I love my 2016 8 speed tranny with TSB 0209-17 (8 Viewers)

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If we all complain to brand relations, maybe we can move the needle on getting the programming revisited for the 8sp. It seems to be part of the adaptation in my experience. Goes away after everything is reset, then comes back. Wife’s key drives better than my key.

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Does this help with the 1-2 shifts? Rolling stops are irritating.
The TSB flash fixed that issue for me.
I installed the pedal Commander afterward.
 
I had the rough-shifting issue several years ago. Shared the TSB, and it was fixed under warranty (just a software update, I believe). Shifts smoothly now, and have never had an issue since.
 
I had the rough-shifting issue several years ago. Shared the TSB, and it was fixed under warranty (just a software update, I believe). Shifts smoothly now, and have never had an issue since.
What year and build date is your LC?
 
The TSB is for MY16 and MY17.
If you have a service manager that you are good with, they may be able to flash it for you.

Worth a shot.
It improved my LC driving and braking experience drastically.
 
The TSB is for MY16 and MY17.
If you have a service manager that you are good with, they may be able to flash it for you.

Worth a shot.
It improved my LC driving and braking experience drastically.
Yeah but it seems all years can have the harsh 1-2 shift. Someone else on here had a 2018 and had the flash done and it helped his shifting.
 
What year and build date is your LC?
Don't have the truck handy (at the dealer getting the AC flap issue fixed and getting a new water pump)... but it was '16. Earlyish build as I bought in December '16.

I noticed the rough shifts a couple of years in under hard acceleration. The update made it butter-smooth.
 
12/2015 build, the TSB completely smoothed everything out for me. I also tossed a pedal commander on it to fix the slushy gas pedal feeling.

I’m really quite happy with the 8 spd +TSB + PC
 
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I just purchased a 2016 with a rough shifting issue when the transmission is cold, my local dealership had the TSB printed when I got there for my appt and was happy to perform the upgrade, solved the issue. I can’t believe the previous 2 owners never got this addressed.
 
Anyone familiar with both this TSB and the OTT ECU/TCU tune?

My 2016 has the symptoms detailed here to be remedied by the TSB, however calling my local dealer they gave a lot of runaround about diagnosing in advance and keeping the truck for a road test versus simply charging an hour's labor and doing it. If an OTT tune can solve the same shifting issues as well as give some small performance benefits at an incrementally higher cost, I may just go that route.
 
Anyone familiar with both this TSB and the OTT ECU/TCU tune?

My 2016 has the symptoms detailed here to be remedied by the TSB, however calling my local dealer they gave a lot of runaround about diagnosing in advance and keeping the truck for a road test versus simply charging an hour's labor and doing it. If an OTT tune can solve the same shifting issues as well as give some small performance benefits at an incrementally higher cost, I may just go that route.
Definitely just go with the OTT tune. It has even better shift logic than the TSB.

It also replaces the pedal commander.
 
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I went to my local Lexus dealership today to have this update installed and I'm not very happy about it.

I told the service advisor I just wanted the update installed and referenced the TSB. They were ready to do all of their diagnostic stuff but I told them not to worry about it. About an hour goes by and I get the estimate/ work order to install the update. $322.88 plus $48.43 in "Shop Fees". Total was $376.15. I'm kinda shocked. I have not messed with dealers in a long time and prefer to keep it that way, but that works out to $215 an hour. They claim it takes 1.5 hours to do the update. The TSB says the warranty time is 0.7 hours. I was totally expecting to pay for an hour of labor, not 1.5 hours and also wasn't expecting to be paying $215 an hour for a tech to have to use no parts and not even get his hands dirty.

So far on the drive home I feel no difference. When I accelerate hard the shift from 3rd to 4th is abrupt and I can even hear the serpentine belt on the engine slip a bit , which is no different than it was before. I guess I was expecting more of a difference. Its only been about 20 miles and a majority of that was interstate.

I did get to ask the tech what the calibration file number was and he said it ended in 500 instead of 200 ( the TSB says the calibration file should end in 200 but they have since come out with a newer version.)
 
Will the Toyota dealerships do this TSB update on the LX570, or only Lexus? I there anyway to see if this has already been done without going into the dealership?
 
Will the Toyota dealerships do this TSB update on the LX570, or only Lexus? I there anyway to see if this has already been done without going into the dealership?
You can enter you VIN in the Lexus site and create a profile. From there you can see the vehicle's history.
 

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