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Home/DTC Codes/Mazda/CX-3/2016-2021 2.0L I4/P0463
P0463

Fuel Level Sensor Circuit High Input

2016-2021 Mazda CX-3 2.0L I4

Low SeverityPowertrainGeneric (SAE)

Description

High voltage from fuel level sensor.

Symptoms

  • Gauge reads full constantly
  • DTE always showing full range

Common Causes

  • Open circuit
  • Disconnected sender
  • Corroded connector

Diagnostic Steps

  1. Test circuit voltage
  2. Check connector
  3. Test sensor resistance

Repair Notes

Repair connection or replace sender.

Related Codes

P0460Fuel Level Sensor CircuitP0462Fuel Level Sensor Circuit Low Input

Other Powertrain Codes

P0463 on Other Vehicles

Mazda 626

1993-1997 2.0L I4

Mazda 626

1993-1997 2.5L V6

Mazda 626

1998-2002 2.0L I4

Mazda 626

1998-2002 2.5L V6

Mazda Axela

2013-2019 1.5L I4 P5-VPS

Mazda Axela

2013-2019 2.2L I4 Diesel SH-VPTS

Mazda B2300

1994-1997 2.3L I4

Mazda B2300

2002-2009 2.3L I4

Common Questions

What does code P0463 mean on a 2016-2021 Mazda CX-3?

P0463 stands for "Fuel Level Sensor Circuit High Input". High voltage from fuel level sensor.

What are the symptoms of P0463 on a Mazda CX-3?

Common symptoms of P0463 include: Gauge reads full constantly, DTE always showing full range.

What causes P0463 on a 2016-2021 Mazda CX-3?

Common causes of P0463 include: Open circuit, Disconnected sender, Corroded connector.

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