AutoCodes – Ford – P0453 2009 Ford Fusion

P0453 2009 Ford Fusion Code - EVAP Pressure Sensor/Switch High

Quick Answer

The Powertrain Control Module (PCM) monitors the evaporative emission (EVAP) control system fuel tank pressure (FTP) sensor input signal to the PCM. Common causes include Faulty Fuel Tank Pressure Sensor, Fuel Tank Pressure Sensor Harness is Open or Shorted, Fuel Tank Pressure Sensor Circuit Poor Electrical 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: P0453 2009 Ford Fusion indicates EVAP Pressure Sensor/Switch High.
Common causes: Common causes include Faulty Fuel Tank Pressure Sensor, Fuel Tank Pressure Sensor Harness is Open or Shorted, Fuel Tank Pressure Sensor Circuit Poor Electrical 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.

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Code Popularity 2,666

How popular is this code, among other codes? Low

Repair Importance Level

Low (Monitor) (1 / 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
Possible Causes
How To Fix
Cost to Diagnose
FAQs
Comments
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Code P0453 2009 Ford Fusion Description

The Powertrain Control Module (PCM) monitors the evaporative emission (EVAP) control system fuel tank pressure (FTP) sensor input signal to the PCM. The test fails when the signal average jumps above a minimum allowable calibrated parameter.

OBDII Code P0453 2009 Ford Fusion - EVAP Pressure Sensor/Switch High - AutoCodes.com — P0453 2009 Ford Fusion Code - EVAP Pressure Sensor/Switch High

What does this mean?

What are the Possible Causes of the DTC P0453 2009 Ford Fusion?

Faulty Fuel Tank Pressure Sensor
Fuel Tank Pressure Sensor Harness is Open or Shorted
Fuel Tank Pressure Sensor Circuit Poor Electrical Connection
Faulty Engine Control Module (ECM)

How to Fix the DTC P0453 2009 Ford Fusion?

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 is the Cost to Diagnose the Code?

Labor: 1.0

To diagnose the P0453 2009 Ford Fusion 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 P0453 2009 Ford Fusion code?

Need more information on how to fix the P0453 2009 Ford Fusion code? Get Access to Factory Service Manuals

Need Help with the Code?

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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.

Frequently Asked Questions about P0453 2009 Ford Fusion Code

1. What are common symptoms of OBDII code P0453 in a 2009 Ford Fusion?

- Common symptoms include the check engine light coming on, decreased fuel efficiency, and potential issues with the vehicle's emission system.

2. What does the OBDII code P0453 for a 2009 Ford Fusion indicate?

- The code P0453 indicates a high voltage signal from the EVAP pressure sensor/switch in the vehicle's evaporative emission control system.

3. What are possible causes of OBDII code P0453 in a 2009 Ford Fusion?

- Potential causes include a faulty EVAP pressure sensor/switch, damaged wiring or connectors in the EVAP system, or a malfunctioning PCM (powertrain control module).

4. How can I diagnose the cause of OBDII code P0453 in my 2009 Ford Fusion?

- Diagnosing the issue may involve checking the EVAP pressure sensor/switch, inspecting the wiring and connectors for damage, and using a scan tool to monitor sensor readings.

5. Can I drive my 2009 Ford Fusion with OBDII code P0453?

- It is generally safe to drive the vehicle with code P0453, but it is recommended to have the issue diagnosed and repaired to prevent potential damage to the emission system.

6. How can I repair OBDII code P0453 in my 2009 Ford Fusion?

- Repairing the code may involve replacing the EVAP pressure sensor/switch, repairing damaged wiring or connectors, or resetting the PCM after fixing the issue.

7. Will resetting the check engine light fix OBDII code P0453 in my 2009 Ford Fusion?

- Simply resetting the check engine light may temporarily clear the code, but it will likely return if the underlying issue causing the code is not addressed.

8. Is it necessary to take my 2009 Ford Fusion to a mechanic for OBDII code P0453 repair?

- While some DIY enthusiasts may be able to diagnose and repair the issue themselves, it is recommended to consult a mechanic for proper diagnosis and repair of code P0453.

9. Can a loose gas cap trigger OBDII code P0453 in a 2009 Ford Fusion?

- A loose or faulty gas cap can cause an EVAP system leak and trigger code P0453, so it is recommended to check the gas cap as a potential simple fix for the issue.

10. How can I prevent OBDII code P0453 from recurring in my 2009 Ford Fusion?

- Regular maintenance of the EVAP system, checking for loose gas caps, and addressing any issues with the emission control system promptly can help prevent code P0453 from recurring.