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Unread 08-26-2014, 08:15 PM   #3871
RVThere
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Quote:
Originally Posted by Jtav2012 View Post
I know its just anecdotal evidence but I replaced my 199AJ with a 199AL and haven't had anything strange happen for 2 months (except for my 4lo and neutral working properly, so weird...)

So if you can find one that's close, even if it isn't 1-letter off, it might be worth a shot.

http://www.jeepforum.com/forum/f67/n...l#post23914562
Totally agree if you find a pre-N23 FDCM that has a letter that is AFTER the letter on your current FDCM. Problems arise when you try to use an older pre-N23 FDCM that has a letter that is BEFORE the one that came with the Jeep.

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Unread 08-27-2014, 02:07 AM   #3872
chmo
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Quote:
Originally Posted by RVThere View Post

Totally agree if you find a pre-N23 FDCM that has a letter that is AFTER the letter on your current FDCM. Problems arise when you try to use an older pre-N23 FDCM that has a letter that is BEFORE the one that came with the Jeep.
Or you are lucky ...
My 199AM got replaced by a 199AK (coming from a same spec Limited!) ... all working fine ... no lights at all.
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Unread 08-27-2014, 06:20 AM   #3873
Clach
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Interesting..Service message appeared (once) on start up but 4lo continues to work...so far, after 29/7 update!
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Unread 08-27-2014, 10:46 AM   #3874
allmuddled
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Jeep UK are now able to confirm that N23 caused problems.
I know this is old information, but I was given service bulletin: 21-022-14 and was told to book with the dealership and jeep would reimburse the re-flash.

Question: Has anyone gone back since and had the new flash applied (from service bulletin 21-022-14) ? Was it successful?
I am now 1 months since last fuse pull.

Caveat > If this re-flash doesn't fix it 'something else is wrong and you will need to pay for any further diagnostics
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Unread 08-27-2014, 11:36 AM   #3875
Craigyfm
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The saga continues.... I've had a new actuator, old FDCM replaced with one from breaker, pre-flash. The truck has just driven across Europe with no issues. Uk to East Germany. The truck has also had every fluid changed as part of the 80k service and low and behold, service 4wd light has come on at motorway speeds. The light goes off after I slow to 50-60 mph, and drives perfectly. I've read that a ground wire may cause this but don't know where to look, the common denominator is the speed as it's happened twice on the motorway. Also, could the transfer case fluid be expanding when driving and causing this... Please someone help as this is driving me off my head and I'm now paying out of my own pocket. Any advice on wires to be checked would be excellent. I can see a Landrover with my name on it............. This must be causing a lot of Jeep drivers to switch allegiance at a rapid rate.
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Unread 08-27-2014, 11:46 AM   #3876
Jtav2012
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Quote:
Originally Posted by Craigyfm View Post
The saga continues.... I've had a new actuator, old FDCM replaced with one from breaker, pre-flash. The truck has just driven across Europe with no issues. Uk to East Germany. The truck has also had every fluid changed as part of the 80k service and low and behold, service 4wd light has come on at motorway speeds. The light goes off after I slow to 50-60 mph, and drives perfectly. I've read that a ground wire may cause this but don't know where to look, the common denominator is the speed as it's happened twice on the motorway. Also, could the transfer case fluid be expanding when driving and causing this... Please someone help as this is driving me off my head and I'm now paying out of my own pocket. Any advice on wires to be checked would be excellent. I can see a Landrover with my name on it............. This must be causing a lot of Jeep drivers to switch allegiance at a rapid rate.

This sounds unrelated to the N23 recall, either the techs messed something up when they put the new actuator in or you have a different issue
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Unread 08-28-2014, 06:22 AM   #3877
Eigen48
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So yesterday I tried the fuse (#25) pull trick and it worked
Went right into 4WD LO. I even turned the engine off and back on tried it again and still worked. I will test it every day now.
Jeep Commander 06 4.7L Trail Rated again.
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Unread 08-28-2014, 02:16 PM   #3878
BJMOLD
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Had the new software update done three weeks ago plus new actuator.The low 4x4 has now been cycled around 140 times since then and all ok.The Jeep tech who I know said its imperative to do the update as per TSB .I am still cynical.I think pigs will fly before another recall over this problem.This still seems to be treated by FC on a case by case basis.I wasnt even contacted by my dealer re recent updates.There would be many 1000s of owners who wouldnt even know they had no low range..
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Unread 08-28-2014, 02:59 PM   #3879
johngreen1234
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I agree with this. Read a recent article that said recalls are now a major profit source for dealers. The very few owners who will never buy that brand is offest by the owners who trade the old bad car in on a new (bad) car.

And as for the recall service revenue, anyone who was coerced into shelling out $800 for an actuator to fix the faulty recall knows what profit means. Thank you Chrysler!
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Unread 08-29-2014, 07:58 PM   #3880
amcfanatic
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Quote:
Originally Posted by johngreen1234 View Post
. . . recalls are now a major profit source for dealers.

And as for the recall service revenue, anyone who was coerced into shelling out $800 for an actuator to fix the faulty recall knows what profit means. Thank you Chrysler!
And they also wanted me to pay 50% of a new wiring harness. He said it as if he was giving me a real deal.
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Unread 08-29-2014, 08:39 PM   #3881
johnevans3
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Craigyfm
Might check a wheel speed sensor. I had that problem. It would light up ABS, BAS, anti Skid and buck and sputter as if it has some bad gas. Should be a code stored to indicate that.
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Unread 08-30-2014, 06:20 AM   #3882
ZF1FR
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199AM is the latest spec?

I have a 2005 3.0CRD, I can get a 199AM coming from a 2008 3.0CRD.
Should it be OK?
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Unread 08-30-2014, 09:40 AM   #3883
cmwotring
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Day 1 after 7/29 update. So far so good.
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Unread 08-30-2014, 10:58 AM   #3884
CavallinoRed
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Quote:
Originally Posted by ZF1FR View Post
199AM is the latest spec?

I have a 2005 3.0CRD, I can get a 199AM coming from a 2008 3.0CRD.
Should it be OK?
More dependent on matching the part number than the donor vehicle. If you have a 199AL or a 199AM now it should work fine.

Reports of using a FDCM other than matching or one letter after have been mixed.

I'm assuming you checked that the recall was outstanding on the car this came from.
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Unread 08-30-2014, 01:06 PM   #3885
ZF1FR
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Quote:
Originally Posted by CavallinoRed View Post
More dependent on matching the part number than the donor vehicle. If you have a 199AL or a 199AM now it should work fine.

Reports of using a FDCM other than matching or one letter after have been mixed.

I'm assuming you checked that the recall was outstanding on the car this came from.
Yes the FDCM was confirmed N23 free. So I still have to remove my rear seats to check. If it's a 199AK you think it might be risky?
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