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...

ISX12/ISX11.9 CM2250 Fault Code: 1932 | SPN: 3556 | FMI: 2Aftertreatment Doser – Data Erratic, Intermittent, or Incorrect

por ECMDIESELTUNING | Feb 21, 2025 | Uncategorized

Overview   CODE REASON EFFECT Fault Code: 1932PID: S382SPN: 3556FMI: 2/2LAMP: AmberSRT:    An internal or external fuel leak has been detected in the aftertreatment fuel system.     Possible reduced engine performance. Circuit Description Before...

ISX12/ISX11.9 CM2250 Fault Code: 1928 | SPN: 3480 | FMI: 4Aftertreatment Fuel Pressure Sensor Circuit – Voltage Below Normal or Shorted to Low Source

por ECMDIESELTUNING | Feb 21, 2025 | Uncategorized

Overview   CODE REASON EFFECT Fault Code: 1928PID: S332SPN: 3480FMI: 4/4LAMP: AmberSRT:    Low signal voltage detected at the aftertreatment fuel pressure sensor circuit.     Possible reduced engine performance. Circuit Description The...

ISX12/ISX11.9 CM2250 Fault Code: 1927 | SPN: 3480 | FMI: 3Aftertreatment Fuel Pressure Sensor Circuit – Voltage Above Normal or Shorted to High Source

por ECMDIESELTUNING | Feb 21, 2025 | Uncategorized

Overview   CODE REASON EFFECT Fault Code: 1927PID: S332SPN: 3480FMI: 3/3LAMP: AmberSRT:    High signal voltage detected at the aftertreatment fuel pressure sensor circuit.     Possible reduced engine performance. Circuit Description The...