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.
DTC P0230
| Step | Action | Yes | No |
|---|---|---|---|
| Schematic Reference: Engine Controls Schematics Connector End View Reference: Powertrain Control Module (PCM) Connector End Views or Engine Controls Connector End Views |
|||
| 1 | Did you perform the Diagnostic System Check - Vehicle? | Go to Step 2 | Go to Diagnostic System Check - Vehicle |
| 2 |
|
Go to Step 3 | Go to Step 4 |
| 3 |
|
Go to Step 4 | Go to Intermittent Conditions |
| 4 |
|
Go to Step 5 | Go to Step 6 |
| 5 |
|
Go to Step 9 | Go to Step 11 |
| 6 | Does the test lamp remain illuminated with each command? | Go to Step 8 | Go to Step 7 |
| 7 | Test the control circuit of the fuel pump relay for a short to ground or for an open. Refer to Circuit Testing
and Wiring Repairs
. Did you find and correct the condition? |
Go to Step 14 | Go to Step 10 |
| 8 | Test the control circuit of the fuel pump relay for a short to voltage. Refer to Circuit Testing
and Wiring Repairs
. Did you find and correct the condition? |
Go to Step 14 | Go to Step 10 |
| 9 | Test for an intermittent and for a poor connection at the fuel pump relay. Refer to Testing for Intermittent Conditions and Poor Connections
and Connector Repairs
. Did you find and correct the condition? |
Go to Step 14 | Go to Step 12 |
| 10 | Test for an intermittent and for a poor connection at the powertrain control module (PCM). Refer to Testing for Intermittent Conditions and Poor Connections
and Connector Repairs
. Did you find and correct the condition? |
Go to Step 14 | Go to Step 13 |
| 11 | Repair the open or high resistance in the ground circuit of the fuel pump relay. Refer to Wiring Repairs
. Did you complete the repair? |
Go to Step 14 | - |
| 12 | Replace the fuel pump relay. Did you complete the replacement? |
Go to Step 14 | - |
| 13 | Replace the PCM. Refer to Control Module References
for replacement, setup, and programming. Did you complete the replacement? |
Go to Step 14 | - |
| 14 |
|
Go to Step 2 | Go to Step 15 |
| 15 | Observe the Capture Info with a scan tool. Have any other DTCs not been diagnosed? |
Go to Diagnostic Trouble Code (DTC) List - Vehicle | System OK |