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16 August, 2025

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Cummins X15 CM2350 X116B Performance Series (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...

16 August, 2025

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Cummins X15 CM2350 X116B Performance Series (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...

16 August, 2025

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Cummins X15 CM2350 X116B Performance Series (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...

16 August, 2025

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Cummins X15 CM2350 X116B Performance Series (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...

16 August, 2025

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Cummins X15 CM2350 X116B Performance Series (2018 & Newer) Fault Code: 4156 PID: SPN: 5746 FMI: 4 Aftertreatment 1 Diesel Exhaust Fluid Dosing Unit Heater Relay Circuit- Voltage Below Normal or Shorted to Low Source

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

16 August, 2025

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Cummins X15 CM2350 X116B Performance Series (2018 & Newer) Fault Code: 4157 PID: SPN: 4376 FMI: 7 Aftertreatment Diesel Exhaust Fluid Return Valve- Mechanical System Not Responding or Out of Adjustment

Circuit DescriptionThe aftertreatment diesel exhaust fluid return valve is used to purge the aftertreatment diesel exhaust fluid dosing system. When...

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