P0462: Evaporative Emission Control System Pressure Sensor Low Input / Fuel Level Sensor Circuit Low Input

MediumPowertrainFuel System

What does P0462 mean?

P0462 is a diagnostic trouble code indicating "Evaporative Emission Control System Pressure Sensor Low Input / Fuel Level Sensor Circuit Low Input". The ECU is detecting a voltage reading that is below the expected range in the fuel system circuit. This typically points to a wiring short, a faulty sensor, or a grounding issue.

Common causes

  • Damaged or corroded wiring harness
  • Loose or disconnected electrical connector
  • Failed fuel system sensor or actuator
  • Blown fuse in the related circuit
  • Poor ground connection

What should you do?

Schedule a diagnostic appointment at your earliest convenience. The vehicle is generally safe to drive short distances, but the underlying issue should be addressed to prevent it from worsening.

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Related codes

P0461Evaporative Emission Control System Pressure Sensor Range/Performance / Fuel Level Sensor Circuit Range/Performance
P0463Evaporative Emission Control System Pressure Sensor High Input / Fuel Level Sensor Circuit High Input
P0460Evaporative Emission Control System Pressure Sensor Malfunction / Fuel Level Sensor Circuit Malfunction
P0464Evaporative Emission Control System Pressure Sensor Intermittent / Fuel Level Sensor Circuit Intermittent