PACCAR MX (2004 Emissions) Fault Code: P109C Common Rail Pressure Release Valve – Current Too Low or Open Circuit on ECU (D420) Pin (C4)
PACCAR MX (2004 Emissions) Fault Code: P109C Common Rail Pressure Release Valve – Current Too Low or Open Circuit on ECU (D420) Pin (C4)
POSSIBLE CAUSES:
No repairs are necessary.
ADDITIONAL INFORMATION:
Do not troubleshoot this DTC.
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SERVICE MANUAL Eaton Fuller – Autoshift, Autoselect Service Manual (TRSM-0050)
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