Cummins ISB CM850 (2003-06) Fault Code: 2388 PID: SID 269 SPN: 2795 FMI: 13 Variable Geometry Turbocharger actuator position failed automatic calibration procedure – out of calibration.
Possible cause:
1)A turbocharger internal failure causing the turbocharger actuator to not close fully.
When troubleshooting inactive counts of this fault code, running the Turbocharger Actuator Test in INSITE? electronic service tool could help to identify a stuck turbocharger actuator.
Possible repairs:
1)Repair or replace the engine harness.
2)Replace the ECM.
3)Repair or replace the turbocharger.
Cummins ISB CM850 (2003-06) Fault Code: 2387 PID: SID 146 SPN: 2975 FMI: 7 Turbocharger actuator motor – the mechanical system is not responding properly or is out of adjustment. Turbocharger actuator is not responding or is slow to respond.
Cummins ISB CM850 (2003-06) Fault Code: 2386 PID: SPN: 2975 FMI: 6 Turbocharger actuator motor circuit – current is above normal. Excessive current detected at the turbocharger actuator motor circuit.
Cummins ISB CM850 (2003-06) Fault Code: 2385 (ISC) PID: SID 27 SPN: 641 FMI: 3 VGT Actuator – Voltage Above Normal or Shorted to High Source. Open circuit or high voltage detected at turbocharger control valve circuit.
Cummins ISB CM850 (2003-06) Fault Code: 2385 (ISB) PID: SID 27 SPN: 641 FMI: 3 VGT actuator driver circuit – voltage above normal or shorted to high source.
Cummins ISB CM850 (2003-06) Fault Code: 2384 (ISC) PID: SID 27 SPN: 641 FMI: 4 VGT Actuator – Voltage Below Normal or Shorted to Low Source. Low voltage detected at turbocharger control valve circuit.
Cummins ISB CM850 (2003-06) Fault Code: 2384 (ISB) PID: SID 27 SPN: 641 FMI: 4 VGT actuator driver circuit – voltage below normal, or shorted to low source.
