DTC Parameters
WARNING: This page is about a different car, the 2002 Saturn LW300 and 2002 Saturn L300. However, it is still accessible from the selected car via links, so may be relevant.
- Battery voltage between 7.5-15.0 volts.
- Engine is cranking.
- Condition exists for more than 250 microseconds.
DTC sets when fuel pump relay control feedback voltage at ECM is between 2.6-4.6 volts for more than 0.5 second, indicating an open circuit during the 250 microsecond test phase when fuel pump is commanded OFF.