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P0125 and B2978 i'm thinking the B code has something to do with the alarm system since its related to the drivers door ajar current the P0125 having to do with the coolant being below the thermostats control range has me perplexed.... usually occurrs 5 or so after the truck has been running...

ok. I just put the latest 7.5.5 build 74 software on my desktop. i'm not brave enough to try for the 8.1 and bootblock upgrade etc just yet so i'm stickin with the 7.5 for now. my question is... is the firmware version still V2_4_72 like it is for version 7.5.4 build 65 ? this is currently on...

went to englishtown last night and managed these 3 runs RT .164 60 1.896 330 5.374 1/8 8.350 @ 82.06 1000 10.945 1/4 13.14 @ 102.40 RT .211 60 1.79 330 5.25 1/8 8.213 @ 82.36 1000 10.801 1/4 12.999 @ 102.47 RT .343 60 1.765 330 5.193 1/8 8.126 @ 83.26 1000...

can someone tell me what B2231 and B2232 do?I read the description but I just dont quite understand what they are supposed to do. i'm almost wondering if this is one of my limiting factors when i'm staging. I havent put the new version of efi on my laptop yet I just put it on my desktop to see...

ok, question for the efi gurus. I have a tune I tried running at the track. it seems to be a terminal work in progress... anyway. when i'm staging I logged engine torque reference and from about 55% throttle position all the way to 100% throttle position the torque gets to 523 ft lbs and roughly...

hello all, upstate diesel performance reccommended I check out this site so here I am. I have an 06 CC/sb with an lbz and a few other goodies. hope I Can share some of the knowledge I have and learn just as much from the other members.