2008 Jeep Grand Cherokee Limited No Start Problem
06-30-2014, 05:23 PM
#16
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Starts then wont start
I have a 2003 jeep cherokee laredo. Lately almost every time i try to go some where i turn the key an everything likes up an you can hear the fuel pump but it will not turn over it just makes a faint click an nothing. If i keep trying an trying it will eventually start. I replaced the starter but still doing the same thing. Someone please help
08-22-2014, 11:28 PM
#17
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2008 Jeep Grand Cherokee Limited No Start Problem
We also have had this annoying problem. We discovered that one of the plugs was corroded on the starter....above the exhaust the retention clip was also gone, got it plugged back in but unfortunetly it happened again in a rain storm. Got tired of crawling under car and trying to get up in there to work on the plug. Took it to shop to have plug replaced. There was a second plug it had started melting from arcing so we were fortunate that we didn't have a fire.....Got the whole starter harness replaced with the retainer clips.
08-23-2014, 09:28 AM
#18
Old fart with a wrench
I have a 2003 jeep cherokee laredo. Lately almost every time i try to go some where i turn the key an everything likes up an you can hear the fuel pump but it will not turn over it just makes a faint click an nothing. If i keep trying an trying it will eventually start. I replaced the starter but still doing the same thing. Someone please help
08-23-2014, 09:56 AM
#19
Old fart with a wrench
People, the "electrostatic discharge" mentioned earlier has me intrigued. Is this like scuffing your feet on the carpet and touching the cat? If you slide across the seat and the first thing you touch is the key into the ignition, I can see this screwing up the electronic sensor quite easily.
Electrostatic discharges are not a joke. Aircraft fuel hoses have a grounding plug on them that get plugged in before you open the tank. I used to work nights on an aircraft carrier flight deck and have seen sparks from the tail hooks to the deck just before the plane touches down. I'm talking lightning bolt like sparks!
Try making a habit of touching your key to something metal before sticking it into the ignition. Something like the gear shift.
Electrostatic discharges are not a joke. Aircraft fuel hoses have a grounding plug on them that get plugged in before you open the tank. I used to work nights on an aircraft carrier flight deck and have seen sparks from the tail hooks to the deck just before the plane touches down. I'm talking lightning bolt like sparks!
Try making a habit of touching your key to something metal before sticking it into the ignition. Something like the gear shift.
09-04-2014, 08:55 AM
#20
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Model: Grand Cherokee
Engine: 4.7L
2009 JGC Limited 4.7L - 2nd time no start in a month and will not jump start. First time it sat at the mechanic's overnight (after a tow) and started up fine the next morning. Today, no start. Disconnected the battery. Reconnected the battery - started right up. I'm now carrying a 10mm wrench with me.
09-16-2014, 06:03 PM
#21
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2008 Jeep Cherokee Limited
We purchased this in April of 2011, it only had the original key fob so we insisted that the dealer supply another one which they did. In May of 2014 it would't start. After waiting and finally calling a tow truck, after an hour the tow truck showed up and of course it started. After I drove home, it again would not start. We then had it towed to a shop. We tried both key fobs, everything on the fobs worked except starting. The shop had it for 3 days and everytime they try to start it, it started right up. So we picked it up and it was fine for about 4-5 weeks. Then another day it wouldn't start, it only took about 15 mins this time and then it started right up. Again was fine for another 3 weeks. Again it started after 15 mins. Just last week it wouldn't start, after waiting for an hour, we called a tow truck and had it towed to a dealer, of course they were closed so we had to wait until morning. The tow truck driver said it was the key fob, I don't really believe that as this was the new one and everything else worked. So, when I called the dealer in the morning, they of course went out and it started right up. All I got was unless it is doing this when they hook it up to the scanner, he can't tell me what it wrong. I am so tired of getting stranded! Any advice????
09-17-2014, 07:49 AM
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kprsmum ,
That is what ours kept doing, it was the starter and solenoid wires. The one side was corroded and the retainer clip missing the other one was melted and arcing and it too had the retainer clip missing. The mechanic replaced the wires and no problem since then.
