ECU TSB Update

Thank you Buddy, I will look further in to this bootcamp. I just purchased a ATEQ VT31 because I run summer/winter tire setups and for some reason the id's from my summer tires didn't stay with the truck. (both summer/winter tire TPMS"s are aftermarket)

 

You're welcome!

@Shellshock is the Bootcamp guru, but I think it is part of the Mac OS?


I have seen posts about a/m sensors not working at times. Not sure if it is a specific type or just some FW that the Taco ECU doesn't like.

 

Yup. Works just fine. Does require an intel Mac

https://support.apple.com/boot-camp

 

Sweet! thanks for the help. If I run into anything in my journey,
I'll be sure to holler for you

 

For what it's worth, I would recommend NOT doing the Learned Value Resets. I did that when going through the process of flashing KDMax Pro. First 50 miles totally sucked, and it took a good 1000 to 2000 miles for it to finally feel dialed in. Afterward I found out the KDMax guys don't do LVR anymore, basically for that reason. I'm a newb at this stuff, so take my advice with a grain of salt, but just letting you know what I experienced.

 

Sorry, but I will have to heartily disagree there. LV Resets have proven crucial in my experience for both getting a tune to adapt and to have a consistent feel when developing / testing tunes. That said, the weirdest that the Resets have ever felt has been for less than 3mi. The folks that I flash note similar weirdness. Nothing as extreme as you noted.

Beyond that, the first first vF Tune that I tried didn't adapt well at all (1.05 SFOB). I drove around on Base for a while, then thought that I'd try the Resets. It made it a completely different tune. From there, the Resets became part of the process.


In the end, I will continue to recommend doing the Resets, but doing what is noted is always optional. That is why the and list exists in the 1st Post.

 

I do it almost every time. I've seen high transmission temps after a flash that were resolved from doing a reset. If it weren't being monitored, who knows what would have happened?

But I also do it to not cause anything weird to happen. Let's say there's a table with values ranging from 0 to 10, and a learned value that interacts with that map and adds up to an additional 3. If the learned value was previously a 3 and the table had a set value of 4, that keeps you within the allowable range (4 + 3 < 10).
Now let's say you flash a new tune which has a value of 9 in that table. You keep that learned value of 3 by not resetting and now you're outside of the 0 to 10 range (9 + 3 !< 10).

This is theoretical of course, as I have not read the ECU code to confirm how it functions, but it makes sense when things aren't working as intended.

 

I suspected it wouldn't be as simple as I thought lol

 

There is nothing simple about the 3rd Gen ECU. vF Tuner posted a flow chart for one small part of the tune once. We all: .

 

Point well taken. After reading yours and Karl's responses, I'm glad I went through the trouble of relearning if for anything to avoid any potential issues. Appreciate the insight.

 

You're welcome!

It is unlikely that there would be an issue without the Resets, but I think they are needed to get the full benefit of a tune.

 

^ 100%

LV resets make a huge difference and NOT doing them is a mistake. yeah.. sometimes the learning sucks sometimes.. but its worth it. doing a 10 minute idle definitely helps. then usually within 100 miles its fairly well sorted and fully settled by 500 or so.

 

Anyone have a laptop they don’t need that has a working techstream installed? Mine crashed and when I bought a new one no matter what I try no version of techstream will work on any new computer. I get it installed and registered but won’t install an ecu update. I can change any settting on a vehicle just cannot flash an ecu anymore at all

 

I have my old laptop that I used for TIS and VF before eventually upgrading, but it's honestly kinda shitty and a bit overtaxed, I wouldn't wish it upon you.

At the time that I upgraded, it was able to successfully update ecu versions with TS but just couldn't seem to handle VF anymore lol

That said, I had no issues getting a new laptop and installing one of the latest TS versions using MHHAuto's forum

 

I’ve tried the newest from there but can’t flash tsb updates. I’ve removed, reinstalled, and now bought a 3rd computer brand new for trial and no dice.

 

The version I'm on isn't the absolute newest, it's one or two behind, works fine for me. I'd have to see which one it is

 

What is Techstream saying/doing?

 

Does nothing but pops a screen up saying low voltage b+ check all sorts of stuff. Even with power supply hooked up.

 

And you're sure that the issue isn't a blown OBD fuse? @G8R_Taco ran into that issue once. Would hate to suggest getting a new laptop over something simple. I don't know if it's necessary to have a good fuse in order to do customization settings though.