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18 August, 2025

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Cummins X15 CM2350 X116B Performance Series (2018 & Newer) Fault Code: 1684 PID: SPN: 3363 FMI: 4 Aftertreatment Diesel Exhaust Fluid Tank Heater- Voltage Below Normal or Shorted to Low Source

Circuit DescriptionThe aftertreatment diesel exhaust fluid tank heater keeps the diesel exhaust fluid from freezing in the diesel exhaust fluid...

18 August, 2025

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Cummins X15 CM2350 X116B Performance Series (2018 & Newer) Fault Code: 1685 PID: SPN: 3364 FMI: 4 Aftertreatment Diesel Exhaust Fluid Quality Sensor Circuit- Voltage Below Normal or Shorted to Low Source

Circuit DescriptionThe aftertreatment diesel exhaust fluid quality sensor is a smart device that communicates to the ECM via the J1939...

18 August, 2025

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Cummins X15 CM2350 X116B Performance Series (2018 & Newer) Fault Code: 1686 PID: SPN: 3364 FMI: 3 Aftertreatment Diesel Exhaust Fluid Quality Sensor Circuit- Voltage Above Normal or Shorted to High Source

Circuit DescriptionThe aftertreatment diesel exhaust fluid quality sensor is a smart device that communicates to the ECM via the J1939...

18 August, 2025

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Cummins X15 CM2350 X116B Performance Series (2018 & Newer) Fault Code: 1691 PID: SID 380 SPN: 5298 FMI: 18 Aftertreatment Diesel Oxidation Catalyst Conversion Efficiency- Data Valid But Below Normal Operating Range- Moderately Severe Level

Circuit DescriptionThe aftertreatment diesel particulate filter temperature sensor module is a smart device that communicates with the engine control module...

18 August, 2025

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Cummins X15 CM2350 X116B Performance Series (2018 & Newer) Fault Code: 1694 PID: PID 2201 SPN: 3226 FMI: 2 Aftertreatment 1 Outlet Nox Sensor- Data Erratic, Intermittent, or Incorrect

Circuit DescriptionThe aftertreatment outlet NOx (nitrogen oxides) sensor is a smart device and communicates with the engine control module (ECM)...

18 August, 2025

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Cummins X15 CM2350 X116B Performance Series (2018 & Newer) Fault Code: 1695 PID: SID 232 SPN: 3513 FMI: 3 Sensor Supply 5- Voltage Above Normal or Shorted to High Source

Circuit DescriptionThe sensor supply 5 circuit of the engine control module (ECM) provides a 5 volt supply for the aftertreatment...

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