Jan 9, 2024 · ANY P59 OS can be Flex Fuel. My L31 based 383 has a non flex fuel calibration running with factory flex fuel. The only P01 and P59 vehicles I tune with HPTuners were ones I …

Jan 11, 2019 · On a P59 it will be Engine>Airflow>Dynamic>High RPM Disable, GM predominately uses 4000 rpm but there are a few platforms that use 3600 or 3200. Those are …

Feb 11, 2019 · Here is a major thing though, the 2006 computer must have the IAC drivers on the circuit board otherwise it will not control the IAC/TPS properly. The P59's in the vans are drive …

Nov 30, 2023 · The '411' PCMs youre reffering to are actually broken into 2 groups, P01 and P59. P01 (red and blue) is the earliest LS PCM that was used roughly until DBW was introduced. …

Jun 19, 2019 · lots to cover so ill try to keep this to the point, vehicle is a 05 Colorado with 4.8l, 4l80e, 2006 express van ecu and harness with 3 bar os. i purchased a 2006 TAC module and …

Jul 1, 2023 · P59 12613412 58psi referenced - refined.hpt. 06-02-2023 #5. blindsquirrel. View Profile View Forum Posts

Jan 3, 2022 · HPT (and efi live) are missing the spark blend table in the calibration. Need a tune file that already has 'sane' values programmed in, or use user defined parameters to define …

Jan 9, 2025 · For the P59 i thought there was a way to do something similar with Ethanol input. But i think im mistaken and was thinking of the E38 where you can use C1 Pin 5 and it will …

Apr 25, 2024 · Those P59 PCMs can be had around here at salvage yards for $20. If you already had a tune file for that PCM just pick up a used one and write entire the unlocked file you have …

Apr 27, 2023 · edit: Files you're looking at are different not because one is P01 & other is P59, they're different because one has a vacuum-referenced regulator and one is 'returnless' (really …