Network Calibration Faults: The Five-Thousand-Dollar-a-Year Phantom You’re Ignoring in Your Fleet

I spent the better part of a Tuesday afternoon in a repair bay last month staring at a Freightliner that had zero active fault codes, a battery voltage that never dipped below twelve-point-six volts, and a CAN bus that would randomly drop frames for six to eleven seconds. No pattern. No correlation with temperature, engine load, or road […]