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Looks like I will be learning by trial.

Found this video and apparently he has more. This looks much more useful ...

https://www.youtube.com/watch?v=Z22IDHn5C1I

Referring to this video ... https://www.youtube.com/watch?v=DY1d144_jSc

My 2018 L83 5.3L engine tune is stock except for me disabling DOD. The video modifies several parameters. Example:...

Changed the 5th, 6th gear TCC rpm, disabled TCC in 4th, and looking much better, thanks everyone.

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Thank you, that was from the BlueCat tune. I will make that change to 5th/6th TCC and expect it will be good. I will then do another scan. It's getting close to a working tune then, that's great.

Thanks!

1. Scan log where 1mph cruise increments occurs and TCC slips.
2. Scan log where 5th does not lock TCC.

Finally got to take another scan with the requested parameters. No fault codes except for a dead TPMS sensor. DOD has been disabled. This drive, the transmission was not engaging TCC in anything but...

Thanks Robert, i will make another scan with more PID's.

Hmmm, this is a headscratcher for me. Started the truck today, check engine light is off so the P0011 went away. Nice. By the way, the...

I already took this new scan just now before seeing your post. If it is not enough, I will do another scan later today. Thanks! Of note - this time I see TCC slip is commanded to 0, not 4.5, so that...

I will take another scan tomorrow with all transmission parameters, not just the TCC ones. Thanks.

2018 Silverado 5.3L, rebuilt 6L80 with new Precision HD (billet case) torque converter. I have watched lots of youtube videos and reading and went with this approach - no TCC in 1 through 3, 0 slip...

That's what I thought, and will avoid that issue next time. Original post upated with tune and log file.

Thanks.

2018 Silverado 5.3L 6L80. Transmission is rebuilt, and new Precision of New Hampton HD (billet) converter. Pretty much a newbie with HP Tuners. Used HP Tuners to disable TCC in gears 1-3, set 0 slip...