💀A dead Cummins ECM To diagnose a dead ECM on a Cummins ISX CM570, the first step is to 🔌 hook up a bench harness to the ECM. If the ECM is not ❌ communicating, then it is likely dead. You can verify this by making sure you have the battery 12V and ground as well as the Ignition 12V and that your communications cables are conected tight and are clean. If the ECM is dead, then you will need to repair it or replace it. Do you need help with your ECM? 💡 👉Follow me for more! #Cummins #ECM #repai
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💀A dead Cummins ECM To diagnose a dead ECM on a Cummins ISX CM570, the first step is to 🔌 hook up a bench harness to the ECM. If the ECM is not ❌ communicating, then it is likely dead. You can verify this by making sure you have the battery 12V and ground as well as the Ignition 12V and that your communications cables are conected tight and are clean. If the ECM is dead, then you will need to repair it or replace it. Do you need help with your ECM? 💡 👉Follow me for more! #Cummins #ECM #repai
2.7K viewsSep 3, 2023
FacebookOscar Truck ECM
👉 What’s the best diagnostic tool for Cummins engines? For Cummins engines, I recommend using Cummins Insite 🔧 It has two versions: the lite version for basic diagnostics and the pro version for full access, including ECM reflash, parameter changes, and regens ⚙️ If you work on Cummins engines regularly, the pro version is definitely worth it ✅ What tool are you using for your Cummins engine? Drop it in the comments 💬 #ECMProgramming #TruckDiagnostics #DieselTech | Oscar Truck ECM
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👉 What’s the best diagnostic tool for Cummins engines? For Cummins engines, I recommend using Cummins Insite 🔧 It has two versions: the lite version for basic diagnostics and the pro version for full access, including ECM reflash, parameter changes, and regens ⚙️ If you work on Cummins engines regularly, the pro version is definitely worth it ✅ What tool are you using for your Cummins engine? Drop it in the comments 💬 #ECMProgramming #TruckDiagnostics #DieselTech | Oscar Truck ECM
5.2K views6 months ago
FacebookOscar Truck ECM
⚙ Common Cummins Celect Issues! If you have a 1994-1997 Cummins N14, M11, or L10, these are 3 common ECM problems. - No start and no ECM communication failures: Check your voltage and gratine supplies as well as ignition. Disconnect ECM ASAP, if these checkouts are not good to prevent burning it! ⚠️- Injector codes or injector misfires: Check wiring and injector and make sure they’re good. ‼ - Engine shuts down and code 434 active: Check voltage, wiring and battery connections. Disconnect ECM AS
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⚙ Common Cummins Celect Issues! If you have a 1994-1997 Cummins N14, M11, or L10, these are 3 common ECM problems. - No start and no ECM communication failures: Check your voltage and gratine supplies as well as ignition. Disconnect ECM ASAP, if these checkouts are not good to prevent burning it! ⚠️- Injector codes or injector misfires: Check wiring and injector and make sure they’re good. ‼ - Engine shuts down and code 434 active: Check voltage, wiring and battery connections. Disconnect ECM AS
1.8K viewsFeb 13, 2025
FacebookOscar Truck ECM
This mechanic has discovered the "magic touch" on this Cummins ISX. With just a gentle tap of a hex head on the ECM case, the entire engine shuts down instantly. He starts it up, taps it again, and it dies again. While it looks like magic, it’s actually a notorious issue with the CM870/CM871 ECMs. A faulty electrical connection inside the unit makes it incredibly sensitive to vibration. Usually, just the engine running is enough to kill it, but this rare one waits for the "magic tap." Video cred
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This mechanic has discovered the "magic touch" on this Cummins ISX. With just a gentle tap of a hex head on the ECM case, the entire engine shuts down instantly. He starts it up, taps it again, and it dies again. While it looks like magic, it’s actually a notorious issue with the CM870/CM871 ECMs. A faulty electrical connection inside the unit makes it incredibly sensitive to vibration. Usually, just the engine running is enough to kill it, but this rare one waits for the "magic tap." Video cred
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