GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 Chevrolet 🢒 1999 🢒 Chevy P32 RV/Van Chassis 🢒 DTC 🢒 DTC P0219 Engine Overspeed

Object Number: 439253 Size: MF
Engine Controls Components
Cell 22: Engine Shutoff Solenoid, Fuel Solenoid Driver
OBD II Symbol Description Notice
Handling ESD Sensitive Parts Notice

Circuit Description

The PCM has the ability to put the vehicle in an ESO 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
    • A History DTC will clear after forty consecutive warm-up cycles, if this or any other emmision related diagnostic does not report any failures.
    • Use of a scan tool will clear the DTC codes.

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 step number(s) on the Diagnostic Table.

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

Step

Action

Value(s)

Yes

No

1

Important: Before clearing any DTCs, use the scan tool Capture Info to save the Freeze Frame and Failure Records for reference. The control module's data is deleted once the Clear Info function is used.

Did you perform the Powertrain On-Board Diagnostic (OBD) System Check?

--

Go to Step 2

Go to Powertrain On Board Diagnostic (OBD) System Check

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?

--

Go to Step 3

--

3
  1. Using the scan tool, clear the DTCs.
  2. Start the engine.
  3. Allow the engine to idle until the engine reaches normal operating temperature.
  4. Select DTC and the Specific DTC function.
  5. Enter the DTC number which was set.
  6. Operate the vehicle, with the Conditions for Setting this DTC, until the scan tool indicates the diagnostic Ran.

Does the scan tool indicate the diagnostic Passed?

--

Go to Step 4

Go to Step 2

4

Does the scan tool display any additional undiagnosed DTCs?

--

Go to the applicable DTC table

System OK