.

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Old 09-24-2013, 12:02 PM   #2
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I have a toggle switch under the dash on my 97

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Old 09-24-2013, 12:07 PM   #3
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I have a toggle switch under the dash on my 97
I'll check underneath.
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Old 09-24-2013, 05:19 PM   #4
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I did not find any switches underneath the dash.
I'll keep looking.
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Old 09-24-2013, 07:47 PM   #5
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If it's an OEM installed alarm, I highly doubt there will be any switches under the dash. I think that's more of an aftermarket feature.
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Old 09-24-2013, 08:11 PM   #6
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Do you have a grey headed key or a black headed key? If it is grey then the alarm is basically just a chipped key. Chryslers Sentry Key Immoblizer System

Also does it have an aftermarket stereo?
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Old 09-24-2013, 09:42 PM   #7
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Originally Posted by Hardermods View Post
Do you have a grey headed key or a black headed key? If it is grey then the alarm is basically just a chipped key. Chryslers Sentry Key Immoblizer System

Also does it have an aftermarket stereo?
Yes, the ignition key is gray headed.
What is a chipped key? It has a chip in the head of the key?
If so, if the alarm were to trigger, how would I shut it off?

My stereo is an aftermarket stereo.
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Old 09-24-2013, 10:08 PM   #8
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Yep the grey key means it has a chip in the head of the key, there is nothing for you too trigger/shut off. When you shut off the Jeep it is then "armed" meaning a car thief cannot hot wire or bust the lock cylinder to start your Jeep as it does not "sense" the key in the ignition. Also since it has a chipped key, you cannot get a cheap spare cut at walmart or anything, you have to goto a dealer or locksmith and have it cut then programmed to your Jeep


As far as the beeping you hear, I'd bet its just the aftermarket headunits reminder to remove the faceplate to prevent stereo theft.



Alot of reading but this will tell you all about the "factory installed alarm"



Per the service manual:
Description:
The Sentry Key Immobilizer System (SKIS) is available as a factory-installed option on this model. Vehicles equipped with this option can be readily identified by the presence of an amber SKIS indicator in the instrument cluster that will illuminate for about three seconds each time the ignition switch is turned to the On position, or by a gray molded rubber cap on the head of the ignition key. Models not equipped with SKIS still have a SKIS indicator in the cluster, but it will not illuminate when the ignition switch is turned to the On position. Also, models not equipped with the SKIS have a black molded rubber cap on the head of the ignition key.

The SKIS includes the following major components, which are described in further detail elsewhere in this service manual:

Powertrain Control Module (PCM) - The PCM is located on the right side of the dash panel in the engine compartment.
Sentry Key Immobilizer Module (SKIM) - The SKIM is located on the steering column near the ignition lock cylinder housing and an integral molded plastic antenna ring circles the ignition lock cylinder like a halo. The SKIM and its antenna are concealed beneath the steering column shrouds.
Sentry Key Transponder - The Sentry Key transponder is molded into the head of the ignition key, and concealed by a gray molded rubber cap.
SKIS Indicator - The SKIS indicator is located in the upper left corner of the instrument cluster overlay.
Except for the Sentry Key transponders, which rely upon Radio Frequency (RF) communication, hard wired circuitry connects the SKIS components to the electrical system of the vehicle. These hard wired circuits are integral to several wire harnesses, which are routed throughout the vehicle and retained by many different methods. These circuits may be connected to each other, to the vehicle electrical system and to the SKIS components through the use of a combination of soldered splices, splice block connectors, and many different types of wire harness terminal connectors and insulators. Refer to the appropriate wiring information. The wiring information includes wiring diagrams, proper wire and connector repair procedures, further details on wire harness routing and retention, as well as pin-out and location views for the various wire harness connectors, splices and grounds.


Operation:
The Sentry Key Immobilizer System (SKIS) is designed to provide passive protection against unauthorized vehicle use by disabling the engine, after about two seconds of running, whenever any method other than a valid Sentry Key is used to start the vehicle. The SKIS is considered a passive protection system because it is always active when the ignition system is energized and does not require any customer intervention. The SKIS uses Radio Frequency (RF) communication to obtain confirmation that the key in the ignition switch is a valid key for operating the vehicle. The microprocessor-based SKIS hardware and software also uses electronic messages to communicate with other electronic modules in the vehicle over the Programmable Communications Interface (PCI) data bus

Pre-programmed Sentry Key transponders are provided with the vehicle from the factory. Each Sentry Key Immobilizer Module (SKIM) will recognize a maximum of eight Sentry Keys. If the customer would like additional keys other than those provided with the vehicle, they may be purchased from any authorized dealer. These additional keys must be programmed to the SKIM in the vehicle in order for the system to recognize them as valid keys. This can be done by the dealer using a DRBIII® scan tool or, if Customer Learn programming is an available SKIS feature in the market where the vehicle was purchased, the customer can program the additional keys, as long as at least two valid Sentry Keys are already available.

The SKIS performs a self-test each time the ignition switch is turned to the On position, and will store fault information in the form of Diagnostic Trouble Codes (DTC's) if a system malfunction is detected. The SKIS can be diagnosed, and any stored DTC's can be retrieved using a DRBIII® scan tool. Refer to the appropriate diagnostic information.
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Old 09-25-2013, 02:33 AM   #9
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"......I am pretty sure that I have an alarm system because when I added the Jeep to my insurance policy, the ins. agent said that, according to my VIN, there is an alarm system. ............"


