P0462 Fuel Level Sending Unit Volts Too Low

SYMPTOM
P-0462 FUEL LEVEL SENDING UNIT VOLTS TOO LOW

WHEN MONITORED
Ignition on and battery voltage above 10.4 volts.

SET CONDITION
The fuel level sensor signal circuit voltage at the PCM goes below 0.4 volts for 4 seconds.

POSSIBLE CAUSES
- Fuel pump module defective
- PCM def
- Fuel level sensor sig ckt short to sen ground ckt
- Fuel pump module wiring harness intermittent def
- Fuel pump module wiring harness observably def
- Sensor signal circuit shorted to ground