AutoCodesFord – P0552 2009 Ford Fusion

P0552 2009 Ford Fusion Code - Power Steering Pressure Sensor Circuit Low Input

Quick Answer

Power steering pressure (PSP) sensor is installed to the power steering high-pressure tube and detects a power steering load. Common causes include Faulty Power Steering Pressure Sensor, Power Steering Pressure Sensor harness is open or shorted, Power Steering Pressure Sensor 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
P0552 2009 Ford Fusion indicates Power Steering Pressure Sensor Circuit Low Input.
Common causes
Common causes include Faulty Power Steering Pressure Sensor, Power Steering Pressure Sensor harness is open or shorted, Power Steering Pressure Sensor 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 2,115
How popular is this code, among other codes? Low
Table of contents Created and updated by William Orellana on Jun 14, 2020
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Code P0552 2009 Ford Fusion Description

Power steering pressure (PSP) sensor is installed to the power steering high-pressure tube and detects a power steering load. This sensor is a potentiometer which transforms the power steering load into output voltage, and emits the voltage signal to the Engine Control Module (ECM). The ECM controls the electric throttle control actuator and adjusts the throttle valve opening angle to increase the engine speed and adjusts the idle speed for the increased load.
OBDII Code P0552 2009 Ford Fusion - Power Steering Pressure Sensor Circuit Low Input - AutoCodes.com
P0552 2009 Ford Fusion Code - Power Steering Pressure Sensor Circuit Low Input

What are the Possible Causes of the DTC P0552 2009 Ford Fusion?

  • Faulty Power Steering Pressure Sensor
  • Power Steering Pressure Sensor harness is open or shorted
  • Power Steering Pressure Sensor circuit poor electrical connection

How to Fix the DTC P0552 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 P0552 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 P0552 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 P0552 2009 Ford Fusion Code

1. What does the OBDII code P0552 mean on a 2009 Ford Fusion?

P0552 indicates a low input signal from the Power Steering Pressure Sensor Circuit to the Powertrain Control Module (PCM).

2. What are the common symptoms of code P0552?

Symptoms may include heavy or stiff steering, illuminated check engine light, and in some cases, reduced engine performance.

3. What causes the P0552 code to appear?

Common causes include a faulty power steering pressure sensor, damaged wiring or connectors, low power steering fluid, or issues with the PCM.

4. Can low power steering fluid trigger the P0552 code?

Yes, low power steering fluid can cause incorrect readings from the pressure sensor, leading to this code.

5. How can I diagnose the P0552 code?

Start by checking power steering fluid levels, inspecting wiring and connectors for damage, and testing the power steering pressure sensor with a multimeter.

6. Is it safe to drive with the P0552 code?

While the car may still be drivable, you may experience increased steering effort, which can be unsafe in certain situations. It’s best to address the issue promptly.

7. How much does it cost to fix the P0552 code?

Repair costs vary but typically range from $100 to $300 depending on whether the sensor, wiring, or another component needs replacement.

8. Can I fix the P0552 code myself?

If you have basic automotive knowledge, you can check and replace the sensor or repair damaged wiring, but more complex issues may require professional help.

9. Does the P0552 code always require sensor replacement?

No, the issue could also be related to wiring, connectors, or fluid levels. Proper diagnosis is necessary to determine the exact cause.

10. How do I reset the P0552 code after repairs?

After fixing the issue, use an OBDII scanner to clear the code. If the issue is resolved, the code should not return.

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