Found on Star Center

Search Result #1 of 278 (100%)

Case Number K30389277
Vehicle Issue Service 4wd light coming on. Code C1405 set.
Year 2007 | 2008
Model WK - Grand Cherokee
Engine 6.1L SRT HEMI (SMPI) V8
Scan Tool Diagnostic Trouble Codes / Error Message C1405
Case Verification Service 4wd light on. Code C1405 is found. Tech checked wiring, shift motor and FDCM. Code still sets. If wiring, shift motor and FDCM has been ruled out as possible cause, inspect the transfer case fluid condition.
Recommendation Check the transfer case fluid condition. If the fluid has dark/burnt look to it, tear down the transfer case and inspect the clutches for wear. Service clutches as required.
Modification Date 09/25/08 4:20 PM

good find im going to the dealer

Great... looks like my next mod will be BBill's transfer case, lmao. I wonder if they use kevlar clutches in the tcase as well?

Hummmmm,, :thinkerg:

Great... looks like my next mod will be BBill's transfer case, lmao. I wonder if they use kevlar clutches in the tcase as well?
Yes, our High Output transfer case uses Kevlar clutches and GM TracII fluid that is about $8 per quart, NOT $50 per quart.
Bill

Found on Star Center

Search Result #1 of 278 (100%)

Case Number K30389277
Vehicle Issue Service 4wd light coming on. Code C1405 set.
Year 2007 | 2008
Model WK - Grand Cherokee
Engine 6.1L SRT HEMI (SMPI) V8
Scan Tool Diagnostic Trouble Codes / Error Message C1405
Case Verification Service 4wd light on. Code C1405 is found. Tech checked wiring, shift motor and FDCM. Code still sets. If wiring, shift motor and FDCM has been ruled out as possible cause, inspect the transfer case fluid condition.
Recommendation Check the transfer case fluid condition. If the fluid has dark/burnt look to it, tear down the transfer case and inspect the clutches for wear. Service clutches as required.
Modification Date 09/25/08 4:20 PM
GREAT find Jeff!
Bill

GREAT find Jeff!
Bill


Thanks, I try to get on Dealerconnect every week or so to get the pulse of whats happening on the service side ...........good/bad

What's the opinion on changing the fluid on a low mile 8600 w/no problems? I was going to wait until ~15k.

I did mine at 10,000 and it did not look good it's a coin toss

mine at 20k looked dark, but was ok. I changed it anyway.

What's the opinion on changing the fluid on a low mile 8600 w/no problems? I was going to wait until ~15k.
Why wait.....the fluid is the largest cause of the transfer case problems.:confused:
Bill

Hey Jeff, does that mean you have to throw a code/service 4wd light in order for them to inspect the fluid and clutches ?---I saved both of my bottles of tcase fluid from 6&12k miles and they look like @ss. I dont have any errors/codes popping up but is this something i should go and discuss w/ the dealer or wait until a code comes up....oh and the srt engineers both told me that the fluid doesnt look normal...

Are the 06's immune to this problem? I see it is referring to 07 and 08.

This is why my 07 was lemond, they replaced everything electrical because i kept getting the service4wd constantly, they replaced the harness 2x, the fdm, 3x transfer case motor, and i even told the aholes that they should put in a new tcase....but wait that was too much $$$$$ for chrysler...so they wasted my time and ultimately they had to pay me back for a jeep w/ 30k miles on it cause they SUCK ! and towards the end if i drove w/ the trac off -holy crap it sounded like a box of marbles being crushed. Thats why i just parked it and drove my brothers car for a month before everything was finalized. I wasnt gonna have the whole tcase take a crap and than have them blame me for some i'sh.

Are the 06's immune to this problem? I see it is referring to 07 and 08.

yeah cuz the 06's are awesome!!!:D

yeah cuz the 06's are awesome!!!:D

^^^^^^^^^^^^^^^^^^^^^^^^^^^^ oh helz yea

Hey Jeff, does that mean you have to throw a code/service 4wd light in order for them to inspect the fluid and clutches ?---I saved both of my bottles of tcase fluid from 6&12k miles and they look like @ss. I dont have any errors/codes popping up but is this something i should go and discuss w/ the dealer or wait until a code comes up....oh and the srt engineers both told me that the fluid doesnt look normal...
The SRT Engineers DO know!
It is the warranty dept. that they can't get this through.
The Engineers were going to send me a new transfer case for the info I gave them.
Warranty group turned it down. Bunch of pric*s!
Bill

Greaaaat. I just hit 36,500 miles. Funny thing is though my light used to come on about 7K after I serviced it occasionally. Hasn't done it lately, but it is noted in my "file".

^^^^^^^^^^^^^^^^^^^^^^^^^^^^ oh helz yea

hehehehe! Tony! pass me a beer bro!:cheers:

hehehehe! Tony! pass me a beer bro!:cheers:

hahaha

:cheers::cheers::cheers::cheers::cheers:

Hey Jeff, does that mean you have to throw a code/service 4wd light in order for them to inspect the fluid and clutches ?---

Adrian, the MIL for the Service 4WD has about 20 reasons (DTC's) why the MIL would set on the Service 4WD. This is just one case that esculated to a STAR Level, (STAR is when after the dealer tech has no more answers he/she contacts corporate and then they lead them thru troubleshooting and a resolution).

It's apparent that some troubleshooting went on before this particular case was acted on...... as for your previous problems it's hard to say.

At this point most of the old timer's on the board agree that Transfer Case Fluid service on a 5-7K mile service schedule wouldn't hurt as opposed to what Chrysler says. At this point SRT doesn't really mean squat around here anymore. We have our own Guru in Bill.

^ thats about the schedule i've been keeping w/ the tcase fluid- roughly every 6-8k and i'm keeping a small pop bottle of the fluid marked every single time. The dealer is noting that i'm also requesting samples. So if anything should happen i have solid proof this was an issue from day one. I'd like to see a revision either in the actual transfer case or in the way it is produced. Seems like its a sturdy unit but the assembly line operation might not be up to par and many of these units are barely falling into spec.