Just found this on the DC Tech Authority website. Dated March 14 2006, TSB 18-009-006.

subject - Flash: Enhanced Torque Converter Operation and Glow Plug Operation or Brake Switch DTC P0504

overview - this bulletin involves selectively erasing and reprogramming the Transmission Control Module (TCM) and Engine Control Module (ECM) with new software.

models - 2005 KJ Liberty/Cherokee equipped with 2.8 L diesel engine (sales code ENR).

diagnosis - if the vehicle is in for service perform the Repair Procedure.

sorry i can't give more info right now, but it's time to go to work.

_________________
Mitchell Oates
'87 MB 300D Diamond Blue Metallic
'87 MB 300D - R.I.P. 12/08
'05 Sport CRD Stone White
Provent CCV Filter/AT2525 Muffler
Stanadyne 30 u/Cat 2 u Fuel Filters
Fumoto Drain/Fleetguard LF3487 Oil filter
V6 Airbox/Amsoil EAA Air Filter
Suncoast TC/Shift Kit/Aux Cooler
Kennedy Lift Pump/Return Fuel Cooler

Well, here is the same thing for only 2006 models and one TSB number earlier, 18-008-06, so it looks like they issued one for the 2006 models first and if yours shows up, 2005 models as an after thought...

http://www.alldata.com/tsb/Chrysler/114 ... 06/81.html

What concerns me is when you read it, it's not just about operation of the torque converter and glow plugs - but specifically states improvement to both operation and durability.

Do I need to call the service department and mention the new TSB and schedule and appointment?

While on the topic..... I have 12,000 miles on my machine and have changed to oil and filter 2X myself.

Will I be penalized for not having DC "service" the vehicle while under warranty?

Thanks guys!

I just got off the phone with 2 service departments and once again, they will not perform a TSB unless it's in there for some other reason and/or symptoms can be repeated.

I had the SAME problem with TSB 21-016-05 to get the transmission oil return filter replaced - no one would do it unless they could keep it over night and reproduce the symptom. Mine is now slow engaging first thing in the morning MOST of the time, but not all of the time. I took it in, the Jeep did not slow engage for them, got it back with nothing done.

I'm getting really tired of the typical dealer experience. They make everything a TSB so they don't have to do it by law, but show they have made SOME effort to address the problem.

I guess the "durability" of the torque converter and glow plugs will allow them to hold up until the basic warranty is over, so they don't make it a recall.

Anyone have this done notice anything different about the torque converter? Ours always seems pretty slow to react...

PS, I made an apointment for ours to get the TSB done on Tuesday...

I just got back from the dealer and tried to have a bunch of these done along with an oil change and they wouldn't touch it unless it had a code. I didn't notice what code was needed for this fix though? He said they all have a concern or code and I didn't notice one for this. Will any body do these fixes if you pay them to?

_________________
66K
Jeep Liberty Limited CRD Silver
Front tow hooks, rock rails
Skids, lift, 235x85 Toyo Open country A/T
Glasspack Exhaust

My dealership started to take the same tack, that TSB's are usually only issued to address a problem, and that the vehicle had to have a problem before they would do the TSB.

The one I was trying to get done, 18-018-05 (which, BTW has been superseded by this TSB) stated the same thing - no mention of the vehicle having to exhibit a problem first, just simply stated that when the vehicle is in for service to perform this TSB.

My service advisor agreed with me, that this was an update to the software that needed to be done regardless of problems, but stated that the service manager generally wouldn't approve doing a TSB unless there was a problem with the vehicle. I told her to tell him that all I was asking for him to do was call DC and verify whether this was an update that needed to be done regardless of the vehicle's status, or whether there needed to be an existing problem with the vehicle before it was performed. Also, considering that my build date was less than a week before the cutoff date for this TSB, to verify whether or not it would still even apply to my vehicle.

It may have helped that I had the vehicle in for other concerns, a leaking pinion seal on the rear diff and hard shifting of the tranny.

When they called back later that day, the service manager had ended up agreeing with us. It turns out that instead of performing 18-018-05, they had performed this TSB, 18-009-06, as they had just received it and said it was the updated version of the older 05 TSB!

