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P0550 2003 Infiniti G35 Code - Power Steering Pressure Sensor Circuit Malfunction

- Code Popularity: 7,337 Views
- Repair Importance Level: 2/3
- Repair Difficulty Level: 2/3
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What are the Possible Causes of the DTC P0550 2003 Infiniti G35?

NOTE: The causes shown may not be a complete list of all potential problems, and it is possible that there may be other causes.
  • Faulty Power Steering Pressure Sensor
  • Power Steering Pressure Sensor harness is open or shorted
  • Power Steering Pressure Sensor circuit poor electrical connection
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How to Fix the DTC P0550 2003 Infiniti G35?

Review the 'Possible Causes' mentioned above and visually examine the corresponding wiring harness and connectors. Ensure to check for any damaged components and inspect the connector pins for signs of being broken, bent, pushed out, or corroded.

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What is the Cost to Diagnose the Code?

Labor: 1.0

To diagnose the P0550 2003 Infiniti G35 code, it typically requires 1.0 hour of labor. The specific diagnosis time and labor rates at auto repair shops can differ based on factors such as the location, make and model of the vehicle, and even the engine type. It is common for most auto repair shops to charge between $75 and $150 per hour.

When is the Code Detected?

An excessively low or high voltage from the Power Steering Pressure Sensor is sent to Engine Control Module (ECM).

What are Code Possible Symptoms?

  • Engine Light ON (or Service Engine Soon Warning Light)
  • Power steering inoperative

Code P0550 2003 Infiniti G35 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 P0550 2003 Infiniti G35 - Power Steering Pressure Sensor Circuit Malfunction - AutoCodes.com
P0550 2003 Infiniti G35 Code - Power Steering Pressure Sensor Circuit Malfunction

Need More Information on the Code?

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