P0462 OBD II Trouble Code Fuel Level Sensor Circuit Low Input

Symptoms of P0462 OBD II Trouble Code

  • Malfunction Indicator Lamp (MIL) illuminated
  • Decrease in perceived fuel economy
  • Decrease in Distance to Empty mileage
  • Incorrect fuel level on gauge in instrument cluster ? always reads wrong

Common Causes of P0462 OBD II Trouble Code

  • Short to ground in the signal circuit to the FLS sensor- possible
  • Failed FLS Sensor / internally shorted - likely
  • Failed PCM - unlikely

Severity of P0462 OBD II Trouble Code

Severity usually not as severe. Because it is an electrical failure, the PCM can compensate for it. The compensation usually means that the fuel gauge reads Empty or Full all the time.