Engine-CodesChevrolet – P2517 Chevrolet

P2517 Chevrolet Code - Air Condition Refrigerant Pressure Sensor 'B' Circuit Low

Quick Answer

The P2517 diagnostic trouble code for Chevrolet vehicles indicates a problem with the Air Condition Refrigerant Pressure Sensor 'B' Circuit being too low. Common causes include Malfunctioning refrigerant pressure sensor, Wiring issues in the sensor circuit, Low refrigerant level in the air conditioning system. Severity is Low - monitor the vehicle and repair when practical. The vehicle can usually be driven if no severe symptoms are present, but symptoms should be checked before extended driving.

What it means
P2517 Chevrolet indicates Air Condition Refrigerant Pressure Sensor 'B' Circuit Low.
Common causes
Common causes include Malfunctioning refrigerant pressure sensor, Wiring issues in the sensor circuit, Low refrigerant level in the air conditioning system.
Severity
Low - monitor the vehicle and repair when practical.
Can I drive?
The vehicle can usually be driven if no severe symptoms are present, but symptoms should be checked before extended driving.
Table of contents Created and updated by William Orellana on Sep 09, 2024
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Code P2517 Chevrolet Description

The P2517 diagnostic trouble code for Chevrolet vehicles indicates a problem with the Air Condition Refrigerant Pressure Sensor 'B' Circuit being too low. This sensor is responsible for monitoring the pressure of the refrigerant in the air conditioning system. When the pressure is too low, it can affect the overall performance of the air conditioning system and potentially lead to other issues within the vehicle.

OBDII Code P2517 Chevrolet - Air Condition Refrigerant Pressure Sensor 'B' Circuit Low
P2517 Chevrolet Code - Air Condition Refrigerant Pressure Sensor 'B' Circuit Low

Common Causes of P2517 Chevrolet

  1. Malfunctioning refrigerant pressure sensor
  2. Wiring issues in the sensor circuit
  3. Low refrigerant level in the air conditioning system
  4. Faulty air conditioning compressor
  5. Leaks in the air conditioning system

Symptoms of P2517 Chevrolet

  1. Reduced cooling efficiency in the air conditioning system
  2. Air conditioning system taking longer to cool down the interior of the vehicle
  3. Inconsistent cooling performance, with temperature fluctuations
  4. Air conditioning system not working at all in some cases

How to Fix P2517 Chevrolet

  1. Perform a diagnostic scan to confirm the P2517 code and identify the specific cause of the issue
  2. Inspect the refrigerant pressure sensor and its wiring for any damage or malfunction
  3. Check the refrigerant level in the air conditioning system and recharge if necessary
  4. Replace the refrigerant pressure sensor if it is faulty
  5. Test the air conditioning system to ensure it is operating correctly after repairs

Cost to Fix P2517 Chevrolet

The typical repair cost for resolving the P2517 code on a Chevrolet vehicle can vary depending on the specific cause of the issue. On average, repairing the air conditioning refrigerant pressure sensor circuit low can range from $150 to $400, including parts and labor. However, it is important to note that diagnostic time and labor rates at auto repair shops can vary based on factors such as location, vehicle make and model, and engine type. It is recommended to check with local auto repair shops for a more accurate estimate.

Tech Notes for P2517 Chevrolet

Do not just add more refrigerant, use an A/C machine to evacuate the refrigerant and charge the correct amount.

When is the Code Detected?

The Powertrain Control Module (PCM) sets the code when detects a short to ground at the A/C low side pressure sensor signal circuit.

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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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