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PACCAR MX (2004 Emissions) Fault Code: P1658 PCI ECU - Internal Error

PACCAR MX (2004 Emissions) Fault Code: P1674 PCI ECU - Software Error

PACCAR MX (2004 Emissions) Fault Code: P1675 PCI ECU - Software Error

PACCAR MX (2004 Emissions) Fault Code: P1676 PCI ECU - Software Error

PACCAR MX (2004 Emissions) Fault Code: P1677 PCI ECU - Software Error

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

PACCAR MX (2004 Emissions) Fault Code: P1681 PCI ECU - Software Error

PACCAR MX (2004 Emissions) Fault Code: P1679 PCI ECU - Internal Error

PACCAR MX (2004 Emissions) Fault Code: P1682 Engine Oil Level - Current Too Low or Open Circuit on ECU (D420) Pin (B35)

PACCAR MX (2004 Emissions) Fault Code: P1687 Starter Motor - Voltage Too High or Short Circuit to Supply on ECU (D420) Pin (B16)