What is the fault code for mid 128 sid 326 for cummins?

The fault code for MID 128 SID 326 in Cummins engines typically indicates a problem related to the engine's emissions system, specifically concerning the Diesel Particulate Filter (DPF) or its regeneration process. This code can point to issues like a clogged filter or problems with the DPF pressure sensors. It's essential to perform diagnostic tests to pinpoint the exact cause and apply the appropriate corrective measures. Always refer to the manufacturer's service manual for precise troubleshooting steps.