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  #13  
Old 05-05-2013, 03:49 AM
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Re: MIL (Malfunction Indicator Lamp)

Hey , i have a 2004 Grand Cherokee diesel engine 2.7 l.
yestarday the Mil lamp camed on, and nothing happend with it stayed on, read the manuel and there it sayd that i should try to start the engine few times to see if the MIL turns off after start, well it didnt.
After 2 hour i went to the local store and MIL lamp was on and the gearbox was blocked in the 2nd gear.
Can anybody say what i can do, or how can i fix it?
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  #14  
Old 05-05-2013, 06:43 PM
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Re: MIL (Malfunction Indicator Lamp)

With the mil light on, there is a fault code set by the PCM. You say that the transmission is stuck in 2nd gear, are you sure its not in third? When there is a transmission fault, the TCM will be switched off and it will work in limp mode. Not that familiar with the CRD tranny, but i thought that limp mode was also third gear. The jeep need to be scanned to see which fault code is set and which part is faulty.
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Old 05-06-2013, 01:31 AM
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Re: MIL (Malfunction Indicator Lamp)

so i need to take it to the dealership to test it ? and replace a gearbox sensor ?
this a moment that i hate liveing in Europe.
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Old 05-06-2013, 06:10 AM
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Re: MIL (Malfunction Indicator Lamp)

The CRD runs a MB gearbox not the Chrysler box so yes it locks into second gear. If it does not clear from a restart cycle then you have a permanent limp mode triggered and it can only be reset by the dealer tool.

The MB box runs a different fluid to the Chrysler box so keep that in mind come servicing time.

There is no external sensor as such that is a likely cause. There are 2 common issues with this box.

1. There is an electrical plug on the side of the box gthat has 2 orings in it and these leak over time due to a bad design of oring. Oil can then wick up the loom and cause issues. A new plug assembly is available which addresses the issue and comes with new orings. You cannot buy the orings seperately.
2. There is an electrical plate inside the box on top of the valve body and this controls all of the electrical signals within the box and these are known to play uop over time. Replacement is not that difficult.

Info on dealing with either is easily found on MB forums. I don't know what it's like for you over there but here in Australia Jeep dealers themselves are pretty hopeless with the CRD in this model as there was nowhere near as many sold as V8's. Also spares from Jeep are ridiculously priced and normally cheaper from MB and overseas.

We have a good following on the CRD here with a lot of info if you check out ausjeepoffroad.com.au

The other thing we have learnt about the WJ CRD is there are very few non dealer diagnostic tools that truely read the fault codes on this car even with the engine ECU. If you go to an independent mechanic make sure they really can diagnose the vehicle. We have not yet come across an aftermarket DIY diagnostic tool that gives us any info at all.

If you go to the dealer make sur ethey know wht they are doing also. The TCM has it's own set of diagnostic trouble codes and when one triggers it sends a signal to the ECU which then stores a more generic codes and triggers the MIL if needed. The code that comes up in the ECU is rarely of any real use in diagnosing a gearbox issue. Also be aware that the issue may not even be gearbox related but can be engine related but the gearbox still can go into limp mode if the engine issue upsets the TCM.

First thing to do however with this model is to get the battery checked out and not just with a simple multimeter test but it needs to be properley load tested. If the battery voltage is down under load this can trigger all sorts of fault codes. You could also try the key dance and see what codes do come up in the odometer but if the box is stuck in permanent limp I'd still be leaning towards a box issue.

When was the fluid changed and is the level correct. You do not have a dipstick and there is a specific process for checking the fluid level.
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Old 05-06-2013, 11:10 AM
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Re: MIL (Malfunction Indicator Lamp)

my Jeep has a history the 2004 Grand Cherokee was imported to Europe this way. Brouth piece by piece into Australia and asambled there, mode to Germany and added a mercedes 2.7 L diesel engine from the mercedes ML. and then sold into Europe

The gearbox is a QuadraDrive the same gearbox that the Grand Cherokee 2012 has.

the fluid from the gearbox was never changed-
the 15000 Km service was made every time except this time ( it has 17 000km and i still dont have the money to do it) (i used only the oil and filters that the dealership sayd)



what is the KEy DANCE ?
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Old 05-06-2013, 08:24 PM
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Re: MIL (Malfunction Indicator Lamp)

Key dance works like this: switch ignition switch three times off/on and leave it in on at the third time, the odometer will show DONE when all ok, or a fault code.
Normally for a transmission fault you get P0700, what means that the TCM had set a fault code. To get the transmission fault code you need the right scanner.
You talk about gearbox, but you mean the t-case, right? You have the Quadra Drive II T-case on your jeep?
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Old 05-06-2013, 11:47 PM
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Re: MIL (Malfunction Indicator Lamp)

i`ll try this now and i`ll se what happens
Quadra-drive (the first version)
and yes the code was p 0700
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Old 05-07-2013, 06:44 AM
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Re: MIL (Malfunction Indicator Lamp)

