P0230
DTC P0230
Circuit Description
The control module enables the fuel pump relay when the ignition switch is turned ON. The control module will disable the fuel pump relay within 2 seconds unless the control module detects ignition reference pulses. The control module continues to enable the fuel pump relay as long as ignition reference pulses are detected. The control module disables the fuel pump relay within 2 seconds if ignition reference pulses cease to be detected and the ignition remains ON.
The control module monitors the voltage on the fuel pump relay control circuit. If the control module detects an incorrect voltage on the fuel pump relay control circuit, a fuel pump relay control DTC sets.
DTC Descriptor
This diagnostic procedure supports the following DTC:
DTC P0230 Fuel Pump Relay Control Circuit
Conditions for Running the DTC
* The ignition is ON.
* The ignition voltage is between 11-18 volts.
* DTC P0230 runs continuously once the above conditions are met.
Conditions for Setting the DTC
* The control module detects that the commanded state of the driver and the actual state of the control circuit do not match.
* The above condition is met for more than 2 seconds.
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.
Test
