DTC P0461: Fuel Level Unit No Change Over Time: Description

Fuel level sending unit may also be referred to as fuel level sensor. Fuel level sensor is monitored with ignition on and battery voltage is more than 10.4 volts. DTC will set in Powertrain Control Module (PCM) memory when PCM senses fuel level sensor voltage is 9.56-9.90 volts for more than 255 seconds. Possible causes for DTC to set are: defective fuel level sensor, defective connectors or defective wiring.