Join Date: Mar 2009
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Don't know if its the same or not but I had the same thing happen with a friends truck after loading a off-road tune from a SCT 9621 tuner. Security light flashed rapidly and starter would not engage. Codes B2900, U2011, U0115, U0100, and U2500 came up. Could not go back to stock - no communication with the tuner. Problem was the firmware for this manual tranny truck is different than with an auto and the ecm was locked up even though I didn't select "install firmware" at installation. I e-mailed the stock file to SCT and they wrote a recover program as well as sending me the correct firmware file. Truck was down two working days. Everything OK now. Hope this helps.
2008 F450 4X4, 6.4 PS, Edge CTS, SCT 9625OR with RCD 450 V12 tune, S&B airbox, Flowpro 5" exhaust, down pipe, egr block, Banks intercooler, RCD charge air pipe, Titan 60 gal tank, Air Dog fuel system.