VF Tuner ECU/TCU Tuning for the GX550 (2 Viewers)

[BoostedGX]

What circumstance would someone want the 91 tune over the 91 TCU tune ?

 

[munkeeboi]

if they wanted to keep the stock Transmission programming.

The original TCU tune was more for shift points and towing. It was not meant to address the clunky shifting that Lexus is trying to fix. I'm assuming that once VF Tuner has a hold of the new flash, they will see what Lexus did and possibly add their own twist to it.

That is why I am patiently waiting for someone to send an updated Read file to them. I don't have time to drop of my GX at the dealer for their shenanigans

 

[VF Tuner]

Good Evening everyone.

We are working on a new updated tune for everybody. We have the "TSB" reflash along with the newer version (there is a version newer than that shipping on some vehicles).

It looks like Lexus has introduced new load limiters onto these new calibration versions that limit power. We are working on that now.
Thank you

 

[tsnubbs]

Good Evening everyone.

We are working on a new updated tune for everybody. We have the "TSB" reflash along with the newer version (there is a version newer than that shipping on some vehicles).

It looks like Lexus has introduced new load limiters onto these new calibration versions that limit power. We are working on that now.
Thank you

Thanks for your hard work. Really excited to get the new tune, I was waiting since I didn't want to go through the flash process again.

 

[BoostedGX]

Good Evening everyone.

We are working on a new updated tune for everybody. We have the "TSB" reflash along with the newer version (there is a version newer than that shipping on some vehicles).

It looks like Lexus has introduced new load limiters onto these new calibration versions that limit power. We are working on that now.
Thank you

What exactly does a load limiter mean in regards to power ?

 

[munkeeboi]

awesome news. Can't wait for the updated tunes. How's the timeline for being able to use VF Tuner from Iphones?

 

[MallCrawlerGX]

I ordered the GX550 Vf tuner kit but it didn’t come with the CAN CONNECT cable. Is that not included?

 

[vraa]

Good Evening everyone.

We are working on a new updated tune for everybody. We have the "TSB" reflash along with the newer version (there is a version newer than that shipping on some vehicles).

It looks like Lexus has introduced new load limiters onto these new calibration versions that limit power. We are working on that now.
Thank you

Would that be causing the check engine lights on full throttle?