New ZF recall pending - 2014+ Jeep Cherokee Forums
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post #1 of 129 (permalink) Old 08-07-2016, 02:52 PM Thread Starter
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New ZF recall pending

Stumbled across this article (underlining mine, as is the comment at the end):
http://www.ctvnews.ca/autos/parts-ma...sler-1.3016288

DETROIT -- Automotive parts supplier ZF North America is recalling 505,000 control sensors in the U.S. because they can make some nine-speed transmissions shift into neutral without warning.
The company says in government documents that the transmissions were sold to several automakers that will issue recalls. But the only one identified was Fiat Chrysler, which discovered the problem and reported it to the National Highway Traffic Safety Administration.
ZF says a star-shaped connector on a wiring harness wasn't crimped properly. That can increase electrical resistance that can shift the transmission into neutral.

The problem came to light in July when Fiat Chrysler recalled more than 323,000 U.S. vehicles to fix the problem. The Fiat Chrysler recall covered certain Chrysler 200 midsize sedans, Ram ProMaster City small vans, Jeep Renegade and Cherokee SUVs from the 2015 model year. Some 2014 Cherokees are covered.
ZF says a software update will fix the problem.
The company is working with safety regulators and has identified models that may be affected. But those weren't available on Friday, a ZF spokesman said. ZF is not aware of any injuries caused by the problem, the company said in a statement.


[very curious how software can fix a bad crimp]
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post #2 of 129 (permalink) Old 08-07-2016, 03:30 PM
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My guess its the TRS. [Transmission Range Sensor]. They call it a Sensor Cluster sometimes. #20

Last edited by Desoto; 11-11-2016 at 07:08 PM.
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post #3 of 129 (permalink) Old 08-07-2016, 06:13 PM
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I was just going to quote your post and point out the fact that they stated a software update would fix a bad crimp....and then I saw your note. My thought exactly, why not fix the crimp as opposed to fool the software into thinking extra resistance is OK?

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post #4 of 129 (permalink) Old 08-07-2016, 07:25 PM
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I think they are doing both. The software update is tonprevent it from selecting neutral whilst on the highway

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post #5 of 129 (permalink) Old 08-07-2016, 09:34 PM
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Anything is possible. If they decided that the data sent to the TCM, was configured improperly from this component, they could possibly loosen up the point of limp or no engagement. I do know that they were in a rush to receive the 2 that I have replaced. This one will be interesting to watch for sure.
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post #6 of 129 (permalink) Old 08-08-2016, 04:21 AM
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O M G , seriously ?

It seems every second week , a new recall . This is getting silly !

Each week I keep getting strange glitches , sensor says tire pressure wrong, then Resets , never a problem since , yesterday I start it says lane sense needs a service , for 2 seconds then all fine , I think the software code is like my old commode 64 computer , works , buts has various glitches that u can't repeat . It's a strange beast , actually it reminds me of an older proline 2 king air aircraft I have spent many an hour in , works well , but complex software and hardware prone to glitches .

Even when I updated the software. The volume controls wouldn't work , the sat nav said it needed calibrating , after two software resets it all started working ..... Sometimes I like simple cars , u turn them on and they go .... That's t , no software to worry about !
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post #7 of 129 (permalink) Old 08-08-2016, 04:32 AM
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Quote:
Originally Posted by Normandy View Post
O M G , seriously ?

It seems every second week , a new recall . This is getting silly !

Each week I keep getting strange glitches , sensor says tire pressure wrong, then Resets , never a problem since , yesterday I start it says lane sense needs a service , for 2 seconds then all fine , I think the software code is like my old commode 64 computer , works , buts has various glitches that u can't repeat . It's a strange beast , actually it reminds me of an older proline 2 king air aircraft I have spent many an hour in , works well , but complex software and hardware prone to glitches .

Even when I updated the software. The volume controls wouldn't work , the sat nav said it needed calibrating , after two software resets it all started working ..... Sometimes I like simple cars , u turn them on and they go .... That's t , no software to worry about !
Every second week? Seriously? What vehicle do you drive?

For my 2015 Limited (two years ownership in Nov), there have been two recalls - R05 and R27. Neither of which I experienced any symptoms but were taken care of at usual service time.

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post #8 of 129 (permalink) Old 08-08-2016, 05:03 AM
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I agree with @Normandy, 3 recalls called for mine so far with this seems like another. Mine also does weird things now and then. Driving home one day and service something on the screen and no cruise or lane sense etc.

So yeah, they are a little too high tech for a car company and the related machanics to look after I reckon!

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post #9 of 129 (permalink) Old 08-08-2016, 05:11 AM
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Quote:
Originally Posted by SJetc View Post
Every second week? Seriously? What vehicle do you drive?

(2015 TH)


For my 2015 Limited (two years ownership in Nov), there have been two recalls - R05 and R27. Neither of which I experienced any symptoms but were taken care of at usual service time.

Perspective - It's a good thing.
Ok once a month... but still it shoudlnt be anything imho.... it seems there is so much software etc, that its on the edge, maybee its me

Honestly though... I think its indicitive of cars today, I have a 2 year old elantra, and thats had 2 software updates to its ECM, as it has issues with certain fuels on cold mornings, which causing viscosity sensors to go a bit mad, and pump too much fuel in on a cold start.

I guess we had glicthes with our old cars, which we lived with, and shrugged our shoulders, and got on with it. With software its so much more obvious. and with any sensors they can glitch (just like the King Air aircraft).

as for recalls, well it seems everyone is so scared of some lawsuit, there is recall on some brand of car each week, even Tesla recalled 300,00 cars due to one person having one issue with the seatbelts...

The main issue is the JEEP is so high tech, its a big leap for the service centers and the company to deal with. The code for the gearbox and the uconnect is so complex and runs so many things in the car that if its code has a bug or it has a hardware issue then it falls in a heap (look at the issues with my dads limited , fixed by a new system) this is all great while we have warranty, what happens when that runs out, and Jeep stop updating software?? Gladly I have a six year warranty...

Unlike the aircraft I work on they keep updating things for that, and it has backup systems to prevent issues if one system goes down. The Jeep is all at singe point of failure (like every other car out there), then again the Jeep doesnt cost 30 million dollars and kill you if one system goes up the creek and there is no backup.

Victorian Highlands Australia

Last edited by Normandy; 08-08-2016 at 05:18 AM.
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post #10 of 129 (permalink) Old 08-08-2016, 05:37 AM
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Once a month? Now you're taking the piss.

Of those recalls (2?) - What's the 3rd? - Did you experience any symptoms?

Would you prefer that FCA (after analysing the warranty work, which is how they found the ZF issue), just buried it? Is that what you want? 'No recalls so all good' type attitude. That's not what I want in a vehicle manufacturer.

I know you want no recalls - that is your preferred option. Well that would be fine if the global population didn't demand (and it's only happened in the last 10-15 years) a yearly update of a vehicle. Why do we need a '13, 14, 15, 16, 17 etc model years?

How about one every 2-3 years that has been thoroughly tested. That wouldn't fly though. Everyone would bitch about old tech.

For the record, here's the recalls on my vehicle. What's the 3rd?
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