Question about 2001 Jeep Grand Cherokee

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Crank no start after accidently hitting the starter with a wrench and sparking. vehicle has a skis system.

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  • bk1612 Nov 20, 2009

    sorry, i should have mentioned i already tried that. they all seem good.

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Check fusible links and main power fuses under the hood

Posted on Nov 20, 2009

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1 Answer

How do i reset a anti-theft system?


Turn the key on. Look at the security light or DIC. If t he light stays on(after a couple seconds) or DIC displays security. The reset for it is.. Turn the key on for ten minutes, off for thirty seconds. Try to start. The relearn is three times this, try to start after the third time. Have a battery charger on it. Battery goes low or you accidentally hit the starter, you have to start all over. If the light goes off, it's not security. Have the codes read. If you want to throw more money at it. replace the crank sensor. This may be the reason for no spark.

Nov 28, 2016 | GMC Cars & Trucks

1 Answer

Wont start because of anti theft system it used to start for a short time now just turns over


my guess is that you posted all these related posts because you

never read the FSM chapters yet? in immo.>?

read chapter 8Q yet? ill post excerpts, and you can learn how it works?

Guess 2 , you are trying to fix it SCAN tool free? that will never happen, (get one, ? Innova 3160)

Connect the scan tool, crank for 5 seconds, behold , DTC errors

see those. post those and get help, or its all IMPOSSIBLE !!!

yours is KJ 06







Quote:

SENTRY KEY IMMOBILIZER SYSTEM

The Sentry Key Immobilizer System (SKIS) is available as a factory-installed option on this vehicle. Vehicles

equipped with the Vehicle Theft Alarm (VTA) are also equipped with SKIS. The SKIS provides passive vehicle protection

by preventing the engine from operating unless a valid electronically encoded key is detected in the ignition

lock cylinder.

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

information:

SENTRY KEY IMMOBILIZER SYSTEM

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. (Refer to 8 -

ELECTRICAL/ELECTRONIC CONTROL MODULES/COMMUNICATION - OPERATION).

Pre-programmed Sentry Key transponders are provided with the vehicle from the factory. Each Sentry REmote Entry

Module (SKREEM) 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 SKREEM in the vehicle in order for the system to recognize them as valid keys. This

can be done by the dealer using a diagnostic 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. (Refer to 8 - ELECTRICAL/VEHICLE THEFT SECURITY -

STANDARD PROCEDURE - TRANSPONDER PROGRAMMING).

The SKREEM performs a self-test of the SKIS each time the ignition switch is turned to the ON position, and will

store fault information in the form of a Diagnostic Trouble Code (DTC) if a system malfunction is detected. The SKIS

can be diagnosed, and any stored DTC can be retrieved using a diagnostic scan tool. Refer to the appropriate

diagnostic information



page 68

SENTRY KEY IMMOBILIZER SYSTEM

WARNING: To avoid personal injury or death, on vehicles equipped with airbags, disable the supplemental

restraint system before attempting any steering wheel, steering column, airbag, occupant classification system,

seat belt tensioner, impact sensor, or instrument panel component diagnosis or service. Disconnect

and isolate the battery negative (ground) cable, then wait two minutes for the system capacitor to discharge

before performing further diagnosis or service. This is the only sure way to disable the supplemental

restraint system. Failure to take the proper precautions could result in accidental airbag deployment.

The hard wired Sentry Key Immobilizer System (SKIS) components and circuits may be diagnosed and tested using

conventional diagnostic tools and procedures. Refer to the appropriate wiring information. The wiring information

includes wiring diagrams, proper wire and connector repair procedures, details of wire harness routing and retention,

connector pin-out information and location views for the various wire harness connectors, splices and grounds.

However, conventional diagnostic methods may not prove conclusive in the diagnosis of the Sentry Key REmote

Entry Module (SKREEM), the ElectroMechanical Instrument Cluster (EMIC), the Powertrain Control Module (PCM),

the Programmable Communications Interface (PCI) data bus, or the electronic message inputs used to provide the

electronic features of the SKIS. The most reliable, efficient, and accurate means to diagnose the SKREEM, the

EMIC, the PCM, the CAN data bus, and the electronic message inputs for the SKIS requires the use of a diagnostic

scan tool. Refer to the appropriate diagnostic informatio

Apr 27, 2015 | 2006 Jeep Liberty

1 Answer

2008 jeep patriot wont start after accident


some of these models have a fuse box on that side under the hood. I'd start there first. After that, have an assistant try to start vehicle while voltmeter is attached to battery terminals. Did voltage drop to 10-11volts during cranking attempt? If so, suspect starter.

Nov 12, 2013 | Jeep Liberty Cars & Trucks

2 Answers

1996 Dodge Caravan wont crank if i turn the key to start i get noting all relays are new all fuses checked the message center does not do a bulb check stays off


I would start off by trying to jump start the vehicle. If it starts and runs normal, that tells you the starter and engine are okay, and the problem is in the charging system - battery, battery cables, alternator, relays, etc.

Now if it doesn't start, I would take the belt off and see if I could move the crank manual with a wrench. If it rotates (CW) then most likely your starter is bad.

Aug 28, 2011 | 1994 Dodge Caravan

2 Answers

Was changing battery in my truck the wrench hit the fender there was a spark know it will not start


Let me guess, you had your wrench on the positive battery post while the negative post was still hooked up to the battery? This is exactly why all the service manuals say to remove the negative battery connection first to prevent possible damage to the vehicle and/or personal injury. Anyway, if you are lucky, you only blew one of your main fuses or burned a fusible link. You may have also damaged your battery cable. If the starter still cranks the engine over, but it won't start, you may have spiked your engine computer.

Jan 15, 2011 | 2000 GMC Sierra

1 Answer

99 4x4 expediton not starting


Try finding your starter that will be directly bolted onto the engine, probably underneath.
Hit it with a Metal hammer or wrench a few good times and see if it kicks over.
If its turning over and no spark is igniting your fuel, try new pluggs and wires,
possibility your distributor is bad.

TRY THE STARTER 1st..

If you need to look up on the net where it is at on your truck do so.
Give it a few Good beats on the metal housing and try to start it.
If you have a friend who can help get him over their to try turning the key as you hit the starter
this usualy will fix this problem for some time, but if it does.,, plan on buying a New starter so your not left stranded one day.

Good luck and let me know how this turned out.

Aug 22, 2008 | 1999 Ford Expedition

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