P0219

CIRCUIT DESCRIPTION
The powertrain control module (PCM) has the ability to put the vehicle in an engine shut-off (ESO) solenoid controlled idle if an engine overspeed condition has been detected.

CONDITIONS FOR RUNNING THE DTC
The engine is operating.

CONDITIONS FOR SETTING THE DTC
There are 5 ESO cycles with an RPM drop.

ACTION TAKEN WHEN THE DTC SETS
^ The control module stores the DTC information into memory when the diagnostic runs and fails.
^ The malfunction indicator lamp (MIL) will not illuminate.
^ The control module records the operating conditions at the time the diagnostic fails. The control module stores this information in the Failure Records.
^ The driver information center, if equipped, may display a message.

CONDITIONS FOR CLEARING THE DTC
^ A current DTC Last Test Failed clears when the diagnostic runs and passes.
^ A history DTC clears after 40 consecutive warm-up cycles, if no failures are reported by this or any other non-emission related diagnostic.
^ Clear the DTC with a scan tool.

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

TEST DESCRIPTION

Steps 1-4:

The number below refers to the step number on the diagnostic table.
2. The injection pump is being replaced in this step.