🚛 Common ECU faults in commercial vehicles – explained We see a huge number of engine ECUs and transmission ECUs from vans, trucks, and other commercial vehicles come through our workshop, and many of the faults are more common than you might think. In this video, we cover: 🔧 Water ingress and internal corrosion 🌡️ Heat-related faults that only show when the ECU gets hot ⚡ Sensor short circuits causing internal ECU damage 🔩 Broken tracks, vibration damage, and age-related failures When ECUs