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Just for grins, I thought I'd try a reflash on the Allison Tranny.

I also get a message that now says my TCM may have calibration issues. Everything was fine with ECM and TCM before the...

OK, now we've got some really goofy stuff going on.

When using the ScanTool, apparently it connects OK to the truck, but here's what's happening:

1) When trying to log, I get an Error $31...

Was tweaking some pulsewidth on a tune on went to reload it. During the download, EFI gave me a message that the ECM had bad or missing calibration, but I could still load the tune. Everything...

Thanks Paul, worked great once I remembered to stay out of dead poll mode to do the bootblock update.:doh2:

OK, so far everything went smoothly during the install, EXCEPT the Bootblock install to v2.5.08 did not take. It still reads v2.5.04. Firmware upgrade went fine to v2.5.20. Problematic or no?

I...

Ooops, sorry Ross, I thought Cindy replied.

Anyhow, I checked my V2 under the "Licensing" section and it says I am running firmware ver. 2.04.70 and BootBlock ver. 2.04.10. I also have an F4...

Cindy, I don't recall. Probably because I don't remember how to do it. Got time for a quick tutorial? Thanks.

Does the DVT function work with the LBZ ECM on version 7.5.4.65. I am wanting to test some manual vane position control, and when I go to "Activate", I get a "No response, please try again" message....