Heavy-duty trucks and industrial vehicles depend on more than just diesel fuel and horsepower — the brains behind their brawn often lie in diagnostic software, and Cummins INSITE is one such tool.
GM has issued a Service Update that applies to certain units of GMC full-size trucks and SUVs, including the Sierra, Yukon, and Yukon XL, which is related to an ECM software update. For GMC models, it ...