Not possible, unless your insurance agent used that VIN to obtain a Build Sheet, then found the option for a factory alarm system included on that Build Sheet...but that too is not likely as all of the data I have shows that only the Sentry Key system as described above was available on your TJ and not a true "alarm" system.


Aftermarket alarm systems are very good though, sounds like that is what you have.
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Old 09-25-2013, 06:56 AM   #10
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... Not possible, unless your insurance agent used that VIN to obtain a Build Sheet, then found the option for a factory alarm system included on that Build Sheet ...
I am not sure how the agent got his Information about my Jeep. I was only reporting what he had told me.

But him getting that Build Sheet would explain how he knew.
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Old 09-25-2013, 08:03 AM   #11
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perhaps but ask him for a copy. or you can get one yourself for free on line, just search this forum for the topic and you will find a link to get that sheet and if it does have a build code for a factory "alarm" please do share it with us. good luck with the your new TJ.
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Old 09-25-2013, 08:05 AM   #12
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I received a letter from my insurance company regarding my newly purchased TJ stating that my rig was possibly equipped with a theft deterrent device and I needed to contact them to confirm. I think this is just a generic statement made by insurers.

Do yourself a favor and don't lose that gray key.
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Old 09-25-2013, 10:26 AM   #13
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... Do yourself a favor and don't lose that gray key.
I'm going to call today to find out how much it'll cost for a duplicate, then I'm going to buy TWO keys.
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Old 09-25-2013, 12:01 PM   #14
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Many manufactures build their cars, IE Ford, you can get a generic chipped key cut (wal-mart) and with 2 operating chipped keys just follow instructions in your owners manual.

If by chance you have two of the gray keys for your Jeep, you might look into this, if you have just one, a dealer or key shop with a laptop and special software is required, costs about $70-

If you loose your one and only key, they tow your Jeep to a dealer and then it gets expensive.
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Old 09-25-2013, 02:09 PM   #15
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The dealership said that it would be approximately $125 per key.
$60 for each blank, &
$45 to program each key.

A little pricey, I know.
But I really can't complain because of what that gray-headed key does to help prevent some punk from taking my ride.

The guy told me that if the key had the BLACK head, that wouldn't have the chip in it, & it wouldn't have costed much to make duplicates.
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Old 09-25-2013, 02:14 PM   #16
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You can get those keys for half that price off the net/ebay. Programming will still be about the same. I bought one over two years ago & it's still in my garage waiting to be cut/programmed:/
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Old 09-26-2013, 02:48 AM   #17
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The guy told me that if the key had the BLACK head, that wouldn't have the chip in it, & it wouldn't have costed much to make duplicates.

Correct, that would be a key to a TJ that was not built with the Sentry Theft Deterrent system, which was an option on the TJ (standard on the Sahara) up to about model year 2004 (2003?) when it became standard equipment.

$60 for a key? Ouch. Thanks for sharing that I am going to put my spare in a much safer location.
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Old 09-26-2013, 06:42 AM   #18
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...
$60 for a key? Ouch. Thanks for sharing that I am going to put my spare in a much safer location.
It makes you wonder if you can purchase a blank key cheaper elsewhere, then just pay the dealership the $45 to program it.
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Old 09-26-2013, 07:38 AM   #19
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You can buy them cheaper online, if you currently only have one key you'll have to pay the dealer/locksmith to get it programmed

If you currently have 2 keys and are wanting a third then you can buy one online and program it yourself!
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Old 09-26-2013, 09:46 AM   #20
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You can buy them cheaper online, if you currently only have one key you'll have to pay the dealer/locksmith to get it programmed

If you currently have 2 keys and are wanting a third then you can buy one online and program it yourself!
That's odd.
Why does having that 2nd key allow you to program the 3rd?
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Old 09-26-2013, 10:03 AM   #21
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It's the same way with the JK's . When we bought our 2010 the salesman told us to by a third key now ,because if we lost one it was gonna cost a lot more to replace the key later .
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Old 09-26-2013, 10:13 AM   #22
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Quote:
Originally Posted by vertical horizons View Post

That's odd.
Why does having that 2nd key allow you to program the 3rd?
You need 2 programmed keys to be able to enter the self programming mode for any others.
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Old 10-11-2013, 01:44 PM   #23
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Quote:
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The dealership said that it would be approximately $125 per key.
$60 for each blank, &
$45 to program each key.

A little pricey, I know.
But I really can't complain because of what that gray-headed key does to help prevent some punk from taking my ride.

The guy told me that if the key had the BLACK head, that wouldn't have the chip in it, & it wouldn't have costed much to make duplicates.
Boy, my math was really off.
$60 + $45 = $105, not $125.

Anyway, the dealership asked me if I could come in on the 8th (last Tuesday). They said that every Tuesday is when their "KEY" man shows up. And that he could make me an extra key, and that it would be probably around $50 to $60, instead of that $105.

I showed up. The key man showed up. He cut my key. He thought I was one of the salesmen, and wasn't going to charge me to make & program the key.

When I told him that I was NOT a salesman, but I was a customer, he said that he had to charge me.

$30 per key, cut & programmed??!!??

I couldn't believe it.
So, I had him cut me 2 keys, right then & there.

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