i am trying to be able to run a flex fuel sensor on a 0411 ecu not having any luck i have the 02 tahoe but my setup is a 02 sierra 6.0 with 4l80e. all i want to be able to do is turn on the flex fuel option but it is only available with the 5.3 4l60e. does anyone have an idea on how to do this if it is even possible. i just dont want to run two different programs but will if i have to. thanks guys
I believe there's only 1 OS compatible with the 411 PCM and flex fuel (12216125). Can't turn it on in the other operating systems because the code isn't there. You'd have to run with the OS that's compatible...but once you do, you would only need that 1 file in your PCM to do what you want.
2010 Camaro SS M6. Stock Bottom End, Heads/Cam/Intake/Headers/Exhaust.
2005 Silverado RCSB. Forged 370 LQ9/Borg-Forced Inductions T6 S484/Jake's Stage 4 4L80E with D3 Brake/4WD.
2023 Durango Hellcat
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