18 april, 2025 Cummins ISB CM550 (1990-94) Fault Code: 284 PID: 190 SPN: 190 FMI: 3 Engine Speed Sensor Supply Circuit DescriptionThe engine speed sensor provides engine speed information to the engine control module (ECM). The sensor must be powered...
18 april, 2025 Cummins ISB CM550 (1990-94) Fault Code: 284 PID: 190 SPN: 190 FMI: 4 Engine Speed Sensor Supply Circuit DescriptionThe engine speed sensor provides engine speed information to the engine control module (ECM). The sensor must be powered...
18 april, 2025 Cummins ISB CM550 (1990-94) Fault Code: 285 PID: SID 231 SPN: 639 FMI: 9 J1939 Datalink Multiplexing Circuit DescriptionInputs, such as throttle pedals, switches, and sensors, can be communicated to the ECM over the J1939 datalink. Messages...
18 april, 2025 Cummins ISB CM550 (1990-94) Fault Code: 286 PID: SID 231 SPN: 639 FMI: 13 J1939 Datalink Multiplexing Circuit DescriptionInputs, such as throttle pedals, switches, and sensors, can be communicated to the ECM over the J1939 datalink. Messages...
18 april, 2025 Cummins ISB CM550 (1990-94) Fault Code: 297 PID: 223 SPN: 1084 FMI: 3 OEM Pressure Sensor Circuit Circuit DescriptionThe OEM sensor signal is used by the electronic control module (ECM) to monitor the OEMpressure. The OEM pressure...
18 april, 2025 Cummins ISB CM550 (1990-94) Fault Code: 298 PID: 223 SPN: 1084 FMI: 4 OEM Pressure Sensor Circuit Circuit DescriptionThe OEM sensor signal is used by the electronic control module (ECM) to monitor the OEMpressure. The OEM pressure...