That is what ours kept doing, it was the starter and solenoid wires. The one side was corroded and the retainer clip missing the other one was melted and arcing and it too had the retainer clip missing. The mechanic replaced the wires and no problem since then.
06-25-2015, 09:14 AM
#23
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Mine is doing the same thing. It just started the other day, left my wife stranded. We had it towed (AAA) to my buddy's garage and he was able to get it cranking by jumping starter solenoid right off battery. We replaced the battery because it was going on 7 years old (original battery) and it started up just fine. Then i changed the oil started it up a few times and the 3rd try it wouldn't start again. Disconnected the battery and reconnected a few times nothing. Let it sit overnight then reconnected the battery and was able to get it started again.
Whats the deal?? It seems like once I'm able to get something reset by killing the power to it it starts. Definitely seems like a module? Now its starting fine again. Should i look into this WCM thing? What is it exactly? Would the dealership be able to test it? I'm afraid if i bring it in they will just start throwing parts at it..
Really sucks as the jeep has been great up till now. Weve had it for 6+ years and it never left us stranded. Now I'm afraid to let my wife drive it.
2008 WK 4.7
Whats the deal?? It seems like once I'm able to get something reset by killing the power to it it starts. Definitely seems like a module? Now its starting fine again. Should i look into this WCM thing? What is it exactly? Would the dealership be able to test it? I'm afraid if i bring it in they will just start throwing parts at it..
Really sucks as the jeep has been great up till now. Weve had it for 6+ years and it never left us stranded. Now I'm afraid to let my wife drive it.
2008 WK 4.7
05-22-2017, 10:43 AM
#24
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Wiring diagram
Please send me the wiring diagram thank you!
At this point, everything seems to be working fine on my Jeep now. I was able to find a starting system wiring diagram and work backwards from the starter. The issue appeared to be a slightly corroded wire on the solenoid (the yellow/grey wire coming off the starter motor relay in the power distribution center).
To test and see if that is your issue or possibly diagnose a starter problem, measure the current off of pole 87 on the relay at crank and you should get a positive 12v. I was lucky enough to have a SPST relay tester available but if you don't, just carefully wrap 18 guage wire around the 87 pole and reinsert the relay. Make sure that the wire isn't touching any other part of the relay. When you turn the key to start, you should have a +12v DC at that wire which means the computer is functioning properly. If you don't, recheck your connections and make sure you didn't hook it up to the remote start relay and try again. If still no juice, then it is all in the computer system (that relay is directly controlled by the PCM).
On a side note - I agree with the huntingman. If the starter doesn't turn - the computer shouldn't shut it down immediately. After a period of about 10 seconds when the crank sensor does not receive a positive crank signal, that's when it makes that call.
Message me if you would like a copy of the starting system wiring diagram.
To test and see if that is your issue or possibly diagnose a starter problem, measure the current off of pole 87 on the relay at crank and you should get a positive 12v. I was lucky enough to have a SPST relay tester available but if you don't, just carefully wrap 18 guage wire around the 87 pole and reinsert the relay. Make sure that the wire isn't touching any other part of the relay. When you turn the key to start, you should have a +12v DC at that wire which means the computer is functioning properly. If you don't, recheck your connections and make sure you didn't hook it up to the remote start relay and try again. If still no juice, then it is all in the computer system (that relay is directly controlled by the PCM).
On a side note - I agree with the huntingman. If the starter doesn't turn - the computer shouldn't shut it down immediately. After a period of about 10 seconds when the crank sensor does not receive a positive crank signal, that's when it makes that call.
Message me if you would like a copy of the starting system wiring diagram.
11-22-2017, 04:33 PM
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Having the same issue with my Cherokee. I was able to get it to start again by leaving the IOD fuse out overnight and then pulling the battery cable for 20 minutes. Started fine for two more weeks then today after dropping my son off at daycare it wouldn't start again. Tried following the TSB but it still won't start, going to try what worked last time and leave the fuse out overnight again. Hoping I can get the starter tested and see if that's the root of the problem. Thanks for sharing all of the info guys!
