PACCAR MX (2004 Emissions) Fault Code: P1678 PCI ECU – Software Error

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  PACCAR PX-9 CM2350 (2013-17) Fault Code:1923 PID:SID 334 SPN:3482 FMI:3 Aftertreatment Fuel Shutoff Valve Circuit – Voltage Above Normal or Shorted to High Source

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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:1943 PID:SID 372 SPN:3555 FMI:1 Ambient Air Density – Data Valid But Below Normal Operational Range – Least Severe Level

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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 Code1927 PID:SID 332 SPN:3480 FMI:3 Aftertreatment Fuel Pressure Sensor Circuit – Voltage Above Normal or Shorted to High Source

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  PACCAR PX-9 CM2350 (2013-17) Fault Code:1885 PID:102 SPN:3216 FMI:4 Aftertreatment 1 Intake NOx Sensor Circuit – Voltage Below Normal or Shorted to Low Source

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  PACCAR PX-9 CM2350 (2013-17) Fault Code:1961 PID:SID 146 SPN:2791 FMI:15 EGR Valve Control Circuit Calculated Over Temperature – Data Valid But Above Normal Operational Range – Least Severe Level

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  PACCAR PX-9 CM2350 (2013-17) Fault Code:197 PID:111 SPN:111 FMI:1 Coolant Level – Data Valid But Below Normal Operational Range – Moderately Severe Level

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  PACCAR PX-9 CM2350 (2013-17) Fault Code197 PID:111 SPN:111 FMI:18 Coolant Level – Data Valid But Below Normal Operational Range – Moderately Severe Level

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  PACCAR PX-9 CM2350 (2013-17) Fault Code:1896 PID:SID 146 SPN:2791 FMI:13 EGR Valve Controller – Out of Calibration

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  PACCAR PX-9 CM2350 (2013-17) Fault Code:1939 PID:SID 212 SPN:3597 FMI:3 ECU Power Output Supply Voltage 1 – Voltage Above Normal or Shorted to High Source

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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 Code1926 PID:SID 332 SPN:3480 FMI:2 Aftertreatment Fuel Pressure Sensor – Data Erratic, Intermittent, or Incorrect

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  PACCAR PX-9 CM2350 (2013-17) Fault Code:195-3 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:1962 PID:SID 27 SPN:641 FMI:0 VGT Actuator Driver Over Temperature (Calculated) – Data Valid But Above Normal Operating Range – Least Severe Level

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