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

JoeMing · Aug 24, 2026

@VF Tuner Does new order come with the new connectors or should i wait to put in an order?

VF Tuner · Aug 24, 2026

JoeMing said:
@VF Tuner Does new order come with the new connectors or should i wait to put in an order?

new orders come with the CAN Connect, same as our previous version.

We managed to get more of those connectors.

No need to wait. They have arrived we are preparing previous orders now.

BoostedGX · Aug 25, 2026

do we have a consensus on the new tune with the new transmission logic ?

VF Tuner · Aug 26, 2026

monsieurvo said:
@VF Tuner can you please ship to me the latest ecu connector as the substitute for the CAN connector which didn't work for Aussie cars? Sent you an email.

Yes sir. Right now I am trying to source the ECU connector

xonn · Aug 26, 2026

BoostedGX said:
do we have a consensus on the new tune with the new transmission logic ?

It's better than before. Much better.

Jbfmcar · Aug 26, 2026

Two questions when is the iPhone setup to load it going to be ready for sale. And Second does this new way of tuning the vehicle still go undetected and Lexus won’t see it was tuned?

munkeeboi · Aug 26, 2026

xonn said:
It's better than before. Much better.

My mileage hasn't gotten noticeably better (lifted 3" and on 34's) but I can at least say there are zero issues with it on my end.

carlks · Aug 26, 2026

VF Tuner said:
new orders come with the CAN Connect, same as our previous version.

We managed to get more of those connectors.

No need to wait. They have arrived we are preparing previous orders now.

Hi,

I got my UPS tracking two weeks ago 8/13 but still hasn't shipped yet. Can we get an ETA please?

Thank you!

Mu3rte · Aug 27, 2026

xonn said:
It's better than before. Much better.

I agree, but I believe it's the Lexus update, not the upcoming VFTuner transmission update.

VF Tuner · Aug 27, 2026

carlks said:
Hi,

I got my UPS tracking two weeks ago 8/13 but still hasn't shipped yet. Can we get an ETA please?

Thank you!

pending kits tracking should be updating by saturday.

VF Tuner · Aug 27, 2026

Mu3rte said:
I agree, but I believe it's the Lexus update, not the upcoming VFTuner transmission update.

We recently posted new tunes that have revised TCM tuning + additional boost/torque and an update for high RPM limp modes with intakes.

BoostedGX · Aug 27, 2026

VF Tuner said:
We recently posted new tunes that have revised TCM tuning + additional boost/torque and an update for high RPM limp modes with intakes.

How do we get the most current file?

VF Tuner · Aug 27, 2026

BoostedGX said:
How do we get the most current file?

email us please.
It was released a few weeks back.

rocksallday · Aug 27, 2026

Jbfmcar said:
Two questions when is the iPhone setup to load it going to be ready for sale. And Second does this new way of tuning the vehicle still go undetected and Lexus won’t see it was tuned?

there's no such thing as undetectable, but it may definitely not be trivially detectable by an unsuspecting dealer. toyota/lexus can always download the current program and see it's not one of theirs if they had any reason to dig that deep into an engine. the dealer may (or may not) be limited to what can be trivially detected through the OBD port and my understanding is VF is not noticeable via that route (or so we think).

VF Tuner · Aug 28, 2026

Our android app is expected to release within the next 10 days.
Iphone to follow as soon as possible after. (sorry)

(phone only)
(laptop only)
(phone and laptop)

Anyone who currently has a wiflash, the app is free. Access to all tunes, free, etc.

Please note! for the GX550 flashing REQUIRES you connect USB from the wiflash to your phones USB, same with logging. The Can connects do not provide the device power

munkeeboi · Aug 28, 2026

For the iPhone (17), will it be a standard usb-c to micro usb?

VF Tuner · Aug 28, 2026

munkeeboi said:
For the iPhone (17), will it be a standard usb-c to micro usb?

yes, if you have a wiflash version with micro USB.

All our wiflashes now are USB C, so that one is one of the older revisions, but will work fine.

JoeMing · Aug 30, 2026

VF Tuner said:
new orders come with the CAN Connect, same as our previous version.

We managed to get more of those connectors.

No need to wait. They have arrived we are preparing previous orders now

VF Tuner said:
Our android app is expected to release within the next 10 days.
Iphone to follow as soon as possible after. (sorry)

(phone only)
(laptop only)
(phone and laptop)

Anyone who currently has a wiflash, the app is free. Access to all tunes, free, etc.

Please note! for the GX550 flashing REQUIRES you connect USB from the wiflash to your phones USB, same with logging. The Can connects do not provide the device power

Waiting for this as I don’t have a windows laptop to load the tune to my GX. Only Mac’s.

Ctprelude · Aug 31, 2026

VF Tuner said:
pending kits tracking should be updating by saturday.

@VF Tuner I'm still not seeing any update in tracking for my order that was made back in early May. Any chance you could make sure I'm in this batch? Order# 20037.

VF Tuner · Aug 31, 2026

Ctprelude said:
@VF Tuner I'm still not seeing any update in tracking for my order that was made back in early May. Any chance you could make sure I'm in this batch? Order# 20037.

I will double check this one.
We just dropped off 8 kits at UPS today as well.
So tons of kits are already on the way