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
5 ESO cycles with an RPM drop.
Action Taken When the DTC Sets
| • | The PCM will not illuminate the malfunction indicator lamp (MIL). |
| • | The PCM records the operating conditions at the time the diagnostic fails. This information is stored in the Failure Records. |
Conditions for Clearing the MIL/DTC
| • | The PCM will turn the MIL off after 3 consecutive trips without a fault condition. |
| • | A history DTC clears after 40 consecutive warm-up cycles, if this or any other emission related diagnostic does not report any failures. |
| • | The scan tool Clear Info function was used. |
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
The number(s) below refer to the step number(s) on the Diagnostic Table.
Step | Action | Value(s) | Yes | No |
|---|---|---|---|---|
1 |
Important: Before clearing the DTCs, use the scan tool Capture Info function to save the Freeze Frame and the Failure records for reference. The control module's data is deleted once the Clear Info function is used. Was the Powertrain On-Board Diagnostic (OBD) System Check performed? | -- | ||
2 |
Important: The new injection pump must be timed. Refer to Fuel Injection Pump Timing Adjustment . Replace the fuel injection pump. Refer to Fuel Injection Pump Replacement . Is the action complete? | -- | -- | |
3 |
Does the scan tool indicate the diagnostic Passed? | -- | ||
4 | Does the scan tool display any additional undiagnosed DTCs? | -- | Go to the applicable DTC Table | System OK |
