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  • Honda 10AT (10 speed) - Solenoid replaced**

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  • ZF 9HP (9 speed) - Solenoid replaced**

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  • ZF 9HP (9 speed) - Torque converter replaced**

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Has Honda figured out what's causing these failures or just tossing in new transmissions and keeping fingers crossed?
With the nature of the process behind these replacements, and how the transmissions are headed back to Honda for diagnosis, I would imagine that they are collecting as much information as possible before they make a claim/statement. Mind you, the 10spd will trickle down to many models and they need to ensure issues and failure points are addressed.
 
With the nature of the process behind these replacements, and how the transmissions are headed back to Honda for diagnosis, I would imagine that they are collecting as much information as possible before they make a claim/statement. Mind you, the 10spd will trickle down to many models and they need to ensure issues and failure points are addressed.
Makes sense sir.

Are there any 10-speed owners out there that have neared or even surpassed the 100K mark without a hiccup yet?
 
Makes sense sir.

Are there any 10-speed owners out there that have neared or even surpassed the 100K mark without a hiccup yet?
My 10spd is at 73K and counting with no issues to report. I personally dont know any other 10spd out there with more than 100K. I would imagine other members who are your post and have more than 100K on their 10spd would be inclined to respond.

The Odyssey was the first to get the 10spd and I believe the Accord and RDX followed right behind. Any one of these models could have a good number of mileage accumulated on them and looking at their respective online communities may provide some insight.
 
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Discussion starter · #85 ·
My 10spd is at 73K
That’s impressive. I’m at 20k

I was curious about high mileage vehicles too. I’ve seen some 18’ and 19’ models with 9 speed well over 100k-150k miles on the clock.

I assume Honda take the 10AT to learn what happens. At least they better
 
Has Honda figured out what's causing these failures or just tossing in new transmissions and keeping fingers crossed?
I do not believe they replace them with new transmissions, they are having transmissions rebuilt. So they are simply rebuilt transmissions being installed, when Honda National agrees they need to be replaced.
 
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Hoping this will be done properly with genuine parts? And where is it getting done, the same factory in GA?
The way I understand is they take the transmission (I don't know if they take the ODY in as well, to take out the transmission to rebuild or not) to a Certified Transmission repair shop. They are at almost every State but not necessarily every major city. They rebuild transmission of all types, also have ASE mechanics for Auto repair.
 
Correct mine got a remanufactured one at 69k miles. A new replacement was not an option.
Thanks for the reply, back about a year ago, when I took my ODY in for the sliding doors, I had asked to what looked to be a senior Honda mechanic, I asked what they were doing to replace the 9 or 10 speed transmissions, and he said they did not handle them, they verify what the customer says than look at the TCU diagnostics and in agreement with Honda National they send the vehicles off to Certified Transmissions to troubleshoot than remove, than repair let's say the solenoid bundle or replace with a whole rebuilt one. I think he said it was Honda National that had a contract with them. I do not ever think we will see this on a Honda Invoice if we had the work done outside the Honda dealer for service.

Besides that I believe Honda factory that builds the 10 speed transmission are like everything else in the Corporate world, build for only what is going out to new vehicles on time as parts come in. I do not agree with this line of thinking either. Cheaper to not make as many and not to carry a surplus of parts to have in a warehouse costing money for the space it is taking up. Cheap, cheap or and did I say CHEAP?
 
Makes sense sir.

Are there any 10-speed owners out there that have neared or even surpassed the 100K mark without a hiccup yet?
One way to find out is to search used car listings for 10-speed Odysseys, find the VIN, add it to owners.honda.com, then view the service history to see if the transmission was replaced by a Honda dealer.

@zroger73 , can you confirm the actual process please?
When a transmission fails under warranty, it is replaced with a remanufactured unit. If there are no remanufactured units available, it will be replaced with a new transmission. The failed transmissions are rebuilt in-house at a Honda facility.

Dealers are not allowed to open transmissions or sublet out repairs while under warranty.
 
Brought the Ody in for a diagnosis on a whining noise when shifting into the park. Did a transmission fluid flush (30k miles) on our 9-speed while it was there and it did not fix the whine, but the gear shifts have been noticeably smoother. The dealership doesn't know where the whine is coming from, but it's not related to the door locks (as shown at the end of the video). Almost sounds like the e-brake is being turned on, but only for the rear passenger wheel. Doing brakes very soon so I'll see if it has anything to do with the e-brake while I'm in there; hoping it's braking system-related and not the transmission.

EDIT: The whining in the video is NOT from the transmission - it's been isolated to one of the door locking mechanisms. Highly recommend doing the transmission flush at 30k if you're doing heavy city driving and experience rough shifting - seamless shifting in our Ody now.
 
Discussion starter · #94 · (Edited)
it's not related to the door locks
This is the first thing that came to mind. Hoping not the transmission. Keep us in the loop, I’m curious as I have the same van as you.
 
