What to do if your Jeep Grand Cherokee wont start?
My advice is to have someone turn your key in the start position and while keeping your key turned as if you were trying to start it, wiggle that bundle of wires and if it starts than you know that this is your problem. If it still wont start, continue wiggling wires nearby until your jeep starts than you know which wire is at fault.
Is the Jeep Grand Cherokee a year old?
And the second start up is not a week wounded sounding start up, it is a flawless start up – not quite the jet engine start up that one gets when the starter has just been replaced, but the start up that you get after the starter and or car is a year or two old old.
Why is the Grand Cherokee the most complained-about Jeep?
The issues with this model year earned the 2015 Grand Cherokee Car Complaints’ “Beware of the Clunker” seal. Of all the Jeep models, the Grand Cherokee is the one that’s complained about the most. And, of the Grand Cherokee model years, the 2011 model and the 2015 model are two to be avoided.
How do you change the starter relay on a Jeep Grand Cherokee?
Try changing the starter relay in the distribution center under the hood. I had the same problem in my 1994 Jeep Grand Cherokee and the starter relay was bad. And Dodge found out there was a wire between the distribution box and the ecm was broke.
When does a Jeep Grand Cherokee hard start?
It started like you have described, then went to hard starts after sitting for 30-45 minutes up to about 8 hours, and I noticed this morning that it did it after sitting for over 12 hours. Mine does not have any problem whatsoever starting with the remote start though.
When did the new Jeep Grand Cherokee come out?
Redesigned several times over the years, the fourth generation, which was rolled out in 2011, introduced new problems for the Grand Cherokee. Here’s a look at why the Grand Cherokee is the most complained-about Jeep.
The issues with this model year earned the 2015 Grand Cherokee Car Complaints’ “Beware of the Clunker” seal. Of all the Jeep models, the Grand Cherokee is the one that’s complained about the most. And, of the Grand Cherokee model years, the 2011 model and the 2015 model are two to be avoided.
How can I Stop my Jeep Grand Cherokee from starting?
If I get the chug, chug, chug …. you can stop it by shifting to drive – instantly kills it. I found that by opening my door, hitting the start button (no foot on brake) a few times to cycle thru acc, and run …. to totally off. After totally off – a try to restart it usually works about 99% of the time.
My advice is to have someone turn your key in the start position and while keeping your key turned as if you were trying to start it, wiggle that bundle of wires and if it starts than you know that this is your problem. If it still wont start, continue wiggling wires nearby until your jeep starts than you know which wire is at fault.
Try changing the starter relay in the distribution center under the hood. I had the same problem in my 1994 Jeep Grand Cherokee and the starter relay was bad. And Dodge found out there was a wire between the distribution box and the ecm was broke.
And the second start up is not a week wounded sounding start up, it is a flawless start up – not quite the jet engine start up that one gets when the starter has just been replaced, but the start up that you get after the starter and or car is a year or two old old.
What’s the problem with my 2005 Jeep Grand Cherokee?
I am having a problem with the click click of the starter on a 2005 Jeep Cherokee Limited. It would start sometimes after several attempts. Now no start just clicks.
There are certain emissions-related codes that may require a Chrysler/Jeep dealership to inspect and clear. Disconnect the scan tool from the DTC port when done. If you do not have a quality scan tool, refer to Step 3. Disconnect the negative battery cable and leave it disconnected overnight.
How to reset your Jeep ECM ( Engine Control Module )?
Here is a little summary of it , the ECM is the brain of the vehicle and just like everything else you’re going to have to reset it and test it to make sure it’s in a great working condition. To reset your Jeep ECM you’re going to have to follow a couple of easy steps and you’ll be done before you even know it.
How do you reset a Grand Cherokee computer?
Disconnect the scan tool from the DTC port when done. If you do not have a quality scan tool, refer to Step 3. Disconnect the negative battery cable and leave it disconnected overnight. Reconnect the negative battery cable in the morning and all but any hard codes will be cleared.
What’s the difference between ECM and PCU in a jeep?
The Jeep Engine Control Module, known as the PCM ( Powertrain Control Module) ECU ( Electrical Control Unit ) or to simply it put the Automotive Engine Computer . Confusing right? If you would like to know more about their differences you can read up on our previous post ” Difference between ECM, ECU & PCM ” which we covered it in details.
What to do if your Jeep PCM is not working?
As an experienced Electronics Engineer, I have gone the extra step and added the use of a deoxidizer on the connectors, which will protect the connections as well as increase their electrical integrity. I have personally used this cure myself on several Jeeps having been a longtime Jeeper with myfirst being a 76 Cherokee S.
Is there a no start Jeep Grand Cherokee?
I have a 2000 Jeep Grand Cherokee with a 4.0L with a no start, no spark condition. I also have a fuel and voltage gauge that is NOT reading correctly, however I did do a gauge check, hold in the trip reset and turn the key on and they all worked.
Here is a little summary of it , the ECM is the brain of the vehicle and just like everything else you’re going to have to reset it and test it to make sure it’s in a great working condition. To reset your Jeep ECM you’re going to have to follow a couple of easy steps and you’ll be done before you even know it.
