AutoCodes – Infiniti – P0462 Infiniti

P0462 Infiniti Code - Fuel Level Sensor Circuit Low Input

Quick Answer

The fuel level sensor is mounted in the fuel level sensor unit. Common causes include Faulty fuel level sensor, Fuel level sensor harness is open or shorted, Fuel level sensor circuit poor electrical connection. Severity is High - diagnose this code as soon as possible. Driving is not recommended if the warning light is flashing, the engine runs poorly, or safety-related symptoms are present.

What it means: P0462 Infiniti indicates Fuel Level Sensor Circuit Low Input.
Common causes: Common causes include Faulty fuel level sensor, Fuel level sensor harness is open or shorted, Fuel level sensor circuit poor electrical connection.
Severity: High - diagnose this code as soon as possible.
Can I drive?: Driving is not recommended if the warning light is flashing, the engine runs poorly, or safety-related symptoms are present.

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Code Popularity 40,586

How popular is this code, among other codes? Medium

Repair Importance Level

Urgent (Diagnose now) (3 / 3)

Repair Difficulty Level

Advanced (Pro) (3 / 3)

What is this?

Table of contents Created and updated by William Orellana on Jun 14, 2020

Description
Step-by-Step Diagnostic Guide
Possible Causes
How To Fix
Tech Notes
Cost to Diagnose
Comments
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Code P0462 Infiniti Description

The fuel level sensor is mounted in the fuel level sensor unit. The sensor detects a fuel level in the fuel tank and transmits a signal to the Engine Control Module (ECM). The fuel level sensor consists of two parts, one is mechanical float and the other side is variable resistor. The fuel level sensor output voltage changes depending on the movement of the fuel mechanical float.

OBDII Code P0462 Infiniti - Fuel Level Sensor Circuit Low Input - AutoCodes.com — P0462 Infiniti Code - Fuel Level Sensor Circuit Low Input

What does this mean?

What are the Possible Causes of the DTC P0462 Infiniti?

Faulty fuel level sensor
Fuel level sensor harness is open or shorted
Fuel level sensor circuit poor electrical connection

How to Fix the DTC P0462 Infiniti?

Review the 'Possible Causes' above and visually examine the corresponding wiring harness and connectors. Check for damaged components and inspect connector pins for signs of being broken, bent, pushed out, or corroded.

What does this mean?

Code Tech Notes

Low fuel level can trigger this code. Before replacing any parts try filling up the fuel tank and erasing the engine code. If the problem persists it may be necessary to replaced the fuel level sensor.

What is the Cost to Diagnose the Code?

Labor: 1.0

To diagnose the P0462 Infiniti code, it typically requires 1.0 hour of labor. Rates vary by location, vehicle, and shop. Many shops charge between $80–$150 per hour; dealerships and metro areas may be higher, independents may be lower.

Need more information about the P0462 Infiniti code?

Need more information on how to fix the P0462 Infiniti code? Get Access to Factory Service Manuals

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Information for Specific Infiniti Models

P0462 2003 Infiniti G35 — Fuel Level Sensor Circuit Low Input
P0462 2004 Infiniti G35 — Fuel Level Sensor Circuit Low Input
P0462 2005 Infiniti G35 — Fuel Level Sensor Circuit Low Input
P0462 2006 Infiniti G35 — Fuel Level Sensor Circuit Low Input

About the author: William Orellana is a Master Mechanic and Mechanical Engineer with over 30 years of experience diagnosing and repairing vehicles. Learn more about his background.