02-24-2018, 05:36 PM
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Hi all, sorry to hi-jack this thread but I am experiencing the same "no start" issues as many of those seen on this and other forums. Except, mine hasn't been giving any indications of a problem - just decided not to start last night.
I have a 2008 JGC Overland with the 3.0L diesel.
First thought was that it was the battery but it won't jump either. Just to be sure we hooked it to a charger overnight. It's now reading that the battery is fully charged but the Jeep still won't turn over - doesn't even crank.
So, after doing some research on these types of forums, it sounds like it's likely the starter itself or a corroded terminal at the solenoid. The problem is the location of the starter. I read online that you have to loosen the front driveshaft and move it back so you can get to the starter from underneath. My boyfriend is a gearhead on the side and can do just about anything with a little helpful info.
Anyone have any diagrams/instructions on actually finding and getting to the starter? I'm assuming the starter is in the same spot on the diesels as it is on the regular gas engines?
08CherokeeLimited - if you're still on this thread I would love to get a copy of that starter wiring diagram you were able to find. Also, on a side note - I noticed you're in Waynesboro, PA - my boyfriend is originally from Masontown - small world!
I have a 2008 JGC Overland with the 3.0L diesel.
First thought was that it was the battery but it won't jump either. Just to be sure we hooked it to a charger overnight. It's now reading that the battery is fully charged but the Jeep still won't turn over - doesn't even crank.
So, after doing some research on these types of forums, it sounds like it's likely the starter itself or a corroded terminal at the solenoid. The problem is the location of the starter. I read online that you have to loosen the front driveshaft and move it back so you can get to the starter from underneath. My boyfriend is a gearhead on the side and can do just about anything with a little helpful info.
Anyone have any diagrams/instructions on actually finding and getting to the starter? I'm assuming the starter is in the same spot on the diesels as it is on the regular gas engines?
08CherokeeLimited - if you're still on this thread I would love to get a copy of that starter wiring diagram you were able to find. Also, on a side note - I noticed you're in Waynesboro, PA - my boyfriend is originally from Masontown - small world!
06-02-2019, 04:59 PM
#27
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08 grand Cherokee no start
At this point, everything seems to be working fine on my Jeep now. I was able to find a starting system wiring diagram and work backwards from the starter. The issue appeared to be a slightly corroded wire on the solenoid (the yellow/grey wire coming off the starter motor relay in the power distribution center).
To test and see if that is your issue or possibly diagnose a starter problem, measure the current off of pole 87 on the relay at crank and you should get a positive 12v. I was lucky enough to have a SPST relay tester available but if you don't, just carefully wrap 18 guage wire around the 87 pole and reinsert the relay. Make sure that the wire isn't touching any other part of the relay. When you turn the key to start, you should have a +12v DC at that wire which means the computer is functioning properly. If you don't, recheck your connections and make sure you didn't hook it up to the remote start relay and try again. If still no juice, then it is all in the computer system (that relay is directly controlled by the PCM).
On a side note - I agree with the huntingman. If the starter doesn't turn - the computer shouldn't shut it down immediately. After a period of about 10 seconds when the crank sensor does not receive a positive crank signal, that's when it makes that call.
Message me if you would like a copy of the starting system wiring diagram.
To test and see if that is your issue or possibly diagnose a starter problem, measure the current off of pole 87 on the relay at crank and you should get a positive 12v. I was lucky enough to have a SPST relay tester available but if you don't, just carefully wrap 18 guage wire around the 87 pole and reinsert the relay. Make sure that the wire isn't touching any other part of the relay. When you turn the key to start, you should have a +12v DC at that wire which means the computer is functioning properly. If you don't, recheck your connections and make sure you didn't hook it up to the remote start relay and try again. If still no juice, then it is all in the computer system (that relay is directly controlled by the PCM).
On a side note - I agree with the huntingman. If the starter doesn't turn - the computer shouldn't shut it down immediately. After a period of about 10 seconds when the crank sensor does not receive a positive crank signal, that's when it makes that call.
Message me if you would like a copy of the starting system wiring diagram.
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