PACCAR MX (2004 Emissions) Fault Code: P0219 Engine Speed – Data Valid but Too High

PACCAR MX (2004 Emissions) Fault Code: P0219 Engine Speed – Data Valid but Too High

SET CONDITIONS:
The PCI ECU (D420) detects that the engine speed is above 2300 rpm.

DIAGNOSTIC CONDITION:
This diagnostic runs continuously when the engine is running.

CORRESPONDING OBD READINESS MONITOR:
None

RESET CONDITION:
1. This DTC changes to inactive when the fault is no longer detected.
2. This fault cannot be cleared from the ECU memory.

REPAIR VERIFICATION:
1. Contact your engine field service representative for authorization to clear the warranty DTC.
2. Clear all DTCs.
3. Test drive or operate the vehicle to meet the diagnostic conditions and set conditions.
4. Did the DTC come back? (Can be pending, inactive or active)
– No, repair successful
– Yes, repair unsuccessful

POSSIBLE CAUSES:
1. Driver operating fault.
2. External combustible drawn into the inlet path.

ADDITIONAL INFORMATION:
1. The engine speed is determined by the crankshaft sensor (F552) signal and as backup by the camshaft sensor (F558) signal.
2. Engine overspeed is detected.
3. The driver was informed by a warning.
4. This fault cannot be cleared from the ECU memory.