ISX12/ISX11.9 CM2250 Fault Code: 2777 | SPN: 3703 | FMI: 31Aftertreatment Regeneration Inhibited Due to Inhibit Switch – Condition Exists

por ECMDIESELTUNING | Feb 21, 2025 | Uncategorized

Overview   CODE REASON EFFECT Fault Code: 2777PID: S390SPN: 3703FMI: 11/31LAMP: MaintenanceSRT:    Regeneration of the diesel particulate filter has been prevented due to the permit switch being disabled.     Possible frequent need for...

ISX12/ISX11.9 CM2250 Fault Code: 2771 | SPN: 3226 | FMI: 9Aftertreatment 1 Outlet NOx Sensor – Abnormal Update Rate

por ECMDIESELTUNING | Feb 21, 2025 | Uncategorized

Overview   CODE REASON EFFECT Fault Code: 2771PID: SPN: 3226FMI: 9/9LAMP: AmberSRT:    No communication or an invalid data transfer rate detected on the J1939 data link between the ECM and the aftertreatment outlet NOx sensor.     Possible reduced...

ISX12/ISX11.9 CM2250 Fault Code: 2754 | SPN: 81 | FMI: 16Engine Diesel Particulate Filter Intake Pressure – Data Valid But Above Normal Operating Range – Moderately Severe Level

por ECMDIESELTUNING | Feb 21, 2025 | Uncategorized

Overview   CODE REASON EFFECT Fault Code: 2754PID: P81SPN: 81FMI: 0/16LAMP: AmberSRT:    Excessive black smoke has been detected exiting the engine and entering the aftertreatment diesel particulate filter.     None on performance. Circuit...

ISX12/ISX11.9 CM2250 Fault Code: 2639 | SPN: 3251 | FMI: 15Aftertreatment 1 Diesel Particulate Filter Differential Pressure – Data Valid But Above Normal Operating Range – Least Severe Level

por ECMDIESELTUNING | Feb 21, 2025 | Uncategorized

Overview   CODE REASON EFFECT Fault Code: 2639PID: S324SPN: 3251FMI: 0/15LAMP: NoneSRT:    The soot load of the aftertreatment diesel particulate filter has exceeded the recommended limits.     Possible reduced engine performance. Circuit...

ISX12/ISX11.9 CM2250 Fault Code: 2637 | SPN: 5018 | FMI: 11Aftertreatment 1 Diesel Oxidation Catalyst Face Plugged – Root Cause Not Known

por ECMDIESELTUNING | Feb 21, 2025 | Uncategorized

Overview   CODE REASON EFFECT Fault Code: 2637PID: S380SPN: 5018FMI: 11/11LAMP: NoneSRT:    The front face of the aftertreatment diesel oxidation catalyst has been detected to be plugged with soot.     Possible reduced engine performance. Circuit...

ISX12/ISX11.9 CM2250 Fault Code: 2272 | SPN: 27 | FMI: 4EGR Valve Position Circuit – Voltage Below Normal or Shorted to Low Source

por ECMDIESELTUNING | Feb 21, 2025 | Uncategorized

Overview   CODE REASON EFFECT Fault Code: 2272PID: P27SPN: 27FMI: 4/4LAMP: AmberSRT:    Low signal voltage has been detected at the EGR valve position sensor circuit.     Possible reduced engine performance. Circuit Description The exhaust gas...