16 abril, 2025 Cummins ISB CM550 (1990-94) Fault Code: 391 PID: SID 017 SPN: 632 FMI: 11 Fuel Pump Relay Coil Supply Circuit Circuit DescriptionThe fuel pump relay is used to supply voltage to the fuel pump. The engine control module(ECM) can shut...
16 abril, 2025 Cummins ISB CM550 (1990-94) Fault Code: 415-SN PID: 100 SPN: 100 FMI: 1 Oil Pressure – Engine Protection Circuit DescriptionThe oil pressure sensor is used by the electronic control module (ECM) to monitor thelubricating oil pressure. The ECM...
16 abril, 2025 Cummins ISB CM550 (1990-94) Fault Code: 415-SW PID: 100 SPN: 100 FMI: 1 Oil Pressure – Engine Protection With An Oil Pressure Switch Circuit DescriptionThe oil pressure switch is used by the electronic control module (ECM) to detect the presenceof lubricating oil pressure....
16 abril, 2025 Cummins ISB CM550 (1990-94) Fault Code: 418 PID: 97 SPN: 97 FMI: 0 Water-In-Fuel Sensor Circuit Circuit DescriptionThe WIF sensor is attached to the fuel filter. The WIF sensor sends a signal to the electroniccontrol module...
16 abril, 2025 Cummins ISB CM550 (1990-94) Fault Code: 422 PID: 111 SPN: 111 FMI: 2 Colant Level Sensor Circuit Coolant Level Sensor Circuit Circuit DescriptionThe coolant level sensor monitors the coolant level within the coolant system and passesinformation to the engine control module...
16 abril, 2025 Cummins ISB CM550 (1990-94) Fault Code: 429 PID: 97 SPN: 97 FMI: 4 Water-In-Fuel (WIF) Sensor Circuit Circuit DescriptionThe WIF sensor is attached to the fuel filter. The WIF sensor sends a signal to the electroniccontrol module...