21 April, 2025Cummins ISB CM850 (2003-06) Fault Code: 599 PID: SID 25 SPN: 640 FMI: 14 Auxiliary Commanded Dual Output Shutdown – Special Instructions. The engine protection limit has been exceeded for the dual outputs calibrated limits. Cummins ISB CM850 (2003-06) Fault Code: 599 PID: SID 25 SPN: 640 FMI: 14 Auxiliary Commanded Dual Output Shutdown – Special Instructions. The engine protection limit has been exceeded for the dual outputs calibrated limits. This fault code is activated when one of the OEM defined inputs has exceeded a calibratible limit. The triggers for shutdown are OEM dependent. Possible repairs: 1)Replace the OEM 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