Code 343: A common issue with N14 Celect Plus ECMs 🚛 If you see code 343 on your N14 Celect Plus ECM, you likely have a bad ECM. This code indicates an internal chip issue, which can cause your truck to shut off and turn back on by itself, misfire, or have its RPMs cut down to 1500. 🛠️ If you have any other ECM issues, put them down in the comments below! 💬 ❗Need help with your ECM? 👉Follow me for more tips and advice! #ecms #ecmsrepair #dieseltrucks | Oscar Truck ECM

🚨 Don’t Ignore Cummins Code 343. When working on a Cummins Celect Plus ECM (N14 engine), Code 343 may appear. 📟Although the description says "no effect on performance," this can be misleading. 🚫The fault indicates a communication error with the fault-processing chip, which can cause engine stumble, shutdown, or no start. 🔧👉 Follow us for more ECM tips and drop your questions in the comments! #ECMRepair #DieselTrucks #TruckMaintenance | Oscar Truck ECM