Activity Stream

Are you saying you have a converter for XDF files? If so, I'm interested!

There isn't a lot of information on CAX files, and even less on CAX8 files. Probably for good reason; it's a way to weed out the ones that shouldn't...

What’s the ecn number on the ecm? It’ll be CM900xx.xx

I agree that CAX/CAX8 files are way to hard to figure out. In fact, any more I modify files in binary format using Tunerpro, then load them into...

That's supposed to say SPS. I believe you can sign up for an account, then you can access the VIN Information and SPS tabs. Type in the VIN and it...

What is GM SDS? Google search does not show anything. Did you mean AC Delco TDS? If so, how do I do about using this?

So it was the firmware version on my FSV2. Since I don't want to update my FS, I updated the ACV2 that's linked to my FS and was able to flash the...

Confirmed it is the 4a version, was attempting to flash using passthrough, not BBF. trace file submitted, Ref #QGIH-2982-HQVI

It should work. Can you log a support ticket and include the trace file that should have been saved automatically. If you are using black box...

I just downloaded and installed 8.4.61 listed here an hour or so ago and got the same thing... Am I missing something?

The beta was updated about a day after it was first posted to fix that error. You may need to download it again and re-install it. Regards Paul

You can change the VIN using the VIN change option: You can change the OS with another compatible OS if you perform a full-flash. Compatible...

Getting a '$0503: Script file not valid' trying to flash a bone stock GDS imported BIN file to a T87A TCM - should this work?

You can use a multimeter to test the voltage output of the TPS sensor. It should increase smoothly as you move the throttle from closed to wide open....

To download DSP5 tunes to your ECM, you'll need to use a compatible tuning device or software. Connect the device to your vehicle's OBD-II port,...

B3647 is only in the COS's. Start a new thread and post your tune.

Where?

This one is close Engine operation 12711730

Update posted here: https://forum.efilive.com/showthread.php?31604-Sep-08-2024-V8-4-61-Beta-Release-Update-4

I'm using OS 12212156 (non-COS) and trying to turn off all fuel trims at idle. Clearly something is going on because (with a cold start) the engine...

the 2022-2024 ecus have finally been fiured out they are tunable