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ISX12/ISX11.9 CM2250 Fault Code: 3237 | SPN: 4340 | FMI: 3Aftertreatment 1 Diesel Exhaust Fluid Line Heater 1 Circuit – Voltage Above Normal or Shorted to High Source
Overview CODE REASON EFFECT Fault Code: 3237PID: SPN: 4340FMI: 3/3LAMP: AmberSRT: High signal voltage detected at the diesel exhaust fluid line heater 1 circuit. Possible reduced engine performance. Circuit Description The aftertreatment...
ISX12/ISX11.9 CM2250 Fault Code: 3232 | SPN: 3216 | FMI: 9Aftertreatment 1 Intake NOx Sensor – Abnormal Update Rate
Overview CODE REASON EFFECT Fault Code: 3232PID: SPN: 3216FMI: 9/9LAMP: AmberSRT: No communication or an invalid data transfer rate has been detected on the J1939 data link between the ECM and the aftertreatment intake NOx sensor. Possible...
ISX12/ISX11.9 CM2250 Fault Code: 3231 | SPN: 4360 | FMI: 16Aftertreatment 1 SCR Intake Temperature – Data Valid But Above Normal Operating Range – Moderately Severe Level
Overview CODE REASON EFFECT Fault Code: 3231PID: SPN: 4360FMI: 0/16LAMP: RedSRT: The SCR intake temperature sensor reading has exceeded the maximum temperature limit. Possible reduced engine performance. Circuit Description The selective...
ISX12/ISX11.9 CM2250 Fault Code: 3229 | SPN: 4360 | FMI: 0Aftertreatment 1 SCR Intake Temperature – Data Valid But Above Normal Operating Range – Most Severe Level
Overview CODE REASON EFFECT Fault Code: 3229PID: SPN: 4360FMI: 0/0LAMP: RedSRT: The selective catalytic reduction (SCR) intake temperature sensor reading has exceeded the maximum temperature limit. Possible reduced engine performance....
ISX12/ISX11.9 CM2250 Fault Code: 3228 | SPN: 3216 | FMI: 2Aftertreatment 1 Intake NOx Sensor – Data Erratic, Intermittent, or Incorrect
Overview CODE REASON EFFECT Fault Code: 3228PID: SPN: 3216FMI: 2/2LAMP: AmberSRT: An incorrect NOx sensor reading has been detected by the aftertreatment intake NOx sensor. Possible reduced engine performance. Circuit Description The...
ISX12/ISX11.9 CM2250 Fault Code: 3225 | SPN: 3490 | FMI: 7Aftertreatment Purge Air Actuator – Mechanical System Not Responding or Out of Adjustment
Overview CODE REASON EFFECT Fault Code: 3225PID: SPN: 3490FMI: 7/7LAMP: AmberSRT: Aftertreatment Purge Air Actuator - Mechanical System Not Responding or Out of Adjustment.A stuck closed aftertreatment purge air actuator has been detected ...
ISX12/ISX11.9 CM2250 Fault Code: 3224 | SPN: 3490 | FMI: 3Aftertreatment Purge Air Actuator Circuit – Voltage Above Normal or Shorted to High Source
Overview CODE REASON EFFECT Fault Code: 3224PID: SPN: 3490FMI: 3/3LAMP: AmberSRT: High signal voltage detected at the aftertreatment purge air actuator circuit. Possible reduced engine performance. Circuit Description The aftertreatment...
ISX12/ISX11.9 CM2250 Fault Code: 3223 | SPN: 3490 | FMI: 4Aftertreatment Purge Air Actuator Circuit – Voltage Below Normal or Shorted to Low Source
Overview CODE REASON EFFECT Fault Code: 3223PID: SPN: 3490FMI: 4/4LAMP: AmberSRT: Low signal voltage detected at the aftertreatment purge air actuator circuit. Possible reduced engine performance. Circuit Description The aftertreatment...
ISX12/ISX11.9 CM2250 Fault Code: 3168 | SPN: 3936 | FMI: 16Aftertreatment 1 Diesel Particulate Filter System – Data Valid But Above Normal Operating Range – Moderately Severe Level
Overview CODE REASON EFFECT Fault Code: 3168PID: SPN: 3936FMI: 0/16LAMP: AmberSRT: The system has detected a malfunction in the filtering capability of the aftertreatment diesel particulate filter. None on performance. Circuit Description...
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