1999 Grand Cherokee Limited Jeep anti-theft system had shut all electronics down and engine will not start. what can I do to reset the system....

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When you remove the vehicle battery, or the fob battery, you have to reset the security system and engine immobilizer.

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year make model reset security

Press and hold the "Unlock" button on your remote, and then press and hold the "Panic" button while still holding "Unlock." Hold both buttons together for one second and release.
Mar 22, 2022

How to reset the anti theft system - 1999-2004 Jeep Grand ...

iFixit https://www.ifixit.com > Answers > View > How+to+reset...

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How do i reset the 2003 Jeep Grand Cherokee anti theft ...

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To reset the alarm on the 2003 jeep grand cherokee you need to lock all the doors, then unlock the driver side and put the key into the on position. Now turn it ...

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How to disarm And reset the anti theft on a 2017 Jeep Patriot

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How to disarm And reset the anti theft on a 2017 Jeep Patriot. 12K views · 3 years ago ...more. GEE WizZ. 23. Subscribe. 23 subscribers.
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Question edited for clarity.
Question moved to model category.

You can't 'cancel it', you have to reset it.

1. Enter your Jeep and press the Lock button on your keyless remote five times in 10 seconds. ...
2. Insert your key into the car's ignition, turn it to the "Run" position and wait for the car's chimes to stop.

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Mar 22, 2022

How to reset the anti theft system - 1999-2004 Jeep ... - iFixit

and videos

https://www.google.com/search?q=2002+jeep+grand+cherokee+security+reset

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sounds like the anti theft system is activated , proberly cuts the power to the fuel or ignition follow this link for reset procedure
How to Reset the Anti Theft on Jeep Cherokee eHow

dies it have IMMO???? the IMMOBILZER?
id the light glowing, saying IM UNHAPPY?
1st google hit, of 6000 says SKIM failure.
been swapping major electronics ?
i see you left out the full story.
i did X and not SKIM is unhappy// what is X?

the FSM covers this, read the FSM>
or goggle Jeep SKIM

Smart Key Immobilizer Module = SKIM

Most anti-theft systems disable the engine electronically try using a code reader this might give you the fault code which prevents your engine from running

The 1995 Jeep Grand Cherokee Laredo Anti-Theft System is equipped with Vehicle Theft Security System (VTSS). VTSS system monitors vehicle doors, hood, liftgate and ignition. If an attempt is made to enter or operate vehicle without proper disarming of system, vehicle horn will sound, headlights, taillights and parking lights will flash, and engine will be prevented from running.

The following wiring diagram and electronics circuit contains detail schematics of The 1996 Jeep Grand Cherokee Laredo Anti-Theft System. Herein you will find interconnection between electronics parts of the system such as body control module, auto headlamp light sensor. VTSS led, driver door module, passenger door module, cylinder lock switch, junction block, power distribution center, and grounding. Herein you will learn also how the Vehicle Theft Security System works, removal, installation, testing and troubleshooting procedures.

Try HERE and also, remember that here can find the Jeep Grand Cherokee Service Repair Manual.

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I suggest check the procedure for antitheft system in this link: Jeep-Grad-Cherokee-Anti-Theft-System

Hope helps (remember to rate this answer).

this does not sound like an antitheft problem. the SKIS systems in the jeeps will allow the truck to start, but it will turn off again after 5 seconds.

FYI if your jeep key is gray, it has the SKIS system. if it is a black key, it does not.

have you already done diagnostics for a no start? if you are lacking fuel or spark, you need to look elsewhere for the problem if it does not start at all. good luck!

You can pull the battery for 10 mins and it should reset the entire ECU PCM and Anti Theft system