1.7K views · 25 reactions | DDEC IV ECM trouble? ⚠️ Common issue: Oil leaks into the ECM! This Detroit diesel culprit can cause major problems. Let's see how to fix it.  Do you have questions about ECMs? Drop a comment!  Want to know more about ECMs? Follow for tips and tricks!  #DetroitDiesel #truckrepair #dieseltrucks | Oscar Truck ECM | Facebook

ECM failure: Dents on case 🛠️👀 One way to spot a bad ECM is to look for a dent on the outside of the unit. This is especially common in Cummins ISX ECMs on DDEC V and other similar type of ECMs. 🚛💥 If you see a dent on your ECM, it's likely that the board inside is damaged. Damage can be caused by broken components or board inside or by water leaking from the seals. 💧💥 If you have an ECM with a dent and you're having problems with your truck, it's a good bet that the ECM is bad. 🚛❌ Curiou