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PACCAR MX (2004 Emissions) Fault Code: P0473 Exhaust Gas Pressure Before Turbine - Voltage Too High or Short Circuit to Supply on ECU (D420) Pin (C83)

PACCAR MX (2004 Emissions) Fault Code: P0472 Exhaust Gas Pressure Before Turbine - Voltage Too Low or Short Circuit to Ground on ECU (D420) Pin (C83)

PACCAR MX (2004 Emissions) Fault Code: P0480 Electronically Controlled Fan - Current Too Low or Open Circuit on ECU (D420) Pin (C74)

PACCAR MX (2004 Emissions) Fault Code: P0493 Fan Speed Control - Incorrect

PACCAR MX (2004 Emissions) Fault Code: P0486 EGR Pressure Difference - Data Erratic, Intermittent, or Incorrect at Ignition On

PACCAR MX (2004 Emissions) Fault Code: P0502 Vehicle Speed Sensor - Voltage Too Low or Short Circuit to Ground on ECU (D420) Pin (B40)

PACCAR MX (2004 Emissions) Fault Code: P0501 Vehicle Speed Sensor - Data Erratic, Intermittent, or Incorrect

PACCAR MX (2004 Emissions) Fault Code: P0503 Vehicle Speed Sensor - Out of Range

PACCAR MX (2004 Emissions) Fault Code: P0522 Engine Oil Pressure - Voltage Too Low or Short Circuit to Ground on ECU (D420) Pin (C84)

PACCAR MX (2004 Emissions) Fault Code: P0513 Immobilizer - Not Matched