PACCAR MX (2004 Emissions) Fault Code: P2228 Internal ECU Ambient Pressure – Malfunction SET CONDITIONS:The PCI ECU (D420) detects that...

PACCAR MX (2004 Emissions) Fault Code: P2229 Internal ECU Ambient Pressure – Malfunction SET CONDITIONS:The PCI ECU (D420) detects that...

PACCAR MX (2004 Emissions) Fault Code: P222C Internal ECU Ambient Pressure – Internal Error SET CONDITIONS:The PCI ECU (D420) detects...

PACCAR MX (2004 Emissions) Fault Code: P222D Internal ECU Ambient Pressure – Internal Error SET CONDITIONS:The PCI ECU (D420) detects...

PACCAR MX (2004 Emissions) Fault Code: P2238 Lambda – Current Too Low on ECU (D420) Pin (C45) SET CONDITIONS:The PCI...

PACCAR MX (2004 Emissions) Fault Code: P2239 Lambda – Current Too High on ECU (D420) Pin (C45) SET CONDITIONS:The PCI...