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ISX12/ISX11.9 CM2250 Fault Code: 1867 | SPN: 412 | FMI: 2Exhaust Gas Recirculation Temperature – Data Erratic, Intermittent, or Incorrect
Overview CODE REASON EFFECT Fault Code: 1867PID: P412SPN: 412FMI: 2/2LAMP: AmberSRT: The EGR temperature sensor is reading an erratic value at initial key ON or while the engine is running. Possible reduced engine performance. Circuit...
ISX12/ISX11.9 CM2250 Fault Code: 1866 | SPN: 411 | FMI: 2Exhaust Gas Recirculation Differential Pressure – Data Erratic, Intermittent, or Incorrect
Overview CODE REASON EFFECT Fault Code: 1866PID: P411SPN: 411FMI: 2/2LAMP: AmberSRT: An error in the EGR delta pressure signal was detected at initial key ON or the sensor failed the autozero test. Possible reduced engine performance....
ISX12/ISX11.9 CM2250 Fault Code: 1712 | SPN: 3363 | FMI: 18Aftertreatment 1 Diesel Exhaust Fluid Tank Heater – Data Valid But Below Normal Operating Range – Moderately Severe Level
Overview CODE REASON EFFECT Fault Code: 1712PID: SPN: 3363FMI: 1/18LAMP: AmberSRT: The aftertreatment diesel exhaust fluid tank heater is unable to thaw the frozen diesel exhaust fluid. Possible reduced engine performance. Circuit...
ISX12/ISX11.9 CM2250 Fault Code: 1694 | SPN: 3226 | FMI: 2Aftertreatment 1 Outlet NOx Sensor – Data Erratic, Intermittent, or Incorrect
Overview CODE REASON EFFECT Fault Code: 1694PID: SPN: 3226FMI: 2/2LAMP: AmberSRT: An incorrect NOx sensor reading has been detected by the aftertreatment outlet NOx sensor. Possible reduced engine performance. Circuit Description The...
ISX12/ISX11.9 CM2250 Fault Code: 1691 | SPN: 5298 | FMI: 18Aftertreatment 1 Diesel Oxidation Catalyst Conversion Efficiency – Data Valid But Below Normal Operating Range – Moderately Severe Level
Overview CODE REASON EFFECT Fault Code: 1691PID: S380SPN: 5298FMI: 1/18LAMP: AmberSRT: The temperature increase across the aftertreatment diesel oxidation catalyst is lower than expected. Possible frequent need for aftertreatment...
ISX12/ISX11.9 CM2250 Fault Code: 1684 | SPN: 3363 | FMI: 4Aftertreatment 1 Diesel Exhaust Fluid Tank Heater – Voltage Below Normal or Shorted to Low Source
Overview CODE REASON EFFECT Fault Code: 1684PID: SPN: 3363FMI: 4/4LAMP: AmberSRT: Low signal voltage detected at the aftertreatment diesel exhaust fluid tank heater circuit. Possible reduced engine performance. Circuit Description The...
ISX12/ISX11.9 CM2250 Fault Code: 1683 | SPN: 3363 | FMI: 3Aftertreatment 1 Diesel Exhaust Fluid Tank Heater – Voltage Above Normal or Shorted to High Source
Overview CODE REASON EFFECT Fault Code: 1683PID: SPN: 3363FMI: 3/3LAMP: AmberSRT: High signal voltage detected at the aftertreatment diesel exhaust fluid tank heater circuit. Possible reduced engine performance. Circuit Description The...
ISX12/ISX11.9 CM2250 Fault Code: 1682 | SPN: 3362 | FMI: 31Aftertreatment 1 Diesel Exhaust Fluid Dosing Unit Input Lines – Condition Exists
Overview CODE REASON EFFECT Fault Code: 1682PID: SPN: 3362FMI: 11/31LAMP: AmberSRT: The aftertreatment diesel exhaust fluid dosing unit is unable to prime. Possible reduced engine performance. Circuit Description The diesel exhaust fluid...
ISX12/ISX11.9 CM2250 Fault Code: 1681 | SPN: 3361 | FMI: 12Aftertreatment 1 Diesel Exhaust Fluid Dosing Unit – Bad Intelligent Device or Component
Overview CODE REASON EFFECT Fault Code: 1681PID: SPN: 3361FMI: 12/12LAMP: AmberSRT: An internal error has been detected in the aftertreatment diesel exhaust fluid dosing unit. Possible reduced engine performance. Circuit Description The...
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