I'll be picking the CRD up Saturday morning. I'll let you know what effect it has on performance and fuel mileage.

IMHO, if your dealer is trying to stiff you on getting this TSB done, saying the vehicle has to have a problem before they'll do it, here's what I'd do -

Contact DC Customer Assistance via the info in the owner's manual, off the Jeep website, the DC Tech Authority website, etc. Ask them specifically about this TSB and if it is an update that needs to be performed or can be performed regardless of whether or not the vehicle is exhibiting problems. If the answer is yes, then tell them that your dealer is refusing to perform the TSB and ask them for their recommendations/assistance in getting it performed. If the dealer is wrong in refusing to perform the TSB, they should give you a referal number, and tell you to go back to the dealership and contact the service manager, give him the referal number and ask him to call his district supervisor about resolving the problem. They'll also tell you that if the problem isn't resolved to your satisfaction, to give them a call back for further action.

_________________
Mitchell Oates
'87 MB 300D Diamond Blue Metallic
'87 MB 300D - R.I.P. 12/08
'05 Sport CRD Stone White
Provent CCV Filter/AT2525 Muffler
Stanadyne 30 u/Cat 2 u Fuel Filters
Fumoto Drain/Fleetguard LF3487 Oil filter
V6 Airbox/Amsoil EAA Air Filter
Suncoast TC/Shift Kit/Aux Cooler
Kennedy Lift Pump/Return Fuel Cooler

I will be getting my free oil change soon, I am going to ask about this TSB when I take it in. You folks are a bundle of knowledge.

_________________
Gasoline is for washing parts - Alcohol is for drinking - Nitromethane is for racing - Diesel is for hauling.

2005 CRD Limited 4x4 - Deep Beryl Green - Selec-Trac
Trac-Lok - Skid Plates - BFG Radial Long Trail TA's- Rotella T 5W40 Synthetic.

2007 GC CRD Limited. Silver.

My CRD has experienced every one of those problems that the TSB is supposed to address. Glow plug. Brake switch. And of course the on-going torque converter.... I am hoping that my repair history will speak for itself in getting this TSB applied...

_________________
http://www.pdxbiodiesel.org

What issues or symptoms have you seen with the torque converter?

I will be getting TSB 18-009-06 done tomorrow morning at the dealer. We have had none of the problems others here have had and I almost hate to do the TSB, but maybe it will provent a problem later.

_________________
91 MB 300D 2.5L Turbo. Her's

05 MB E320 CDI. Mine

Let us know if you see/feel anything different afterwards... I'm curious as to what they change software wise, be nice if they went into a little more detail, then just "improved torque converter operation"

Hopefully the ECU software adds a few pounds of boost

Will do.

The SM said he would make a copy of the TSB for my records. It apparantly is basically the same as the TSB for the '06 models and requires same time for the tech.

_________________
91 MB 300D 2.5L Turbo. Her's

05 MB E320 CDI. Mine

I know, I had the same conflicting feelings. Worried about screwing up an otherwise fine running vehicle, and whether or not the software change would send fuel mileage down the tubes, but at the same time worried about potential problems down the road (namely, EGR).

_________________
Mitchell Oates
'87 MB 300D Diamond Blue Metallic
'87 MB 300D - R.I.P. 12/08
'05 Sport CRD Stone White
Provent CCV Filter/AT2525 Muffler
Stanadyne 30 u/Cat 2 u Fuel Filters
Fumoto Drain/Fleetguard LF3487 Oil filter
V6 Airbox/Amsoil EAA Air Filter
Suncoast TC/Shift Kit/Aux Cooler
Kennedy Lift Pump/Return Fuel Cooler

I called chrysler twice and all they could say was go to a different dealer and see if they can help you out. I asked for someone to read the tsb with me and tell me if I should be able to have it or not and they refused.

