AutoCodes – Ford – P1550 2009 Ford Fusion

P1550 2009 Ford Fusion Code - Power Steering Pressure Sensor Malfunction

Quick Answer

The Power Steering Pressure (PSP) sensor input signal to the Powertrain Control Module (PCM) is continuously monitored. Common causes include Faulty Power Steering Pressure (PSP), PSP harness is open or shorted, PSP circuit poor electrical connection. Severity is Moderate - service should be scheduled soon. The vehicle may still be drivable for short trips if it runs normally, but avoid hard driving and repair it soon.

What it means
P1550 2009 Ford Fusion indicates Power Steering Pressure Sensor Malfunction.
Common causes
Common causes include Faulty Power Steering Pressure (PSP), PSP harness is open or shorted, PSP circuit poor electrical connection.
Severity
Moderate - service should be scheduled soon.
Can I drive?
The vehicle may still be drivable for short trips if it runs normally, but avoid hard driving and repair it soon.
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Code Popularity 2,111
How popular is this code, among other codes? Low
Table of contents Created and updated by William Orellana on Aug 29, 2019
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Code P1550 2009 Ford Fusion Description

The Power Steering Pressure (PSP) sensor input signal to the Powertrain Control Module (PCM) is continuously monitored. The test fails when the signal falls out of a maximum or minimum calibrated range.
OBDII Code P1550 2009 Ford Fusion - Power Steering Pressure Sensor Malfunction - AutoCodes.com
P1550 2009 Ford Fusion Code - Power Steering Pressure Sensor Malfunction

What are the Possible Causes of the DTC P1550 2009 Ford Fusion?

  • Faulty Power Steering Pressure (PSP)
  • PSP harness is open or shorted
  • PSP circuit poor electrical connection
  • Faulty Powertrain Control Module (PCM)

How to Fix the DTC P1550 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 P1550 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 P1550 2009 Ford Fusion code?

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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 P1550 2009 Ford Fusion Code

What does the OBDII code P1550 mean on a 2009 Ford Fusion?

The P1550 code indicates a malfunction with the power steering pressure sensor, which monitors hydraulic pressure in the power steering system.

What are the symptoms of the P1550 code in a 2009 Ford Fusion?

Common symptoms include a power steering warning light, increased steering effort, inconsistent steering assist, or a lack of power steering.

What causes the P1550 code on a 2009 Ford Fusion?

This code is typically caused by a faulty power steering pressure sensor, wiring issues like damaged or corroded connections, or a problem in the power steering system itself.

Can I still drive my 2009 Ford Fusion with the P1550 code?

While the car may still be drivable, steering could become difficult or unsafe, especially at lower speeds. It's best to address the issue promptly.

How do you diagnose the P1550 code in a 2009 Ford Fusion?

Diagnosis involves scanning for codes, inspecting the wiring and connectors for damage, testing the power steering pressure sensor, and checking the power steering system for issues.

What is the power steering pressure sensor's function in the 2009 Ford Fusion?

The sensor monitors hydraulic pressure in the power steering system and informs the engine control module to adjust engine performance as needed.

How much does it cost to fix the P1550 code in a 2009 Ford Fusion?

Repair costs vary but may range from $100 to $300, depending on whether the issue is with the sensor, wiring, or other components.

Can a P1550 code cause other problems if ignored?

Yes, ignoring this code can lead to further wear on the power steering system and potential safety issues due to impaired steering.

How do you fix the P1550 code on a 2009 Ford Fusion?

Fixes may include replacing the power steering pressure sensor, repairing or replacing damaged wiring, or addressing issues in the power steering system.

Will clearing the code solve the problem?

Clearing the code will only remove the warning temporarily; the underlying issue must be fixed to prevent the code from returning.

Discuss the causes and fixes for P1550 2009 Ford Fusion OBDII Code

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