Cummins ISB CM550 (1990-94) Fault Code: 373 PID: SID 233 SPN: 1077 FMI: 3 Fuel Pump Fuel Shut Off Error
Cummins ISB CM550 (1990-94) Fault Code: 374 PID: 1688 SPN: FMI: Fuel Pump Calibration Error
Cummins ISB CM550 (1990-94) Fault Code: 375 PID: 602 SPN: FMI: 2 Engine Control Module (ECM) Fuel Calibration Corrupted
Cummins ISB CM550 (1990-94) Fault Code: 375 PID: SID 254 SPN: FMI: 2 Engine Control Module (ECM) Fuel Calibration Corrupted
Cummins ISB CM550 (1990-94) Fault Code: 376 PID: 1691 SPN: FMI: Fuel Pump rpm and Fuel Error
Cummins ISB CM550 (1990-94) Fault Code: 377 PID: SID 233 SPN: 107 FMI: 7 Fuel Pump Power Relay Stuck-On
Cummins ISB CM550 (1990-94) Fault Code: 381 PID: SID 237 SPN: 626 FMI: 11 Intake Air Heater Relay Circuit
Cummins ISB CM550 (1990-94) Fault Code: 382 PID: SID 237 SPN: 626 FMI: 11 Intake Air Heater Relay Circuit
Cummins ISB CM550 (1990-94) Fault Code: 385 PID: SID 232 SPN: 620 FMI: 3 Remote Accelerator Supply Circuit
Cummins ISB CM550 (1990-94) Fault Code: 385 PID: SID 232 SPN: 620 FMI: 1 Remote Accelerator Supply Circuit