I called the dealer and they said they had to have a problem or an issue before any tsb could be performed. I tried to explain that this tsb doesn't require a problem or a code and she said that is not true and they all do and they would have to duplicate the problem before any action could be taken. She offered to do it for 90 dollars though. Wow, this is an absolute joke, the problem/concern/symptoms are improved performace, I want improved performace and have decreased performance if this is for improved, correct. Sometimes life isn't worth living.

_________________
66K
Jeep Liberty Limited CRD Silver
Front tow hooks, rock rails
Skids, lift, 235x85 Toyo Open country A/T
Glasspack Exhaust

The "studder" between 50 and 60 mph, and very erratic and frequent shifting between 50 and 60 mph. They claimed it was just unfortunate transmission programming along with torque converter lockup timing...

I just got back from having the TSB done, and I am happy to say that it is like diriving a different vehicle. Well, not exactly - but close.

I was able to set cruise control at 55, and NO SHIFTING! Previously, anywhere in the mid 50s the transmission could never pick a gear and would shift up and down almost constantly. Now, I was able to keep speed at just about anywhere in the 50s and it would only up or downshift occasionally and when you would expect too. A VAST improvement.

I could not reproduce the "shudder" between 50 and 60 after hard acceleration. I did not have much time to try this, only once or twice... So I will have to try further. But it is a good sign, as I used to be able to make it happen almost on command.

And finally - I noticed it felt like there was a lot less action when cruising in the city around 30 and 40 mph... The whole shifting pattern and transmission behavior feels more refined and makes more sense... But that could just be me looking for good things - placebo and all...

I can't speak to the changes it makes with respect to glow plugs or brake switches - but I have had both replaced, so I hope that the fixes did something.

When my dealership saw the TSB they *called me* and had me come in...

I will have to do more highway testing and follow up....

_________________
http://www.pdxbiodiesel.org

Hey folks, I went through my battles years ago with DCX and thier.....show me a prob. and we will take care of it attitude.

Typical DCX BS......... nothing more!

But if you want to pay for the TSB then they will do it........this is a BIG RED LIGHT in my book.

Talk about a mess. Picked up the Jeep this morning, turns out they only did HALF the TSB! They assumed that it only reprogrammed the ECM like the old one did, and never bothered to check and see that it also reprogrammed the TCM. They didn't even bother putting the vehicle mod sticker under the hood, claimed that they just fell off and they could tell anyway once they hooked up their scan tool. I had to ask for the sticker and remind them they're required BY LAW to put this sticker on. Even then, they didn't fill it out properly, just put "reprogrammed pcm per tsb" on it, no info on WHICH TSB!

And they still stuck by their story on the tranny filter TSB, that it didn't apply to my VEHICLE build date. Just topped off the fluid and let it go at that.

Only bloody thing they did supposedly do was replace the leaking rear pinion seal. I'll be crawling up underneath when i get the chance to check that out.

Since I had to go to work today and their service dept closed early, and also because I was tired of arguing with these idiots, I just grabbed my paperwork and left. Even though I bought it at that dealership, needless to say I won't bother making the 60 mile round trip back to them for any more service.

There's a few more CJD dealers in the area, I'll be calling them to see if I can get it in to get the other half of the TSB done.

If this crap keeps up, I'll trade the bloody thing in on another Subaru.

_________________
Mitchell Oates
'87 MB 300D Diamond Blue Metallic
'87 MB 300D - R.I.P. 12/08
'05 Sport CRD Stone White
Provent CCV Filter/AT2525 Muffler
Stanadyne 30 u/Cat 2 u Fuel Filters
Fumoto Drain/Fleetguard LF3487 Oil filter
V6 Airbox/Amsoil EAA Air Filter
Suncoast TC/Shift Kit/Aux Cooler
Kennedy Lift Pump/Return Fuel Cooler

Had ours done this morning and could not tell much difference other then it seems to "maybe" shift better in town, but I haven't driven it enough (3 miles) yet to be sure. I will be going on the 60 mile drive for fuel later today or tomorrow and will post back if I have any additional observations.

_________________
91 MB 300D 2.5L Turbo. Her's

05 MB E320 CDI. Mine

You drive 60 miles to get fuel?