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...

ISX12/ISX11.9 CM2250 Fault Code: 1981 | SPN: 3936 | FMI: 15Aftertreatment 1 Diesel Particulate Filter System – Data Valid But Above Normal Operating Range – Least Severe Level

por ECMDIESELTUNING | Feb 21, 2025 | Uncategorized

Overview   CODE REASON EFFECT Fault Code: 1981PID: SPN: 3936FMI: 0/15LAMP: AmberSRT:    The aftertreatment differential pressure has exceeded the maximum operating limits or the diesel particulate filter is plugged.     Possible reduced engine...

ISX12/ISX11.9 CM2250 Fault Code: 1977 | SPN: 3556 | FMI: 5Aftertreatment Doser Circuit – Current Below Normal or Open Circuit

por ECMDIESELTUNING | Feb 21, 2025 | Uncategorized

Overview   CODE REASON EFFECT Fault Code: 1977PID: S382SPN: 3556FMI: 5/5LAMP: AmberSRT:    High resistance, short circuit, or open circuit detected on the aftertreatment fuel injector circuit.     Possible reduced engine performance. Circuit...

ISX12/ISX11.9 CM2250 Fault Code: 1964 | SPN: 3556 | FMI: 7Aftertreatment Doser – Mechanical System Not Responding or Out of Adjustment

por ECMDIESELTUNING | Feb 21, 2025 | Uncategorized

Overview   CODE REASON EFFECT Fault Code: 1964PID: S382SPN: 3556FMI: 7/7LAMP: AmberSRT:    An internal or external fuel leak has been detected in the aftertreatment fuel system.     Possible reduced engine performance. Circuit Description Before...