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.
Cummins ISB CM850 (2003-06) Fault Code: 598 PID: 167 SPN: 167 FMI: 11 Electrical Charging System Voltage Low – Data Valid But Below Normal Operating Range – Most Severe Level. Very low battery voltage detected by the battery voltage monitor feature.
Cummins ISB CM850 (2003-06) Fault Code: 597 PID: 167 SPN: 167 FMI: 1 Electrical Charging System Voltage Low – Data Valid But Below Normal Operating Range – Moderately Severe Level. Low battery voltage detected by the battery voltage monitor feature.
Cummins ISB CM850 (2003-06) Fault Code: 596 PID: 167 SPN: 167 FMI: 0 Electrical Charging System Voltage High – Data Valid But Above Normal Operating Range – Moderately Severe Level. High battery voltage detected by the battery voltage monitor feature.
Cummins ISB CM850 (2003-06) Fault Code: 595 (ISB) PID: 103 SPN: 103 FMI: 0 Turbocharger Number 1 speed high – warning level. High turbocharger speed has been detected.
Cummins ISB CM850 (2003-06) Fault Code: 595 (ISC) PID: 103 SPN: 103 FMI: 0 Turbocharger Number 1 Speed High – Data Valid but Above Normal Operational Range – Moderately Severe Level. High turbocharger speed has been detected.
Cummins ISB CM850 (2003-06) Fault Code: 585 PID: SID 39 SPN: 677 FMI: 4 Starter Relay Circuit – Voltage Below Normal or Shorted to Low Source. Low voltage detected at starter lockout circuit.