Engine-CodesChevrolet – P0454 2017 Chevrolet Silverado

P0454 2017 Chevrolet Silverado Code - Fuel Tank Pressure Sensor Circuit Intermittent

Quick Answer

The P0454 diagnostic trouble code (DTC) for a 2017 Chevrolet Silverado indicates a problem with the Fuel Tank Pressure Sensor Circuit being intermittent. Common causes include Faulty fuel tank pressure sensor, Damaged wiring or connectors in the sensor circuit, Corrosion or debris in the sensor connection. Severity is Low - monitor the vehicle and repair when practical. The vehicle can usually be driven if no severe symptoms are present, but symptoms should be checked before extended driving.

What it means
P0454 2017 Chevrolet Silverado indicates Fuel Tank Pressure Sensor Circuit Intermittent.
Common causes
Common causes include Faulty fuel tank pressure sensor, Damaged wiring or connectors in the sensor circuit, Corrosion or debris in the sensor connection.
Severity
Low - monitor the vehicle and repair when practical.
Can I drive?
The vehicle can usually be driven if no severe symptoms are present, but symptoms should be checked before extended driving.
Table of contents Created and updated by William Orellana on Sep 13, 2024
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Code P0454 2017 Chevrolet Silverado Description

The P0454 diagnostic trouble code (DTC) for a 2017 Chevrolet Silverado indicates a problem with the Fuel Tank Pressure Sensor Circuit being intermittent. This sensor is responsible for monitoring the pressure inside the fuel tank and sending this information to the vehicle's engine control module (ECM). The ECM uses this data to adjust fuel delivery and emission control systems to ensure optimal performance and efficiency.

OBDII Code P0454 2017 Chevrolet Silverado - Fuel Tank Pressure Sensor Circuit Intermittent
P0454 2017 Chevrolet Silverado Code - Fuel Tank Pressure Sensor Circuit Intermittent

Common Causes of P0454 2017 Chevrolet Silverado

  1. Faulty fuel tank pressure sensor
  2. Damaged wiring or connectors in the sensor circuit
  3. Corrosion or debris in the sensor connection
  4. ECM malfunction
  5. Fuel system leaks

Symptoms of P0454 2017 Chevrolet Silverado

  1. Check engine light illuminated
  2. Poor fuel economy
  3. Rough idling or stalling
  4. Difficulty starting the vehicle
  5. Fuel odor near the vehicle

How to Fix P0454 2017 Chevrolet Silverado

  1. Use a diagnostic scan tool to retrieve the DTC and confirm the issue with the Fuel Tank Pressure Sensor Circuit.
  2. Inspect the wiring and connectors in the sensor circuit for any damage or corrosion. Repair or replace as necessary.
  3. Test the fuel tank pressure sensor using a multimeter to ensure it is functioning correctly. Replace if faulty.
  4. Clear the DTC and perform a test drive to verify that the issue has been resolved.
  5. If the problem persists, further diagnostics may be required to identify any underlying issues with the ECM or fuel system components.

Cost to Fix P0454 2017 Chevrolet Silverado

The typical repair costs for addressing a P0454 code on a 2017 Chevrolet Silverado can range from $150 to $400, including parts and labor. However, specific diagnosis time and labor rates at auto repair shops can vary based on factors such as location, vehicle make and model, and engine type. It is advisable to check local rates for a more precise estimate. Keep in mind that rates in metropolitan areas or at dealerships may be higher, while independent shops often charge less.

Tech Notes for P0454 2017 Chevrolet Silverado









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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.

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