🔍 PACCAR ECM Issues : No Communication 🚚💬 The scanner won’t connect to the engine on this truck. 🛠 A quick test reveals the culprit: a faulty ECM! 🚨 You can use a bench harness to diagnose the issue and save time diagnosing wiring.💡 Do you have questions about PACCAR? Leave a comment below! 💭 👉Want to know more ECM tips? Follow for more! #PACCAR #TruckRepair #DieselTech | Oscar Truck ECM

🚛 Having trouble with your truck's ECM (Engine Control Module)? Here's a quick way to diagnose potential issues: 1️⃣ Use a bench harness to connect the ECM. 2️⃣ Attach a power supply and communication adapter. 3️⃣ Verify communication - if unsuccessful, it indicates a potential ECM issue. While not a complete test, this method can be a helpful first step. 🛠️🔧Facing ECM problems with Cummins, CAT, Detroit, or Paccar engines? Leave a comment with your specific issue and the engine type. I'm Osc