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P0522 2014 GMC Sierra Code - Engine Oil Pressure Sensor Circuit Low Voltage

Quick Answer

The P0522 diagnostic trouble code for a 2014 GMC Sierra indicates that there is a low voltage condition in the engine oil pressure sensor circuit. Common causes include Faulty engine oil pressure sensor, Wiring issues, such as a short or open circuit in the sensor circuit, Low engine oil level or degraded oil. Severity is High - diagnose this code as soon as possible. Driving is not recommended if the warning light is flashing, the engine runs poorly, or safety-related symptoms are present.

What it means
P0522 2014 GMC Sierra indicates Engine Oil Pressure Sensor Circuit Low Voltage.
Common causes
Common causes include Faulty engine oil pressure sensor, Wiring issues, such as a short or open circuit in the sensor circuit, Low engine oil level or degraded oil.
Severity
High - diagnose this code as soon as possible.
Can I drive?
Driving is not recommended if the warning light is flashing, the engine runs poorly, or safety-related symptoms are present.
What is this?
Table of contents Created and updated by William Orellana on Sep 17, 2024
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Code P0522 2014 GMC Sierra Description

The P0522 diagnostic trouble code for a 2014 GMC Sierra indicates that there is a low voltage condition in the engine oil pressure sensor circuit. The engine oil pressure sensor is responsible for monitoring the oil pressure in the engine and sending this information to the vehicle's computer system. When the sensor detects a low voltage signal, it can trigger the P0522 code, indicating a potential issue with the oil pressure sensor circuit.

OBDII Code P0522 2014 GMC Sierra - Engine Oil Pressure Sensor Circuit Low Voltage
P0522 2014 GMC Sierra Code - Engine Oil Pressure Sensor Circuit Low Voltage

Common Causes of P0522 2014 GMC Sierra

  1. Faulty engine oil pressure sensor
  2. Wiring issues, such as a short or open circuit in the sensor circuit
  3. Low engine oil level or degraded oil
  4. Engine control module malfunction
  5. Mechanical engine problems affecting oil pressure, such as a worn oil pump or clogged oil passages

Symptoms of P0522 2014 GMC Sierra

  1. Illuminated oil pressure warning light on the dashboard
  2. Engine oil pressure gauge reading abnormally low or fluctuating
  3. Engine knocking or ticking noises
  4. Engine performance issues, such as reduced power or rough idling
  5. Increased fuel consumption

How to Fix P0522 2014 GMC Sierra

  1. Begin by verifying the P0522 code with a diagnostic scan tool and checking the oil pressure sensor circuit for any visible damage or loose connections.
  2. Inspect the engine oil level and quality, ensuring it meets manufacturer specifications.
  3. Test the engine oil pressure sensor using a multimeter to determine if it is functioning correctly.
  4. If the sensor is faulty, replace it with a new, OEM-quality sensor and ensure proper installation.
  5. Clear the trouble code from the vehicle's computer system and perform a test drive to verify that the issue has been resolved.

Cost to Fix P0522 2014 GMC Sierra

The cost of repairing a P0522 code on a 2014 GMC Sierra can vary depending on the specific cause of the issue and the labor rates in your area. In general, replacing an engine oil pressure sensor can cost between $100 and $250 for the part, with additional costs for labor. Overall, the total repair cost for this issue could range from $150 to $400 or more. It's recommended to consult with a trusted mechanic or auto repair shop to get a more accurate estimate based on your vehicle's specific needs and location.

What does this mean?

Tech Notes for P0522 2014 GMC Sierra

DTC P0521 can be set if engine oil pressure is outside the calculated engine oil pressure model stored in the engine control module. This can be an indication of mechanical engine issues causing lower than expected engine oil pressure.

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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.

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