Then you have to take the jeep to a place with the DRBIII scanner to see which fault code is set by the TCM. Thats the only way to know what is going on.
Did you also take the jeep to a place where they could test the battery, as suggested by fester?
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Old 05-07-2013, 08:09 AM
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Re: MIL (Malfunction Indicator Lamp)

i tested the battery first with the multimetter after that my father tested it with the megometer. and it was good ( 95% to be exact ) i could give only 824 amp at a starup from the 850 the the battery has

engine off 12V on battery
engine on 14.5V on battery
engine startup - 824 amp ( from 850 )
and on another car 3l diesel ( hyundai ix55 - dad`s car ) the battery with 850 amps 2 years old had only 750 amps at engine startup
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Old 05-08-2013, 04:26 AM
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Re: MIL (Malfunction Indicator Lamp)

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Originally Posted by STR82Hell View Post
my Jeep has a history the 2004 Grand Cherokee was imported to Europe this way. Brouth piece by piece into Australia and asambled there, mode to Germany and added a mercedes 2.7 L diesel engine from the mercedes ML. and then sold into Europe
The gearbox is a QuadraDrive the same gearbox that the Grand Cherokee 2012 has.
the fluid from the gearbox was never changed-
the 15000 Km service was made every time except this time ( it has 17 000km and i still dont have the money to do it) (i used only the oil and filters that the dealership sayd)
what is the KEy DANCE ?
I not quite sure of your meaning here. The 2.7 CRD Grand was built in Austria not Australia and I've never heard any talk of them having the engine added seperately. The petrols Grands were built in USA, the diesels in Austria. But yes it does have the same engine and box as the ML270, although just about every Merc from that vintage and beyond run a version of that gearbox.
Also as Fango says you do not have the same gearbox as the 2012 models, they are now Fiat (VM) powered and as far as I know do not retain the MB gearbox. Quadradrive refers to the transfer case and differentials but you still do not have anything in common with the 2012. The transfer case is the same as the V8's with a variloc style arrangement for locking in high range with a positive lever operated locking in low range. The diffs have the variloc centres known as Quadradrive but from the next model on they became Quadradrive II and the version of that on the current models is slightly different again, mostly that they only have it in the rear (at least here in Australia).

I'm not sure of your comments about the gearbox fluid and what your current mileage is but if hasn't been changed then that could be a real source of your problems. MB originally stated this gearbox was sealed for life and did not require servicing but soon realised this was not possible. The fluid in this box should be changed at normal auto gearbox intervals based on your driving habits.

you refer to oils from your dealership which i'm guessing is engine oil since you state the gearbox has not been changed. I can't stress enough that make sure your dealer is in fact using the correct oil, do not take their word for it unless their is a wealth of knowledge over there for the 2.7 CRD Grand (known over here oficially as the WG). Given there appears to be no strong Jeep forum over there with talk of the 2.7 I am guessing the knowledge base with your dealers could be as average as it is here. Your gearbox oil is different to waht is used in the petrol Grands and even I believe in some of the later models with a version of this box. The fluid must comply with MB spec 236.10 or later. (Note this is different to 236.1 which is not an abbreviation for the 236.10)

Yes as Fango and I have noted the 0700 code is next to useless for diagnostics, so you'll need Jeep to delve further. You could do the oil but if it's locked in hard limp the dealer will still have to clear it so maybe it will be easier to start with them.

Was the 0700 the only code you had.
The issue could be anything from the cam sensor, to the ABS, to the speed sensors inside the box.
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Old 06-13-2013, 11:15 AM
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Re: MIL (Malfunction Indicator Lamp)

Quote:
Originally Posted by Andrew View Post
I dont care anymore.
Looking at new WKs. hehe.
Possibly Jeep is pushing this "keeping the legacy alive" a bit too far? :-)

I have a new WK2 just a week old, and that little engine malfunction indicator light just came on after about 700 miles on a 2014 Overland.

Came on at turn on, doesn't flash at all, just on as soon as you hit the run button.
No driveability issues at all...

The analog speedo lost all the numbers for about 3-4 start cycles, but then when the tech started it, of course the numbers are back.

But the MIL light still comes on.

''''waiting for the tech who understands these things....''
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Old 06-13-2013, 11:22 AM
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Re: MIL (Malfunction Indicator Lamp)

Quote:
Originally Posted by Chuck View Post
Just got the light this morning Tried doing the key thing but I'm probably doing it wrong.
Anybody got a tactic for doing the on off on off on trick on the keyless remotes on the 2014 Overland WK2?

The instrument panel indicates "no stored messages" but the MIL is staying on solid.
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