20 Most Recent 2004 Jeep Grand Cherokee Questions & Answers

Sounds familiar - I pulled the rubber boot back and found the black wire was broken. I stripped the wires and put on a couple bullet connectors (terminators) and all is good. Just wish I would have seen this post before I took the door panel off... Oh well...

because the alarm system is tied into so many other system on the Jeep you cant just kill it but you could unhook the horn control circuit for the alarm so it at least the horns wont honk every time you open the door, by the way if you get a new key flob this would take care of the problem the system is designed so evey time you unlock the doors with the key flob the alarm shuts off, but all you need to do is locate the Body control module it is mounted to the fuse block at the left end of the dash you need to find termanal # 6 a gray/orange wire and just cut it this will stop the alarm from honking the horn, the lights will still flash but no horn.....good luck

let me know if there is any thing else you need.

You may have pulled a fuse on the security system and immobilizer. If that is the case, you need to reset. https://www.google.com/search?q=2004+jeep+grand+cherokee+security+reset ..

easy 4wd lever set wrong. read the free users guide and do not use part time 4wd on pavement,(a huge danger) only on , offroad, and on ice or on snow.

check the fuse for your blinkers( its in the owners manual under fuses and relays) also check the flasher relay. This is usually by the fuse panel. If the flasher is bad, your turn signals and 4 way(hazard lights) will not work. If the fuse is good, and flasher is good, let me know, and we will go from there. hope this helps

You buy an ignition lock and two keys, you fit is and then get a mobile locksmith to reset the security system and immobilizer.videoshttps://www.google.com/search?q=2004+jeep+grand+cherokee+replace+ignition+lock+cylinder+replacement..

Question edited for clarity and add maker. Question moved to model category. Not a good manual! https://www.manualslib.com/manual/231907/Jeep-2004-Grand-Cherokee.html?page=149#manual This says the unit is a single CD unit, but also has an optional 10 CD unit. They usually hide in the sidewall of the trunk area behind a door. https://www.google.com/search?q=2004+Jeep+Grand+Cherokee+load+CDs& ....

your thermostat has come apart or is stuck open.

Question edited for clarity. Question moved to Model Category. Take the fob apart and clean under the button with Switch Contact Cleaner spray. If that doesn't fix it, you need an auto electrician or an alarm installer to check operation of the fob to see it is is putting out a signal, and to check the modules that open the door and operate the security. A bi-directional scan tool computer is the only method to diagnose communication issues.

http://www.jeepforum.com/forum/f310/fan-relay-location-2004-wj-4-0-a-1370578

Question edited for clarity. Two posts made into one. Question duplicate deleted. Question moved to sub category You need a technician with a pro grade scan tool computer to check the modules and sensors. Diagnose, then repair or replace. The 'let's try replacing this' method of repair is expensive. Clean the Throttle Body and MAF (mass air flow sensor), but my first thought because of the backfiring is an intermittent fault with the Crankshaft or Camshaft Position Sensors. The diagnosis will pinpoint the fault. Some information and a video https://www.google.com/search?q=2004+Jeep+Grand+Cherokee%2C+no+start%2C+backfires+into+air+intake ..

what is the chime for? door ajar? seat belt not buckled? if you solve the problem the chime will go away

Without a Chrysler diagnostic/ calibration machine, I don't think you can do anything. Have you tried disconnecting your battery, wait 10 minutes and reconnecting it?

look for Main A/C relay, look for fuses, or go to a/c shop and have gas check out, perhaps leaks, perhaps evaporator, perhaps condenser, but start for relay box on front passengers side, or fuses on same side

Did you try the instrument self test? With ignition switch in off, press the odometer reset button and while pressing it, switch ignition in run. Now all indicator lamps will come on and you can release the button. All indicators will run to full scale and should return to normal position. The instrument cluster gets the speed information from the PCM (powertrain control module). The PCM gets the info from the ABS controller. I would pull the fuse from the ABS controller and see if it will change the speed indication. If it does, then the problem is with the ABS controller, if it doesn t, then most probably the instrument cluster is faulty.

Hi have a look at this video, https://www.youtube.com/watch?v=-hSKhMs9VTM

My power locks, windows didn't work and the dome lights would not turn off after closing the door. I removed the black boot that was attached to the drivers door by lifting upward and pulling away from the door. A heavy gauge black wire was broken. I removed about 3/16" of insulation from both ends of the broken wire and connected them by using a connector that both ends are placed in to and then "crimped" both ends so the broken wire made contact with each other and everything worked perfectly! The hardest part was replacing the boot. Total cost to fix is $0.50.

If you havent changed the spark plugs, id start there.

when the transmission overheat light (this is for the fluid) comes on the transmission control module pulls the trans out of OD to try and cool it down, this is called failure mode strategy, it is built into the programming of the control module, the signal from the trans is most likely incorrect, but the module doesn't know that, replace the transmission fluid temperature sensor.

The speedometer on a 2004 Grand Charokee gets its signal via the PCI data bus from the ABS control module. Both rear wheel speed sensors are used for the speed signal.