The Jeep Engine Control Module, known as the PCM ( Powertrain Control Module) ECU ( Electrical Control Unit ) or to simply it put the Automotive Engine Computer . Confusing right? If you would like to know more about their differences you can read up on our previous post ” Difference between ECM, ECU & PCM ” which we covered it in details.
There are certain emissions-related codes that may require a Chrysler/Jeep dealership to inspect and clear. Disconnect the scan tool from the DTC port when done. If you do not have a quality scan tool, refer to Step 3. Disconnect the negative battery cable and leave it disconnected overnight.
What to do if your Grand Cherokee computer forgets hard codes?
Disconnect the negative battery cable and leave it disconnected overnight. Reconnect the negative battery cable in the morning and all but any hard codes will be cleared. By disconnecting the battery, you are essentially giving the computer a form of amnesia, whereby the computer forgets any stored codes.
What happens when you disconnect the battery on a Grand Cherokee?
By disconnecting the battery, you are essentially giving the computer a form of amnesia, whereby the computer forgets any stored codes. However, if you have not corrected the problem that caused the code in the first place, the code will return soon and the “check engine” light will come back on.
Where is the DLC port on a Jeep Grand Cherokee?
Connect the scan tool’s data cable to the data link connector (DLC) port. In most Jeeps, the DLC port is located next to the fuse panel under the driver’s side dash.
I am having a problem with the click click of the starter on a 2005 Jeep Cherokee Limited. It would start sometimes after several attempts. Now no start just clicks.
Why does my Jeep turn over but does not start?
Cranks But Does Not Start Condition: In this type of condition, you turn the key and the engine in your Jeep cranks (turns over) but it doesn’t start (run). The usual suspects, that can cause this type of problem, are a bad fuel pump, bad crank sensor, bad ignition coil (if your Jeep is distributor equipped), etc.
What to do when your Jeep Grand Cherokee won’t start?
As mentioned, the next time the engine won’t start leave the ignition switch on so the dash lights are on. Step on the brake pedal and shift the transmission into neutral and then try starting the engine. If the engine starts then the problem is with the transmission range switch. Thanks for all the suggestions!
Cranks But Does Not Start Condition: In this type of condition, you turn the key and the engine in your Jeep cranks (turns over) but it doesn’t start (run). The usual suspects, that can cause this type of problem, are a bad fuel pump, bad crank sensor, bad ignition coil (if your Jeep is distributor equipped), etc.
What causes no start on a jeep 4.0L?
Updated: 29 June 2019. Article Id: 420. A no start condition, on your 4.0L Jeep, is usually caused by a lack of fuel, or a lack of spark, or a lack of air (generally engine compression).
How can I tell if my Jeep Grand Cherokee is shifting?
Turn ignition key ON and OFF three times, finally leaving the key in the ON position. Leave the Overdrive Off Switch in the normal overdrive (ON) position. Immediately begin counting the number of flashes displayed by the Overdrive Off Switch indicator lamp. There will be two sets of flashes, separated by a pause.
Disconnect the negative battery cable and leave it disconnected overnight. Reconnect the negative battery cable in the morning and all but any hard codes will be cleared. By disconnecting the battery, you are essentially giving the computer a form of amnesia, whereby the computer forgets any stored codes.
Where is the reset button on a Jeep Grand Cherokee?
In extreme cases, hard codes are generated, which can only be cleared with a proper scan tool, or by resetting the computer. Connect the scan tool’s data cable to the data link connector (DLC) port. In most Jeeps, the DLC port is located next to the fuse panel under the driver’s side dash.
Where is the scan tool on a Jeep Grand Cherokee?
Connect the scan tool’s data cable to the data link connector (DLC) port. In most Jeeps, the DLC port is located next to the fuse panel under the driver’s side dash. Refer to the scan tool’s specific owner’s manual on how to run a self test on the PCM and clear the code.
Why does my Jeep gauges go crazy with the key off?
JUST NOTICED THAT WITH KEY OFF IF YOU HIT THE WINDSHIELD WIPERS THAT GAUGES WILL MOVE. JEEP DEALERSHIP CAN’T FIGURE IT OUT AND NEITHER CAN MY MECHANIC. MECHANIC THINKS ITS A ELECTRIC PROBLEM? WHAT ABOUT IGNITION? OBVIOUSLY THERE MUST BE SOME JUICE GETTING TO GAUGES WITH KEY OFF. ALSO, JEEP IS IN WON’T START MODE NOW.
How to reset your Jeep engine control module?
3- Once the time has passed you should now turn the headlights “on” and “off” twice to drain the Engine Control Module from any remaining power. 4- Now plug back in the negative terminal and your Jeep ECM should now be reset. To finish off this post , here are a couple of things you should keep in mind.
What happens if I Reset my Jeep ECM?
To finish off this post , here are a couple of things you should keep in mind. Resetting your Jeep ECM will not have any effect on your vehicle’s mileage, Resetting it should not cause any issues between your other module so feel free to this as many time as you want if you’re trying to diagnose a problem with your car. For good measure.