DTC P0464: Fuel Level Sensor Circuit - Intermittent Problem: Condition
WARNING: This page is about a different car, the 2003 Suzuki XL-7. However, it is still accessible from the selected car via links, so may be relevant.
DTC P0464 is set when ECM detects fuel level sensor output signal noise is out of specification. MIL is illuminated when ECM detects malfunction during 2 consecutive drive cycles.