9spd or 10spd?

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9 speed

 

Lots of discussion about the 9 speed in other threads. Honda has eliminated it for 2020. Here’s an extract from Consumer Reports way back when they first road tested the 2018


The 280-horsepower V6 engine belts out healthy performance and has more than ample reserve power for merging in traffic or climbing hills. It remains well mannered even at high revs. Fuel economy has improved, with the Odyssey now achieving 22 mpg overall. Most Odysseys, including our EX-L, come with an unobtrusive nine-speed automatic transmission, which won't win any prizes for smoothness or responsiveness. Top-trim Odysseys come with a more pleasant and refined 10-speed automatic.

 

Check to make sure your transmission fluid is within the proper limits. Also check to see if your van qualifies for TSB 16-087 - Transmission End Cover Leaks (9-Speed A/T).

Hopefully you did not do the 'transmission flush' as you indicated, it is probably a single fluid exchange. What may help is a 3x DNF, give it a shot and see if that helps.

The only other way to combat this with the dealership/Honda, if the problem exists, is to get the Freeze frame Data through an OBD scanner.

 

Check to make sure your transmission fluid is within the proper limits. Also check to see if your van qualifies for TSB 16-087 - Transmission End Cover Leaks (9-Speed A/T).

Hopefully you did not do the 'transmission flush' as you indicated, it is probably a single fluid exchange. What may help is a 3x DNF, give it a shot and see if that helps.

The only other way to combat this with the dealership/Honda, if the problem exists, is to get the Freeze frame Data through an OBD scanner.

Well I did get the flush at 30,000. They recommended that so I did it. Now the foreman and mechanic all claim this is normal for this transmission. If so I am one pissed off owner.

 

I'm not much of a car person... but I can say this is happening EXACTLY to my 2018 EXL-Nav. It will jerk so hard sometimes. The first time I thought I was hitting the brake even!
I worry taking this into the dealer - I have about 28,000 miles on mine. But being a woman, I worry they won't take me seriously when I bring up this concern with service.
My brother (who isn't familiar with Honda's) suggested I just trade it in. And my dealer keeps sending me emails and letters in the mail to trade it in for a 2019.

 

If the Maintenance does not require it (as published by Honda) you can disregard any 'recommendations' that the service adviser gives you. It is equivalent to getting robbed.


Do you come to a stop, with the brake pedal depressed, engage the parking brake, and then place it in park. Does that do the jerking you describe still?

Those mailings are just a marketing ploy. You will be losing $$$$ with this 'deal'.

 

We have a 2017, but our 2008 Honda did the same. We did a drain/fill of the ATF, but still did it. Honda ended up replacing the torque converter and the problem went away. The problem started around 35k and the TC was replaced right at 59k. Van ran smooth for another 80k before we traded it in on our 2017.

You might also try the VCM Muzzler II sold by user Verbatim. It will help smooth out the engine by cutting out the annoying VCM. The improvement is very noticeable for many in the 25-45 mph range. Our 2017 had a noticeable kick-in/kickout when it went into deactivation. Even if it doesn't solve your problem, every Honda with VCM needs a muzzler, IMO.

 

the fluid itself is proprietary, gonna cost an arm leg, 3 kids and your 401k

 

I was in for an oil change and transmission flush on my 10 speed yesterday. When I went to pick it up an embarrassed service advisor told me they were out of the proper fluid for the 10 speed. The good side is they didn’t charge me for the oil change nor will they charge me for the transmission fluid change when they get it lol

 

Okay, thanks Smufguy.

 

Any major issue with the 10 speed I need to aware of? Looking to buy a 2019 Touring.

 

25,000 miles and counting on my 13month Elite. No problems on the transmission to report.

 

42,000 2018 Touring good to go!

 

The 9 speed goes up to 3000 rpms for the first three gears and 2200 for the rest. That is why your car sounds like you are at drag strip. Not sure we can do anything about, bad equipment

 

my transmission does jerking at 24/25/26 mph slow driving condition. i reported to dealer. they said they dont experience any abnormal. this is how honda is. I will never buy any odyssey in my life. they not fixing it its shame.

