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security light stays on all the time and the car won't start

 
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tigerphil99 tigerphil99
New User | Posts: 1 | Joined: 11/15
Posted: 11/05/15
04:06 AM

Hi can any one help I have a 2000 jeep Cherokee ltd 4.0 and the security light on top of the dash stays on a the car will not start

Had the rac out and he said it could be the immobiliser , had the key checked that was ok, disconnect the battery but still the Same

can any one help  

Just Try It1 Just Try It1
Moderator | Posts: 1981 | Joined: 08/14
Posted: 11/05/15
07:12 AM

that will take some reading ..

do you have the ability to read codes while trying to start the engine..

you can with jeeps.. turn the key ON.. then quickly Off, On, Off, On, OFF, On.... three times on within 3 seconds will get the dashboard to change from miles driven to code display.  

Just Try It1 Just Try It1
Moderator | Posts: 1981 | Joined: 08/14
Posted: 11/05/15
07:14 AM

oh.. by the way.. which part did somebody have OUT..  

Just Try It1 Just Try It1
Moderator | Posts: 1981 | Joined: 08/14
Posted: 11/05/15
07:55 AM

Code P1684, Batt Loss in 50 Star The battery has been disconnected within the last 50
starts.

Code P1686, No SKIM BUS Messages Received No CCD/J1850 messages received from the Smart Key   Immobilizer Module (SKIM).


get out.. take the key with you.. lock the doors with the key... walk away for a few minutes.. come back .. unlock the DRIVERS DOOR , get in and attempt to start the engine..

sometimes when work has happened.. the alarm system thinks somebody is trying to steal the jeep..

there is a small chance that the wiring in the door hinge area boot is damaged..

its usually the power windows that fail. but sometimes it takes out the power door locks also.  the door lock


do the dome lights work normally when you open the door and do they go out when you close the door..  

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