My mechanic suggested replacing the ECM on my 2011 truck, but OEM prices were ridiculous. I started digging for alternatives that wouldn’t throw off the diagnostics and stumbled on Flagship One. Found a pre-programmed unit for less than half the dealer quote. Install took no more than 15 minutes, and it fired up on the first try. No warning lights, no hassle. Curious if anyone here has used them for more complex vehicles—do they hold up well on newer models with tighter programming?
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I had an older SUV that started throwing odd transmission codes, and nothing seemed to fix it until we narrowed it down to the ECM. I ordered a unit through flagship one because it was pre-flashed and ready for install. Got the part in a few days, and it was plug-and-play just like they said. Codes cleared, and it’s been running fine for over six months now. It felt good not having to go through the dealer for something this basic.