 

We have the same jerking issues around 25mph on our 2018 EXL, pretty frustrating. It started around 15K miles, now we have 24K miles

 

The jerking issue in the current generation Honda Ridgeline was attributed to the torque converter. They were the 2017 early production units with some 2018 units affected.
Unfortunately the TSB for it cannot be applied to the 9spd in the Odyssey. Have you attempted to drain and fill the ATF? even at 24K, you should be under powertrain warranty.

 

has anyone tried a trans additive, like a trans fix or conditioner?

 

unlike traditional old school transmissions, the Honda auto trans have been very finiky with any additives or friction modifiers. Though people have used off brand stuff in the 5spds before, I would not risk any additives like Lucas or STP or any off brand such as Castrol, Mobil, etc with these ZF and H10-spd transmissions. No matter how long the car has to sit at the dealership to get it addressed

 

I haven't seen anyone get resolution, so thought I'd chime in. I've had the exact same problem as OP with our '18 - 9spd (EX-L). Approaching 24 mph, the previously smooth upshift became abrupt with an audible slamming into the next gear when driving under partial acceleration. All was well when accelerating aggressively. This started happening at approx. 35K miles. Took it to the dealer, who completed a "re-learn" procedure on the transmission control module. They also suggested a transmission drain/refill which I declined because it was obscenely overpriced (in my opinion). Anyway, the transmission gremlins completely disappeared after the re-learn procedure and the van shifted perfectly...for about 15K miles. Now, the slam shift is back at 24 mph, as it seems the transmission has "learned" that this is the appropriate way to change gears. MM is calling for fluid replacement now, at 50K, so I'll have them re-learn the transmission again while it's there. I'm afraid this will be a recurring issue until I unload it for something without a 9-spd ZF transmission.

 

The previous Messages were from sept 2019.

Honda issued a service bulletin “January 9, 2020
Service Bulletin 19-124
Version 2
9-Speed A/T Hard Upshift with Steady Acceleration or MIL On with DTC P0716 “

Take your van to the dealer. This should be covered under 60k powertrain warranty.


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The previous Messages were from sept 2019.

Honda issued a service bulletin “January 9, 2020
Service Bulletin 19-124
Version 2
9-Speed A/T Hard Upshift with Steady Acceleration or MIL On with DTC P0716 “

Take your van to the dealer. This should be covered under 60k powertrain warranty.


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so now they have a fix for this problem? It will help me decide on Ody vs Sienna. Please advise, thank you

 

Sienna looks like CVT trans. Not a fan of that.

 

FYI They are delivering our 2020 Odyssey tomorrow. I hope there is a solution to the 2018-2019 model trans problem. Thank you all for your insite and shared knowledge in leading me to the decission.

 

I have been experiencing the exact issue as you. I have a 2018 Odyssey EXL 9 speed transmission 31000 miles and between 25-30 miles per hour it jolts like it’s not shifting gears properly. I brought it to the dealer today fully expecting the same answer you received. Well surprise, I didn’t and they found an issue with the TCM control unit. This is what they wrote on the invoice “
Caused by
TCM update/running change. Corrected by 1255D0:
updated the TCM control unit”.
I picked up the vehicle and it seems to be driving smoothly now. I’ll update this if the problem reoccurs.

 

If it's still under warranty do not accept that. I too have a 2018 Honda Odyssey and I had the same problem and after a lot more miles it started where it wouldn't go into reverse. I had to shut it off and turn it back on as if I was resetting the brain. I it at the dealer 3 times and each time they said it was not doing it and it would have to do it in order for them to find out what it is. Will the 4th time was a charm lol. They finally did a diagnostic test and the code read that the transmission had to be replaced. Luckily I bought an extended warranty that replaced with a new transmission otherwise I would have been out $9500.

 

I have a 2018 Elite. Mine is 10 speed but had the same issue. Has been at the dealer 3x and each time they said it wasn't doing it with them. Then it started not going into reverse. I had to shut my it off and back on as if I was resetting the brain. But again because it didn't do it to them they wouldn't do anything about it, until this last time. They finally did a diagnostic test and discovered it had to have the transmission replaced. Just glad I bought the extended warranty as I bought this used.