Cummins ISX15 2250 Fault Code: 1921 SPN: 3251 FMI: 0/16 Aftertreatment 1 DPF Differential Pressure – Data Valid But Above Normal Operating Range – Moderately Severe Level

Mar 28, 2025 | Uncategorized

Aftertreatment 1 Diesel Particulate Filter Differential Pressure – Data Valid But Above Normal Operating Range – Moderately Severe Level Overview   CODE REASON EFFECT Fault Code: 1921PID: S324SPN: 3251FMI: 0/16LAMP: AmberSRT:    The soot load of...

Cummins ISX15 2250 Fault Code: 1896 SPN: 2791 FMI: 13/13 EGR Valve Controller – Out of Calibration

Mar 27, 2025 | Uncategorized

EGR Valve Controller – Out of Calibration Overview   CODE REASON EFFECT Fault Code: 1896PID: S146SPN: 2791FMI: 13/13LAMP: AmberSRT:    The EGR valve has failed the automatic calibration procedure at initial key ON.     Possible reduced engine...

Cummins ISX15 2250 Fault Code: 1887 SPN: 3226 FMI: 4/4 Aftertreatment 1 Outlet NOx Sensor Circuit – Voltage Below Normal or Shorted to Low Source

Mar 27, 2025 | Uncategorized

Aftertreatment 1 Outlet NOx Sensor Circuit – Voltage Below Normal or Shorted to Low Source Overview   CODE REASON EFFECT Fault Code: 1887PID: SPN: 3226FMI: 4/4LAMP: AmberSRT:   An internal circuit error has been detected by the aftertreatment outlet...

Cummins ISX15 2250 Fault Code: 1885 SPN: 3216 FMI: 4/4 Aftertreatment 1 Intake NOx Sensor Circuit – Voltage Below Normal or Shorted to Low Source

Mar 27, 2025 | Uncategorized

Aftertreatment 1 Intake NOx Sensor Circuit – Voltage Below Normal or Shorted to Low Source Overview   CODE REASON EFFECT Fault Code: 1885PID:SPN: 3216FMI: 4/4LAMP: AmberSRT:   An internal circuit error has been detected by the aftertreatment intake NOx...

Cummins ISX15 2250 Fault Code: 1883 SPN: 3251 FMI: 2/2 Aftertreatment 1 DPF Differential Pressure – Data Erratic, Intermittent, or Incorrect

Mar 27, 2025 | Uncategorized

Aftertreatment 1 DPF differential Presure – Data Erratic, Intermittent, or Incorrect Overview   CODE REASON EFFECT Fault Code: 1883PID: S324SPN: 3251FMI: 2/2LAMP: AmberSRT:    The aftertreatment diesel particulate filter differential pressure sensor is...

Cummins ISX15 2250 Fault Code: 1881 SPN: 3251 FMI: 4/4 Aftertreatment 1 DPF Differential Pressure Sensor Circuit – Voltage Below Normal or Shorted to Low Source

Mar 27, 2025 | Uncategorized

Aftertreatment 1 DPF Differential Pressure Sensor Circuit – Voltage Below Normal or Shorted to Low Source Overview   CODE REASON EFFECT Fault Code: 1881PID: S324SPN: 3251FMI: 4/4LAMP: AmberSRT:    Low signal voltage or open circuit detected at the...