ECU TSB Update

That is discouraging. What would the point of an update be if it simply reverts to its original calibration over time? I'm not doubting you but that makes no sense!

 

I am near empty and willing to try some 92 for grins, but with the nice weather, I should be riding all week.

 

Since you guys posted the CUW files for TSB-0058-18 and TSB-0062-18, could one of you post the CUWs for TSB-0125-18? For the fun of it, I am just curious if there is any change?

Thanks!

 

So just to update you guys... As of now they said the tech couldn’t recreate the issue, but... They did surprisingly agree that the clutch pedal creaking needed to addressed and ordered the parts unlike the previous dealership. Also, they order the blower fan motor for the recall.

Just to show you how silly corporate is... I downloaded the Toyota app about a month ago and saw that there was a recall for the blower motor. So I called them when I saw this. I asked them if I needed to bring it in and have it replaced. The lady I spoke to said unless it was causing an issue they didn’t need to replace it. Idiots.

Back to the update... The service dude was a really good guy and told me that when it comes back in they can give it another drive to see if they can feel this issues I spoke of. He said if they can’t then maybe we can do a ride along so I can show the tech what I am talking about. They are willing to help me, but they have to try and follow protocol which I can understand but I will definitely try again and do my best to recreate it.

 

Just for clarity, it is a Service Campaign (voluntary), not a Recall (gov mandated). But like you said, it should be replaced whether or not symptoms exist as it 'could' be a safety thing.

Ugh though! The stumble should be a no brainer. They should have asked you to show them as soon as they couldn't get it. Why waste any more time for 10min of update time. You should have no problem on the next visit.

 

I agree. I did drop it off so maybe that is why. Besides the toughness of 1-2 gear, if you apply steady gas it in 2nd it definitely bogs and then takes off like a rocket ship. I am pretty positive I can recreate it since it happens everyday. But yeah it’s just a hassle but I have to go back to get the other stuff either way so I will be at the dealership to hopefully get it figured out next time.

 

Second gear was the easiest for me to do it in also. Not a violent as 1st and more pronounced than 3rd. A quick but smooth movement from light pedal to about 3/4 will make it happen all day long.

 

I like the “bat outta hell” part after it bogs down. Lol! It’s just the bogging and non consistent power curve that sucks for sure.

 

Yeah. It will be much more consistent after the update. The surge will still be there, but much less noticeable.

 

Wow that is crazy that they are fighting like that, hope I don't have to go thru the same, hopefully they do it for you the next visit.

 

They were actually really nice about it, unlike the other dealership who acted like I was just bothering them. I will see what happens when I bring it back for the other fixes and we will take it from there. They definitely did me right with the clutch issue which the other dealership said was non-existent twice.

Just shows that some people actually try to help customers while others probably shove there computer's mouse up their ass for fun when no customers are around. LOL!

 

Yeah it’s crazy, considering the time it takes to drive the truck to see if they can “recreate the issue”, they could just update the damn thing and not have to hear about it again.

Last time I went, they said they couldn’t recreate the squeak/creaking clutch. As soon as I got in the truck to leave, the damn thing was creaking! WTF. I didn’t have time do deal with it then, so I just left.

This time, I rode with the service manager while he drove my truck. There was no question about the issue. They had to order the parts though, so I’ll have to go back when they come in.

They also ordered whatever parts the needed to change the AC blower.

 

I went back to the dealer again today with T-SB-0125-18 as it does show 6MT on there. While applying the update the tech realized previous TSBs which only show auto are also bringing the engine ECU to same calibration ID and show as related in Techstream. He finally realized the publication/error on previous TSBs as I was informing them all along. Any guys having tough luck out there should use this TSB approach.

I only drove it about 5 miles and noticed there's a lot of improvement in power delivery and throttle response. Previously, same power was there but I had to really keep the foot on the pedal & wait for it to bring it out. Now it is very instant and smoother. It is now time to go on a longer trip (~100mi) to do some more tests with this new ECU tune.

 

Had an appointment at Belleville Toyota in Ontario a few days ago, for the generic symptom of rough shifts from 1st to 2nd. When I came in, I was upfront about it and just told them I was looking to get the ECU reflashed. I showed them the canadian TCI-5133 for the surge at 50mph so that they could have a reference for a warranty claim. After they looked it over I got the common response that it didn't apply to my complaint and that it's only for automatics, but I showed them the line referencing the MT specific ECU numbers and repeated that I just want the update and asked them run the health check. Tech said no problem, ran the health check and voila.

To be honest, this is my first MT vehicle (I've driven a few others but they weren't mine) and I didn't have much to complain about with 04b10, but I was conscious of having to feather the clutch to get a smooth shift into 1st and 2nd. Driving off the lot after the update, I got a big smile on my face how easy the first few shifts were. That said, 04b13 does seem to have different characteristics to it and I feel like I'm still learning and adapting to them. ​

 

Yeah once the computer is done learning your smile will get bigger.

 

Really, there's "learning" on the MTs? I thought that was an AT deal.

 

In my limited experience, all modern tunes "settle in" to some extent. Depending on the type of ECU, some do take a set / learn the owner's driving style, which sucks. I haven't been able to tell if the Taco is that way, but I do know our old saab (long gone) and the wife's Forester are that way. So, you spend all this time commuting and nursing it around, then you find a fun road and the thing responds like a Buick.

The few times that I drive the Forester, I have to flog it for it to wake up.

The settling in is what I believe that I saw here:
https://www.tacomaworld.com/threads...rations-welcome.406844/page-452#post-18800131

The gradual curves that were when new and after the arrow for the TSB tune that took about 1,000mi to normalize and seem to agree with my guess?


The AT learning is different. It does actively look at the driving style and try to map the shift points to it. That is just another thing to hate about modern ATs.


There are stories about folks doing 'calibration runs' across the floating bridges here late at night. Basically, getting in some WOT for a few cycles. Kind of like bedding in a new set of brake pads.

 

FWIW all the Toyota marketing around "learning" is around their "intelligent" auto trans.

I haven't noticed a lick of difference in my 6MT since the day I drive it off the lot. You could be right though.

 

They absolutely do settle in, even on the M/T. Every version of OVtune and the OEM calibration will change over time.

 

It is a lot more subtle than the learning that gets talked about with the ATs.

In my perfect world, there would be a setting that would at least slant the learning to the mentality of the driver. I'd put it on the 4yr old setting (agressive or non-learning) as would a lot of the enthusiast crowd. The default, grandma setting could there for those that just don't care.