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P2723 2015 GMC Sierra Code - Pressure Control Solenoid Valve 5 Stuck Off

Quick Answer

The P2723 diagnostic trouble code (DTC) for a 2015 GMC Sierra indicates that the Pressure Control Solenoid Valve 5 is stuck off. Common causes include Faulty Pressure Control Solenoid Valve 5, Electrical issues such as wiring or connector problems, Low transmission fluid levels or dirty/contaminated fluid. 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
P2723 2015 GMC Sierra indicates Pressure Control Solenoid Valve 5 Stuck Off.
Common causes
Common causes include Faulty Pressure Control Solenoid Valve 5, Electrical issues such as wiring or connector problems, Low transmission fluid levels or dirty/contaminated fluid.
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 11, 2024
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Code P2723 2015 GMC Sierra Description

The P2723 diagnostic trouble code (DTC) for a 2015 GMC Sierra indicates that the Pressure Control Solenoid Valve 5 is stuck off. This valve plays a crucial role in regulating hydraulic pressure within the transmission system. When the solenoid valve is stuck off, it means that it is not allowing the proper amount of hydraulic fluid to flow through, leading to issues with gear shifting and overall transmission performance.

OBDII Code P2723 2015 GMC Sierra - Pressure Control Solenoid Valve 5 Stuck Off
P2723 2015 GMC Sierra Code - Pressure Control Solenoid Valve 5 Stuck Off

Common Causes of P2723 2015 GMC Sierra

  1. Faulty Pressure Control Solenoid Valve 5
  2. Electrical issues such as wiring or connector problems
  3. Low transmission fluid levels or dirty/contaminated fluid
  4. Mechanical issues within the transmission system
  5. Software or programming issues in the transmission control module

Symptoms of P2723 2015 GMC Sierra

  1. Harsh or delayed shifting
  2. Slipping gears
  3. Decreased fuel efficiency
  4. Illuminated Check Engine Light
  5. Transmission overheating

How to Fix P2723 2015 GMC Sierra

  1. Diagnostic Scan: Use a diagnostic scanner to retrieve the specific trouble code and pinpoint the exact cause of the issue.
  2. Inspect Solenoid Valve: Check the Pressure Control Solenoid Valve 5 for any signs of damage or malfunction and replace if necessary.
  3. Check Electrical Connections: Inspect the wiring harness and connectors for any loose connections or damage, repairing or replacing as needed.
  4. Transmission Fluid Service: Perform a transmission fluid flush and fill with new, clean fluid to ensure proper hydraulic pressure.
  5. Test Drive and Relearn Procedure: After repairs are completed, test drive the vehicle to ensure the issue has been resolved. Perform any necessary relearn procedures for the transmission control module.

Cost to Fix P2723 2015 GMC Sierra

The cost of repairing a Pressure Control Solenoid Valve 5 stuck off issue can vary depending on the extent of the problem and the specific repairs needed. On average, parts for this repair can range from $100 to $300, while labor costs can range from $150 to $400. Overall, the total repair cost for this issue may fall between $250 and $700. It's important to note that labor rates and part prices can vary based on location, vehicle make and model, and the shop's hourly rates. It's recommended to obtain quotes from several auto repair shops to get an accurate estimate for this repair.

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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 P2723 2015 GMC Sierra Code

1. What does the OBD-II code P2723 indicate on a 2015 GMC Sierra?

The code P2723 indicates that the Pressure Control Solenoid "E" in the transmission is reported to be stuck in the "off" position. This solenoid is responsible for controlling the pressure to the transmission gears.

2. What are common symptoms of the P2723 code in a 2015 GMC Sierra?

Symptoms may include harsh shifting, transmission slipping, transmission overheating, decreased fuel efficiency, and the transmission may enter limp mode to prevent damage.

3. What can cause the P2723 code to appear on a 2015 GMC Sierra?

Common causes include a faulty pressure control solenoid, dirty or low transmission fluid, issues with the transmission fluid pressure sensor, or wiring and electrical faults related to the solenoid.

4. How can I diagnose the P2723 code on my 2015 GMC Sierra?

Diagnosis should begin with checking the transmission fluid level and condition. Following that, a scan tool should be used to monitor solenoid operation and pressure readings. Inspecting the wiring and connectors for damage is also recommended.

5. What steps are involved in repairing the P2723 code on a 2015 GMC Sierra?

Repair steps typically include replacing the pressure control solenoid, changing dirty or contaminated transmission fluid, repairing any faulty wiring or connectors, and in some cases, further investigation into the transmission may be required if the problem persists.

6. Is it safe to drive my 2015 GMC Sierra with the P2723 code?

Driving with the P2723 code can lead to further damage to the transmission. It is advisable to address the issue as soon as possible to avoid potential costly repairs.

7. Can a P2723 code affect the overall performance of my vehicle?

Yes, this code can significantly affect the performance by causing transmission-related issues like slipping or harsh shifts, which can in turn affect the engine performance and fuel economy.

8. What tools are needed to fix the P2723 code on a 2015 GMC Sierra?

Repairing the code typically requires a professional-grade OBD-II scanner, a multimeter for electrical testing, and tools for removing and replacing transmission components.

9. Could the P2723 code be triggered by an electrical fault in the 2015 GMC Sierra?

Yes, an electrical fault such as corroded connectors, damaged wires, or a faulty transmission control module can trigger this code. Electrical diagnostics should be part of the troubleshooting process.

10. How often does the P2723 fault occur in 2015 GMC Sierras, and is it a common issue?

While not extremely common, the P2723 code can occur due to aging or wear and tear on the transmission components, especially in vehicles with higher mileage or those that have not had regular transmission maintenance.

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