AutoCodes – KIA – P0551 KIA

P0551 KIA Code - Power Steering Pressure Sensor Circuit Range/Performance

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
P0551 KIA indicates Power Steering Pressure Sensor Circuit Range/Performance.
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 15,326
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 P0551 KIA 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 P0551 KIA - Power Steering Pressure Sensor Circuit Range/Performance - AutoCodes.com
P0551 KIA Code - Power Steering Pressure Sensor Circuit Range/Performance

What are the Possible Causes of the DTC P0551 KIA?

  • 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 P0551 KIA?

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 P0551 KIA 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 P0551 KIA code?

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Need Help with the Code?

Get the P0551 KIA code diagnosed by a professional: Find a repair shop in your area

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 P0551 KIA Code

1. What are the common symptoms of OBDII code P0551 in a KIA related to the Power Steering Pressure Sensor Circuit Range/Performance?

- Common symptoms include stiff or difficult steering, power steering failure, illuminated power steering warning light on the dashboard, and erratic power steering assist.

2. What are the potential causes of OBDII code P0551 in a KIA?

- The potential causes of this code can be a faulty power steering pressure sensor, damaged wiring or connectors in the sensor circuit, low power steering fluid level, or a malfunctioning power steering pump.

3. How can I diagnose the OBDII code P0551 in my KIA?

- Diagnosis involves using an OBDII scanner to retrieve the code, inspecting the power steering pressure sensor and its wiring for damage or corrosion, checking the power steering fluid level, and testing the power steering pump for proper operation.

4. Can I still drive my KIA with the OBDII code P0551 present?

- It is not recommended to drive your KIA with this code present, as it can lead to power steering failure and compromise driving safety. It is best to address the issue promptly.

5. How can I repair OBDII code P0551 in my KIA?

- Repairing this code typically involves replacing the faulty power steering pressure sensor, repairing or replacing damaged wiring or connectors, ensuring the power steering fluid level is correct, and addressing any issues with the power steering pump.

6. Is it safe to reset the OBDII code P0551 in my KIA without fixing the underlying issue?

- Resetting the code without addressing the underlying issue is not recommended, as the problem will likely persist and could lead to further damage to the power steering system.

7. How much does it cost to repair OBDII code P0551 in a KIA at a dealership or a repair shop?

- The cost of repairing this code can vary depending on the exact cause of the issue, but it typically ranges from $200 to $500 at a dealership or an independent repair shop.

8. Can a DIY enthusiast fix OBDII code P0551 in a KIA at home?

- Yes, some DIY enthusiasts with the necessary tools and knowledge may be able to fix this code at home by following repair guides specific to their KIA model and being comfortable working on automotive electrical components.

9. Will OBDII code P0551 cause any long-term damage to my KIA if left unrepaired?

- Leaving this code unrepaired can potentially cause long-term damage to the power steering system, leading to more costly repairs down the line and compromising the safety and drivability of your KIA.

10. How can I prevent OBDII code P0551 from reoccurring in my KIA after repair?

- To prevent the recurrence of this code, it's essential to ensure proper maintenance of the power steering system, address any issues promptly, use high-quality replacement parts, and routinely inspect the system for any signs of wear or damage.

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