PACCAR MX (2004 Emissions) Fault Code: P1105 Engine Protection System – Approaching Engine Shutdown

PACCAR MX (2004 Emissions) Fault Code: P1105 Engine Protection System – Approaching Engine Shutdown

SET CONDITIONS:
This DTC becomes active if the DTC from which it originates has been active for a certain time.

CORRESPONDING OBD READINESS MONITOR:
None

RESET CONDITION:
This DTC becomes inactive as soon as the DTC from which it originates has become inactive.

REPAIR VERIFICATION:
1. Clear all DTCs.
2. Test drive or operate the vehicle to meet the diagnostic conditions and set conditions.
3. Did the DTC come back?
– No, repair successful
– Yes, repair unsuccessful

ADDITIONAL INFORMATION:
IMPORTANT: Do not troubleshoot this DTC since it originates from another active DTC.

1. This DTC activates an upcoming engine shutdown warning for the driver.

2. This DTC is part of the engine protection system and can become active simultaneously with an active DTC related to:
– Low oil pressure
– High coolant temperature
– High oil temperature
– High intercooler temperature
– Low coolant level
– Low/high PCI ECU power supply
– High aftertreatment system temperatures