PACCAR MX (2004 Emissions) Fault Code: P1678 PCI ECU – Software Error SET CONDITIONS:Programmed data in the ECU not correct....

PACCAR MX (2004 Emissions) Fault Code: P1679 PCI ECU – Internal Error SET CONDITIONS:Programmed data in the ECU not correct....

PACCAR MX (2004 Emissions) Fault Code: P1681 PCI ECU – Software Error SET CONDITIONS:Programmed data in the ECU not correct....

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

PACCAR MX (2004 Emissions) Fault Code: P1687 Starter Motor – Voltage Too High or Short Circuit to Supply on ECU...

PACCAR MX (2004 Emissions) Fault Code: P1688 Starter Motor – Voltage Too Low or Short Circuit to Ground on ECU...