Question about 1998 Jeep Grand Cherokee
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Posted on Jan 02, 2017
First, try to re-programme the RKE (Remote Keyless Entry) transmitters before searching for anything else. Assure that the batteries in the transmitters are in working condition and replace them if you are not sure. To pro-gramme the transmitters, perform the following:
Open the driver's door and let it be open throughout the programming process. Then, shift the mechanical door lock lever to the LOCK mode, turn the ignition key to the rUN mode. Within a period of twenty seconds, point a transmitter at the receiver dome and push the lock button for a period of five seconds at least. After the receiver has accepted the programming code the driver's door will unlock on its own. The first transmitter has been programmed, in the same extra transmitters up to four may be programmed in the same way, within twenty seconds.
If the alarm does not work properly, you may have a faulty alarm module and may have to be replace and its common problems with and older model. the systems work like a security systems, if you arms your system with the remote you have to disarm it also with the remote in order for the engine to start and run. The logic in the PCM prevents the VTSS engine no-run feature from arming until the engine start; Its one of the security systems jeep has and if you ask for my opinion its junk. hope that help some..
Posted on Jul 26, 2009
Jeep Cherokee Limited Crank, No Start
Q. Hi! The Jeep has periods when it will not start for a couple days (cranks fine but won't fire), then it will mysteriously start again. A friend suggested that it may be the CPS - I checked it has 200 oM - when I'm cranking by hand it's little bit changing - it should be OK. But again, wouldn't this also effect the engine during those times that it was running?
This problem occurs during rainy and sunny weather so I don't think it's a moisture or water intrusion problem. Is there any part of the ignition system that only affects starting that could be causing this problem?
"I am having the same or similar problem with my wifes 1990 Cherokee. I have found a place that tests the ICM. It may take a while to find a place in your area. I suggest you go in person and talk to the people in your better parts stores.
I have been unsuccessful so far in finding the fault. My ICM has been tested twice and passed both times. I have power to the ICM and the coil checks within parameters. This has been a very frustrating problem for me. I'm about ready to drive it off a cliff and call it a day. Good luck."
So my question is; what is the reason of that? Thanks for help...
A. This was a widespread problem for Chrysler and they issued a couple of TSBs to address the problem. The first was:
1989 MJ & XJ Bodies
4.0L No-Start, Hard Restart, or Engine Die-Out. Vehicles Equipped With Automatic Transmission Only.
Date: December 29, 1989 No.: 18-57-89 (C18-23-9) P-14 Body Code Legend:
MJ - COMANCHE (RWD, 4WD) XJ - CHEROKEE/WAGONEER (RWD, 4WD)
Some 1989 vehicles equipped with the 4.0L engine and automatic transmission may experience an engine no-start, hard restart, or an engine die-out. This condition may be caused by low signal strength from the crank position sensor due to a larger than desired distance to the flywheel sensing ring.
Check to see if the vehicle has a slotted crank position sensor:
1 Crank Position Sensor (slotted) P/N 83100067 1 Crank Position Sensor Grommet P/N 83100068 REPAIR PROCEDURE:
1 ECU (Automatic Transmission) P/N 53007842 1 ECU (Manual Transmission) P/N 53007843 1 Mopar Choke and Linkage Cleaner P/N 4549619
Posted on Dec 03, 2009
I found a solution on another site showing if i turn the ignition on and hold the reset button on behind the alarm light untill it turns to solid blue light then turn off the ignition , it will disable the alarm.
Posted on Dec 13, 2009
PLESE DONT EVEN TRY.it aint that simple,the computer tells the engine that you have the right key but as you dont have remote locking anymore it thinks your trying to STEAL it.you NEED to replace the remote fob.(you call it keyless entry)think of it this way if it were that simple why fit an alarm system in the first place....(someone asked if you could take out a fuse to stop the alarm !!!!!.)
Posted on Oct 13, 2010
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