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ISX12/ISX11.9 CM2250 Fault Code: 3545 | SPN: 3226 | FMI: 10Aftertreatment 1 Outlet NOx Sensor – Abnormal Rate of Change
Overview CODE REASON EFFECT Fault Code: 3545PID: SPN: 3226FMI: 10/10LAMP: AmberSRT: The aftertreatment outlet NOx sensor reading is not valid. None on performance. Circuit Description The aftertreatment outlet NOx (nitrogen oxides)...
ISX12/ISX11.9 CM2250 Fault Code: 3543 | SPN: 4094 | FMI: 31NOx Limits Exceeded Due to Insufficient Reagent Quality – Condition Exists
Overview CODE REASON EFFECT Fault Code: 3543PID: SPN: 4094FMI: 11/31LAMP: AmberSRT: The diesel exhaust fluid quality is not sufficient enough to provide adequate NOx reduction. Possible reduced engine performance. Circuit Description The...
ISX12/ISX11.9 CM2250 Fault Code: 3498 | SPN: 1761 | FMI: 18Aftertreatment 1 Diesel Exhaust Fluid Tank Level – Data Valid But Below Normal Operating Range – Moderately Severe Level
Overview CODE REASON EFFECT Fault Code: 3498PID: SPN: 1761FMI: 1/18LAMP: MaintenanceSRT: The aftertreatment diesel exhaust fluid tank level is very low. None on performance. Circuit Description The aftertreatment diesel exhaust fluid level...
ISX12/ISX11.9 CM2250 Fault Code: 3497 | SPN: 1761 | FMI: 17Aftertreatment 1 Diesel Exhaust Fluid Tank Level – Data Valid But Below Normal Operating Range – Least Severe Level
Overview CODE REASON EFFECT Fault Code: 3497PID: SPN: 1761FMI: 1/17LAMP: MaintenanceSRT: The aftertreatment diesel exhaust fluid tank level is low. None on performance. Circuit Description The aftertreatment diesel exhaust fluid level...
ISX12/ISX11.9 CM2250 Fault Code: 3495 | SPN: 3711 | FMI: 31Diesel Particulate Filter Active Regeneration Inhibited Due to Low Exhaust Gas Temperature – Condition Exists
Overview CODE REASON EFFECT Fault Code: 3495PID: SPN: 3711FMI: 11/31LAMP: AmberSRT: The diesel oxidation catalyst intake temperature is not high enough to actively regenerate the diesel particulate filter. None on performance. Circuit...
ISX12/ISX11.9 CM2250 Fault Code: 3429 | SPN: 4346 | FMI: 5Aftertreatment Diesel Exhaust Fluid Line Heater 4 Circuit – Current Below Normal or Open Circuit
Overview CODE REASON EFFECT Fault Code: 3429PID: SPN: 4346FMI: 5/5LAMP: AmberSRT: Open circuit or short circuit to ground detected in the diesel exhaust fluid line heater 4. Possible reduced engine performance. Circuit Description The...
ISX12/ISX11.9 CM2250 Fault Code: 3426 | SPN: 4346 | FMI: 3Aftertreatment Diesel Exhaust Fluid Line Heater 4 Circuit – Voltage Above Normal or Shorted to High Source
Overview CODE REASON EFFECT Fault Code: 3426PID: SPN: 4346FMI: 3/3LAMP: AmberSRT: High signal voltage detected at the diesel exhaust fluid line heater 4 circuit. Possible reduced engine performance. Circuit Description The aftertreatment...
ISX12/ISX11.9 CM2250 Fault Code: 3425 | SPN: 4344 | FMI: 5Aftertreatment 1 Diesel Exhaust Fluid Line Heater 3 Circuit – Current Below Normal or Open Circuit
Overview CODE REASON EFFECT Fault Code: 3425PID: SPN: 4344FMI: 5/5LAMP: AmberSRT: Open circuit detected in the diesel exhaust fluid line heater 3. Possible reduced engine performance. Circuit Description The aftertreatment diesel exhaust...
ISX12/ISX11.9 CM2250 Fault Code: 3383 | SPN: 3058 | FMI: 16Engine Exhaust Gas Recirculation (EGR) System – Data Valid But Above Normal Operating Range – Moderately Severe Level
Overview CODE REASON EFFECT Fault Code: 3383PID: SPN: 3058FMI: 0/16LAMP: AmberSRT: Measured EGR flow is higher than commanded. Possible reduced engine performance. Circuit Description The exhaust gas recirculation (EGR) differential...
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