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19 August, 2025

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Cummins X12 CM2350 X119B (2018 & Newer) Fault Code: 415 PID: PID 100 SPN: 100 FMI: 1 Engine Oil Rifle Pressure- Data Valid But Below Normal Operational Range- Most Severe Level

Circuit DescriptionAn engine oil pressure switch or oil pressure sensor is used by the engine control module (ECM) to monitor...

19 August, 2025

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Cummins X12 CM2350 X119B (2018 & Newer) Fault Code: 4151 PID: SPN: 5742 FMI: 9 Aftertreatment Diesel Particulate Filter Temperature Sensor Module- Abnormal Update Rate

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

19 August, 2025

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Cummins X12 CM2350 X119B (2018 & Newer) Fault Code: 4152 PID: SPN: 5743 FMI: 9 Aftertreatment Selective Catalytic Reduction Temperature Sensor Module- Abnormal Update Rate

Circuit DescriptionThe aftertreatment SCR (selective catalytic reduction) temperature sensor module is a smart device that communicates with the engine control...

19 August, 2025

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Cummins X12 CM2350 X119B (2018 & Newer) Fault Code: 4153 PID: SPN: 7321 FMI: 3 Aftertreatment 1 Particulate Sensor Heater High Side Driver Circuit- Voltage Above Normal or Shorted to High Source

Circuit DescriptionThe aftertreatment particulate matter sensor is a smart device and communicates with the engine control module (ECM) via the...

19 August, 2025

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Cummins X12 CM2350 X119B (2018 & Newer) Fault Code: 4154 PID: SPN: 7323 FMI: 4 Aftertreatment 1 Particulate Sensor Heater Low Side Driver Circuit- Voltage Below Normal or Shorted to Low Source

Circuit DescriptionThe aftertreatment particulate matter sensor is a smart device and communicates with the engine control module (ECM) via the...

19 August, 2025

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Cummins X12 CM2350 X119B (2018 & Newer) Fault Code: 4155 PID: SPN: 5746 FMI: 3 Aftertreatment 1 Diesel Exhaust Fluid Dosing Unit Heater Relay Circuit- Voltage Above Normal or Shorted to High Source

Circuit DescriptionThe aftertreatment diesel exhaust fluid dosing unit heater relay is used to provide power to the aftertreatment diesel exhaust...

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