24 June, 2025Cummins ISM CM870 (2003-06) Fault Code: 2356 PID: SPN: 2792 FMI: 4/4 Turbocharger Control Shutoff Valve – shorted high. Low voltage detected at turbocharger control shutoff valve circuit. Possible causes: 1)Short circuit to ground in the engine harness, connectors, or control valve. Possible repairs: 1)Replace the turbocharger control shutoff valve.2)Replace the ECM.3)Repalce the engine harness. Compartir en Facebook Se abre en una nueva ventana. Compartir en Twitter Se abre en una nueva ventana. Guardar en Pinterest Se abre en una nueva ventana. Regresar al blog