PACCAR MX (2004 Emissions) Fault Code: U1901 CAN – Message (DPFC2) Rate Too High from Aftertreatment System

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  PACCAR PX-9 CM2350 (2013-17) Fault Code1938 PID:SID 212 SPN:3597 FMI:1 ECU Power Output Supply Voltage 1 – Data Valid But Below Normal Operational Range – Moderately Severe Level

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  PACCAR PX-9 CM2350 (2013-17) Fault Code:1924 PID:SID 334 SPN:3482 FMI:4 Aftertreatment Fuel Shutoff Valve Circuit – Voltage Below Normal or Shorted to Low Source

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  PACCAR PX-9 CM2350 (2013-17) Fault Code:1887 PID:2202 SPN:3226 FMI:4 Aftertreatment 1 Outlet NOx Sensor Circuit – Voltage Below Normal or Shorted to Low Source

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  PACCAR PX-9 CM2350 (2013-17) Fault Code:1922 PID:SID 324 SPN:3251 FMI:0 Aftertreatment Diesel Particulate Filter Differential Pressure – Data Valid But Above Normal Operating Range – Most Severe Level

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  PACCAR PX-9 CM2350 (2013-17) Fault Code:1921 PID:SID 324 SPN:3251 FMI:16 Aftertreatment Diesel Particulate Filter Differential Pressure – Data Valid But Above Normal Operating Range – Moderately Severe Level

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  PACCAR PX-9 CM2350 (2013-17) Fault Code:1942 PID:101 SPN:101 FMI:2 Crankcase Pressure – Data Erratic, Intermittent, or Incorrect

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  PACCAR PX-9 CM2350 (2013-17) Fault Code:1881 PID:SID 324 SPN:3251 FMI:4 Aftertreatment Diesel Particulate Filter Differential Pressure Sensor Circuit – Voltage Below Normal or Shorted to Low Source

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  PACCAR PX-9 CM2350 (2013-17) Fault Code:1925 PID:SID 334 SPN:3482 FMI:2 Aftertreatment Fuel Shutoff Valve – Data Erratic, Intermittent, or Incorrect

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  PACCAR PX-9 CM2350 (2013-17) Fault Code:187 PID:SID 211 SPN:3510 FMI:4 Sensor Supply 2 Circuit – Voltage Below Normal or Shorted to Low Source

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  PACCAR PX-9 CM2350 (2013-17) Fault Code:1963 PID:SID 332 SPN:3482 FMI:7 Aftertreatment Fuel Shutoff Valve – Mechanical System Not Responding or Out of Adjustment

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  PACCAR PX-9 CM2350 (2013-17) Fault Code:195 PID:111 SPN:111 FMI:3 Coolant Level Sensor 1 Circuit – Voltage Above Normal or Shorted to High Source

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  PACCAR PX-9 CM2350 (2013-17) Fault Code:1943 PID:SID 372 SPN:3555 FMI:17 Ambient Air Density – Data Valid But Below Normal Operational Range – Least Severe Level

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