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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
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
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
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
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
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
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
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
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
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...
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