🔧 ECM Diagnostics: Method 2 🔧 Discover the second method to diagnose an ECM! Here's an example on a Detroit DDEC III 1️⃣ Connection: We hook the ECM to a bench harness for communication. 2️⃣ Diagnostic Codes: We used Detroit Diagnostic Link and found it has non-volatile memory failure and zero engine hours. 3️⃣ Result: This DDEC III ECM (12.7 Detroit) needs repair—100% confirmed! 🔍 Advanced Testing: I also manually check voltages and inspect signals in our lab for injector or sensor issues us

Need Help to Start Your Detroit? Check the ECM voltage supply! ⚠️ Is the truck not starting? Don't jump to replacing the ECM just yet! This quick tip shows you how to diagnose a potentially damaged Detroit Engine Control Module (ECM). Symptoms: Engine won't start, the diagnostic scanner can't connect. First, rule out fundamental issues: ✅ Power: Confirm 12v on both power and ignition wires (red = , black = -). ✅ Ground: Verify good ground connection. ✅ Connection: Ensure the communications adapt

ECM Problems? 🚗🔧 A specialist can repair and replace ECMs (engine control modules) for all types of vehicles, with the experience and expertise to fix any ECM problem, no matter how complex. 💡🛠️ A few of the ECMs that we're working on today: CPC 🛠️ Cummins ISX 🚛 Detroit 12.7 🚚 ISX CM570 🚛 Caterpillar 🐱 Comment below with your ECM problem, and I'll try to help you out. 💬👍 👉Follow me for more. | Oscar Truck ECM