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I’ve owned my lbz since 2010. Unfortunately i had other financial responsibilities during the last 10 or so years. I finally bought a flashscan 3 and have had problems flashing a tune into my ecm after building it from the original stock tune. Can someone help me out with a tune they run so I...

I have not figured it out. I refashed unedited stock tune back into truck and after failing 3 times it finally took. I’m starting to think there is an error in the handheld flashscan unit. Maybe soldering issues /:

i saw this list of codes and so I run a usb test and it comes back OK and all green check ✅. All my firmware and software is up to date.

I read up a lot before I flashed for the first time. My truck is an Lbz . I did remove all related fuses, made sure I had correct voltage at the obII, and I had my batteries charged up over 13v. I did usb, laptop, obII test and all three were connected. Thanks again I have nothing aftermarket at...

It is but back to stock tune , I don’t know why I am having hard time with edited tune flash keeps failing

2006 Lbz crew cab diesel. I got it to flash the stock file to the ecm but took a couple tries. I don’t know why it won’t flash my edited “stock “ tune

read my ecm and stored stock file. I then edited this file and made it my new tune file. I hooked up obII to v3, v3 to laptop and used pass thru method. I tested all connections, usb , laptop, obII All was good, pulled fuses etc, made sure it was licensed etc etc. hit full scan and gave error...

Thanks everyone I appreciate the info have a great day

Thank you

Thank you

Im not sure which one I need , I see there are different LBZ stock tune files ( vans, 4x4, 4x2) I have a 2006 gmc 2500hd crew cab short bed 4x4 duramax 6.6 (lbz) Can someone shoot me the correct file, ty

Long story short I should have done more research before taking my truck to who I thought was a reputable mechanic, had 4.56 gears, locker etc added for my 37” tires. Tuning etc . Not happy/: So I bought a flash scan v3 and want to do some tuning , bought starlite book etc. I am looking for a...

McRat tune.. dm me please and thank you

Thank you all very much, I appreciate the information you have shared with me.

I am late getting into the tuning world but finally purchased a Flashscan v3 and would like to tune my lbz. After seeing how many tuning libraries there used to be versus now I can only conclude places want to keep the $$$ locked up and not available to the average joe. Is there any sites...

My name is Royce R, from Maine. I have a 2006 lbz CrewCab SLT 83k original miles., 4.56 gears, 6” fabtech lift. 37” kuhmos, 20” fuel octanes EGR blocker plate, 5” exhaust, wanted to introduce myself and say hi to all and hope everyone had a great holiday season so far,