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ISX12/ISX11.9 CM2250 Fault Code: 3681 | SPN: 3228 | FMI: 2Aftertreatment 1 Outlet NOx Sensor Power Supply – Data Erratic, Intermittent, or Incorrect
Overview CODE REASON EFFECT Fault Code: 3681PID: SPN: 3228FMI: 2/2LAMP: AmberSRT: The aftertreatment outlet NOx sensor indicates that the power supply to the sensor is incorrect. None on performance. Circuit Description The aftertreatment...
ISX12/ISX11.9 CM2250 Fault Code: 3679 | SPN: 3361 | FMI: 11Aftertreatment 1 Diesel Exhaust Fluid Dosing Unit – Root Cause Not Known
Overview CODE REASON EFFECT Fault Code: 3679PID: SPN: 3361FMI: 11/11LAMP: AmberSRT: The diesel exhaust fluid dosing unit has failed to initialize. Possible reduced engine performance. Circuit Description The diesel exhaust fluid dosing...
ISX12/ISX11.9 CM2250 Fault Code: 3651 | SPN: 3031 | FMI: 18Aftertreatment 1 Diesel Exhaust Fluid Tank Temperature – Data Valid But Below Normal Operating Range – Moderately Severe Level
Overview CODE REASON EFFECT Fault Code: 3651PID: SPN: 3031FMI: 1/18LAMP: AmberSRT: The diesel exhaust fluid tank temperature is unable to reach its set point. Possible reduced engine performance. Circuit Description The aftertreatment...
ISX12/ISX11.9 CM2250 Fault Code: 3649 | SPN: 5024 | FMI: 10Aftertreatment 1 Intake NOx Sensor Heater – Abnormal Rate of Change
Overview CODE REASON EFFECT Fault Code: 3649PID: SPN: 5024FMI: 10/10LAMP: AmberSRT: The aftertreatment intake NOx sensor heater is unable to maintain its normal operating temperature. None on performance. Circuit Description The...
ISX12/ISX11.9 CM2250 Fault Code: 3648 | SPN: 5480 | FMI: 16Aftertreatment Diesel Exhaust Fluid Controller Temperature – Data Valid But Above Normal Operating Range – Moderately Severe Level
Overview CODE REASON EFFECT Fault Code: 3648PID: SPN: 5480FMI: 0/16LAMP: AmberSRT: The internal temperature of the diesel exhaust fluid controller is above the warning limits. Possible reduced engine performance. Circuit Description The...
ISX12/ISX11.9 CM2250 Fault Code: 3612 | SPN: 3361 | FMI: 7Aftertreatment 1 Diesel Exhaust Fluid Dosing Unit – Mechanical System Not Responding or Out of Adjustment
Overview CODE REASON EFFECT Fault Code: 3612PID: SPN: 3361FMI: 7/7LAMP: NoneSRT: An incomplete powerdown has been detected by the SCR system. None on performance. Circuit Description The aftertreatment diesel exhaust fluid dosing unit...
ISX12/ISX11.9 CM2250 Fault Code: 3597 | SPN: 3360 | FMI: 9Aftertreatment Diesel Exhaust Fluid Controller – Abnormal Update Rate
Overview CODE REASON EFFECT Fault Code: 3597PID: SPN: 3360FMI: 9/9LAMP: AmberSRT: Data link communications between the ECM and the aftertreatment diesel exhaust fluid controller have been interrupted. Possible reduced engine performance....
ISX12/ISX11.9 CM2250 Fault Code: 3596 | SPN: 4334 | FMI: 2Aftertreatment 1 Diesel Exhaust Fluid Pressure – Data Erratic, Intermittent, or Incorrect
Overview CODE REASON EFFECT Fault Code: 3596PID: SPN: 4334FMI: 2/2LAMP: AmberSRT: The diesel exhaust fluid pressure sensor has reported a reading too high or low for the operating conditions. Possible reduced engine performance. Circuit...
ISX12/ISX11.9 CM2250 Fault Code: 3582 | SPN: 4364 | FMI: 18Aftertreatment SCR Catalyst Conversion Efficiency – Data Valid But Below Normal Operating Range – Moderately Severe Level
Overview CODE REASON EFFECT Fault Code: 3582PID: SPN: 4364FMI: 1/18LAMP: AmberSRT: NOx conversion across the SCR catalyst is too low. Possible reduced engine performance. Circuit Description The engine control module (ECM) monitors the NOx...
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