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  #29  
Old 11-10-2013
chrisk  chrisk is offline
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Mine's booked into the dealer for the update next Thursday, hope all goes OK and I don't have any issues after like a couple of you have had. I'll let you know how it goes.
Had it done at Bayside Jeep yesterday. Tested all OK when I got back into the car. Went into 4wd Low without any issues. Hope it's all good now.
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  #30  
Old 11-10-2013
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After my initial hiccup mine hasn't given me any problems
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  #31  
Old 13-10-2013
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Default WARNING - TC recall has huge issues world wide

I had my transfer case recall done Thursday week ago and now I'm having issues with a warning on the Dash. "Service 4WD system" I've checked my diff and transfer oils and all is OK. I notice today that i can here the transfer case motor shifting when I start to drive forward and I can feel the car do a strange hop as I turn out of my drive. I thought this was the ABS wheel speed sensors but found these all to be OK and it's actually the transfer case trying to lock. Similar to when you go to low range. And the engine is not shifting gears until a far higher rev range. Like its in low range.
I have now check out the feed back on the USA jeepcommander.com forum and there's a hole heap of issues this recall has caused.
http://www.jeepcommander.com/forums/...er+case+recall
Don't get the recall done unless your ready for the problems.

I'm phoning them tomorrow and asking if they can remove the recall flash to my transfer case. If they don't it's off to court. I'm pissed off!
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  #32  
Old 14-10-2013
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I had my transfer case recall done Thursday week ago and now I'm having issues with a warning on the Dash. "Service 4WD system" I've checked my diff and transfer oils and all is OK. I notice today that i can here the transfer case motor shifting when I start to drive forward and I can feel the car do a strange hop as I turn out of my drive. I thought this was the ABS wheel speed sensors but found these all to be OK and it's actually the transfer case trying to lock. Similar to when you go to low range. And the engine is not shifting gears until a far higher rev range. Like its in low range.
I have now check out the feed back on the USA jeepcommander.com forum and there's a hole heap of issues this recall has caused.
http://www.jeepcommander.com/forums/...er+case+recall
Don't get the recall done unless your ready for the problems.

I'm phoning them tomorrow and asking if they can remove the recall flash to my transfer case. If they don't it's off to court. I'm pissed off!
Sounds like the same thing as everyone here who's reported the "Service 4wd system" error, except maybe you're just a bit more observant, noticing the actuator running, change in shifting points, etc?

Maybe worth a shot getting your dealer to re-do it properly as-per a few of the other guys posts here.


Buut... with all these issues being reported, I'm starting to think that DC owe everyone an explanation and more detail of the original problem.
From an engineering perspective, it's ticking a lot of boxes for being a sham/hack work-around.

The only thing we've been told is that a software update has been issued to fix "cracking" circuit boards... that's suspicious on a lot of levels.
My guess is that some component(s) in the PCM have been suffering early thermal fatigue at the solder joints, and rather than paying to swap and re-reflow the components, they've updated the firmware to be more intelligent or lenient about interpreting some of the signal(s) it's getting.
That wouldn't necessarily be a bad thing, but it does look like they might've rushed it, or bitten off more than they could chew using only a software update.

Then-again, lots of people have had no problems (once the procedure is followed correctly.)... so maybe it's a red-herring .
Would be interesting to see stats of how many have had issues.
  #33  
Old 14-10-2013
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Originally Posted by JamesLaugesen View Post
Sounds like the same thing as everyone here who's reported the "Service 4wd system" error, except maybe you're just a bit more observant, noticing the actuator running, change in shifting points, etc?

Maybe worth a shot getting your dealer to re-do it properly as-per a few of the other guys posts here.


Buut... with all these issues being reported, I'm starting to think that DC owe everyone an explanation and more detail of the original problem.
From an engineering perspective, it's ticking a lot of boxes for being a sham/hack work-around.

The only thing we've been told is that a software update has been issued to fix "cracking" circuit boards... that's suspicious on a lot of levels.
My guess is that some component(s) in the PCM have been suffering early thermal fatigue at the solder joints, and rather than paying to swap and re-reflow the components, they've updated the firmware to be more intelligent or lenient about interpreting some of the signal(s) it's getting.
That wouldn't necessarily be a bad thing, but it does look like they might've rushed it, or bitten off more than they could chew using only a software update.

Then-again, lots of people have had no problems (once the procedure is followed correctly.)... so maybe it's a red-herring .
Would be interesting to see stats of how many have had issues.
From what I have read about the recall the flash doesn't fix anything, it adds an extra protocol to the transfer case neutral shifting sequence. When the circuit board goes faulty it fool's the TCM into thinking neutral mode has been selected & the TCM actuates the neutral shifting sequence. The flash adds a check that confirms the validity of the message received by the TCM before the shift will proceed, a sort of fail safe you might say.
If you happen to have a faulty board you will get a fault and the board will need replacing.
From what I have read the whole shifter is replaced as the board is not a separate part & I bet Jeep will charge you for that
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  #34  
Old 14-10-2013
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From what I have read about the recall the flash doesn't fix anything, it adds an extra protocol to the transfer case neutral shifting sequence. When the circuit board goes faulty it fool's the TCM into thinking neutral mode has been selected & the TCM actuates the neutral shifting sequence. The flash adds a check that confirms the validity of the message received by the TCM before the shift will proceed, a sort of fail safe you might say.
If you happen to have a faulty board you will get a fault and the board will need replacing.
From what I have read the whole shifter is replaced as the board is not a separate part & I bet Jeep will charge you for that
Aaah thanks, you totally shot down my rant ... in that case, it sounds like they've acted appropriately (considering that they're only required to prevent the risk of injury as part of the recall, not the faulty part(s) itself.).
But it makes the errors some people had more strange.

I guess it could just be as simple as the mechanics not following the recall procedures correctly.
  #35  
Old 14-10-2013
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Its just a suspicion but I think its the tech not clearing any present fault codes the "3" times the procedure calls for.
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