2019 EX-L, 47k miles with the ZF9 in the shop at the moment for transmission replacement. Initially van was driving well and no real issues cropped up outside of the characteristic delay in downshifts which we could definitely live with. Things did however eventually deteriorate and here's a quick summary of my journey:

@28K, had a harsh up-shift issue around 25mph (i think it was the 2-3 shift).
@30K, transmission fluid exchange & TCM software update via my Honda dealer.
@46.5K, brought vehicle in due to a "rotation" related noise, sort of flat tire or puncture-esque but everyting i could see up to the differential with my own eyes was fine. Was told there is tire noise only and needed to replace tires but this noise did not seem tire related (tires do need replacement, they're the OEM ones but have 20% life left). It would occur only at decel, specifically between 35mph-5mph, would go away if i applied the brakes and was only present once the transmission was up to temp.
@47K, brought back to dealer and pleaded my case again, was given major attitude by the Service Advisor who wanted to see the tires replaced and would refuse to re-diagnose. I persisted and gave more details as the sound had now started sounding like a grinding gear sort of noise. Got a call that they acknowledge it's transmission related and will replace the ZF9 speed under power train warranty.

Seems like i was one of the "lucky" ones to experience a failure during warranty and able to get a replacement. We'll see what the re-manufactured ZF9 they install will be like but at this point I have very little confidence in this brand although I love everything else about my Ody. Hope this helps someone else out in some way.
 
Discussion starter · #96 ·
We'll see what the re-manufactured ZF9 they install will be like but at this point I have very little confidence in this brand although I love everything else about my Ody.
Man this sucks! Glad warranty is covering this for you. I do want to hear back to see if you experience any difference post replacement.

Appreciate the detailed journey and the time to record it here.
 
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Man this sucks! Glad warranty is covering this for you. I do want to hear back to see if you experience any difference post replacement.

Appreciate the detailed journey and the time to record it here.
Yep, absolutely. I'll post back once the repair is done and i had some time behind the wheel. Car has been with Honda dealer since 1/19 and there are no updates as they are still waiting on parts to complete the replacement. No loaners available but thankfully I also own a corolla that I can always count on...
 
2019 EX-L, 47k miles with the ZF9 in the shop at the moment for transmission replacement. Initially van was driving well and no real issues cropped up outside of the characteristic delay in downshifts which we could definitely live with. Things did however eventually deteriorate and here's a quick summary of my journey:

@28K, had a harsh up-shift issue around 25mph (i think it was the 2-3 shift).
@30K, transmission fluid exchange & TCM software update via my Honda dealer.
@46.5K, brought vehicle in due to a "rotation" related noise, sort of flat tire or puncture-esque but everyting i could see up to the differential with my own eyes was fine. Was told there is tire noise only and needed to replace tires but this noise did not seem tire related (tires do need replacement, they're the OEM ones but have 20% life left). It would occur only at decel, specifically between 35mph-5mph, would go away if i applied the brakes and was only present once the transmission was up to temp.
@47K, brought back to dealer and pleaded my case again, was given major attitude by the Service Advisor who wanted to see the tires replaced and would refuse to re-diagnose. I persisted and gave more details as the sound had now started sounding like a grinding gear sort of noise. Got a call that they acknowledge it's transmission related and will replace the ZF9 speed under power train warranty.

Seems like i was one of the "lucky" ones to experience a failure during warranty and able to get a replacement. We'll see what the re-manufactured ZF9 they install will be like but at this point I have very little confidence in this brand although I love everything else about my Ody. Hope this helps someone else out in some way.
Did they spec a re-manufactured ZF9 or will they replace with a new one? I wonder if they are rebuilding yours or swapping with one previously re-manufactured.
 
My 10spd is at 73K and counting with no issues to report. I personally dont know any other 10spd out there with more than 100K. I would imagine other members who are your post and have more than 100K on their 10spd would be inclined to respond.

The Odyssey was the first to get the 10spd and I believe the Accord and RDX followed right behind. Any one of these models could have a good number of mileage accumulated on them and looking at their respective online communities may provide some insight.
Wow, you have a logged a lot of windshield time! I guess you can be our high mileage test case.
 
Did they spec a re-manufactured ZF9 or will they replace with a new one? I wonder if they are rebuilding yours or swapping with one previously re-manufactured.
Well, everything wrapped up as of today 2/10. The service write up says they used a new transmission and after a quick look under the hood it seems like the date on the ZF plate is Oct '21 so that jives. The van is driving well now and transmission operation seems to be smooth with no immediate red flags after about 30miles. Part of the work included an alignment as well.

Interestingly enough, my loaner was a 22 pilot touring with a ZF9 as well and that one seemed to have much better logic as it felt smoother and quicker on the shifts up and down the range. Hopefully the new one in the Ody follows suit.
 
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