Cummins ISB CM850 (2003-06) Fault Code: 341 PID: SID 253 SPN: 530 FMI: 2 Engine Control Module Data Lost – Data Erratic, Intermittent or Incorrect. Severe loss of data from the ECM.
Possible no noticeable performance effects, engine dying or hard starting. Fault information, trip information, and maintenance monitor data can be inaccurate.
Possible repairs:
1)Charge or replace the battery.
2)Tighten the loose connections and clean the terminals.
3)Repair or replace the OEM harness.
4)Replace the fuses.
Cummins ISB CM850 (2003-06) Fault Code: 334 PID: 110 SPN: 110 FMI: 2 Engine Coolant Temperature – Data Erratic, Intermittent, or Incorrect. The engine coolant temperature reading is not changed with engine operating conditions.
Cummins ISB CM850 (2003-06) Fault Code: 332 PID: SID 4 SPN: 654 FMI: 5 Injector Solenoid Driver Cylinder 4 Circuit – Current Below Normal or Open Circuit. High resistance or no current detected at number 4 injector driver or RETURN pin.
Cummins ISB CM850 (2003-06) Fault Code: 331 PID: SID 2 SPN: 652 FMI: 5 Injector Solenoid Driver Cylinder 2 Circuit – Current Below Normal or Open Circuit. High resistance or no current detected at number 2 injector driver or RETURN pin.
Cummins ISB CM850 (2003-06) Fault Code: 325 PID: SID 6 SPN: 656 FMI: 5 Injector Solenoid Driver Cylinder 6 Circuit – Current Below Normal or Open Circuit. High resistance or no current detected at number 6 injector driver or RETURN pin.
Cummins ISB CM850 (2003-06) Fault Code: 324 PID: SID 3 SPN: 653 FMI: 5 Injector Solenoid Driver Cylinder 3 Circuit – Current Below Normal or Open Circuit. High resistance or no current detected at number 3 injector or RETURN pin.
Cummins ISB CM850 (2003-06) Fault Code: 323 PID: SID 5 SPN: 655 FMI: 5 Injector Solenoid Driver Cylinder 5 Circuit – Current Below Normal or Open Circuit. High resistance or no current detected at number 5 injector driver or RETURN pin.
