P0219

DTC P0219 Engine Overspeed Condition






Circuit Description

The PCM has the ability to put the vehicle in an ESO controlled idle if an engine overspeed condition has been detected. This is a type D DTC.

Conditions for Setting the DTC

5 ESO cycles with an rpm drop.

Action Taken When the DTC Sets

ESO controlled idle (the PCM will control rpm by turning the ESO "ON" and "OFF". RPM will fluctuate from 800 to 1200 when DTC is set).

Conditions for Clearing the MIL/DTC

^ A History DTC will clear when forty consecutive warm-up cycles that the diagnostic does not fail (coolant temperature has risen 5°c (40°F) from start up coolant temperature and engine coolant temperature exceeds 71°C (160°F) that same ignition cycle).
^ Use of a Scan Tool.

Diagnostic Aids

This DTC will not set if an external fuel source is causing an overspeed condition. A DTC P1216 will set along with DTC P0219

Test Description

Number(s) below refer to the number(s) on the diagnostic table.

2. The injection pump is being replaced in this step.