Engine-CodesGMC – P2719 2018 GMC Sierra

P2719 2018 GMC Sierra Code - Pressure Control Solenoid 4 System Performance

Quick Answer

The P2719 diagnostic trouble code (DTC) in a 2018 GMC Sierra specifically points to an issue with the Pressure Control Solenoid 4 System Performance. Common causes include Faulty pressure control solenoid 4, Electrical issues with solenoid wiring or connector, Mechanical problems within the solenoid. 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
P2719 2018 GMC Sierra indicates Pressure Control Solenoid 4 System Performance.
Common causes
Common causes include Faulty pressure control solenoid 4, Electrical issues with solenoid wiring or connector, Mechanical problems within the solenoid.
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.
Table of contents Created and updated by William Orellana on Sep 11, 2024
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Code P2719 2018 GMC Sierra Description

The P2719 diagnostic trouble code (DTC) in a 2018 GMC Sierra specifically points to an issue with the Pressure Control Solenoid 4 System Performance. This code indicates that there is a problem with the pressure control solenoid that is responsible for regulating hydraulic pressure within the transmission. The transmission control module (TCM) monitors the performance of this solenoid to ensure smooth shifting and optimal performance of the transmission.

OBDII Code P2719 2018 GMC Sierra - Pressure Control Solenoid 4 System Performance
P2719 2018 GMC Sierra Code - Pressure Control Solenoid 4 System Performance

Common Causes of P2719 2018 GMC Sierra

  1. Faulty pressure control solenoid 4
  2. Electrical issues with solenoid wiring or connector
  3. Mechanical problems within the solenoid
  4. Low transmission fluid levels
  5. Dirty transmission fluid

Symptoms of P2719 2018 GMC Sierra

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

How to Fix P2719 2018 GMC Sierra

  1. Perform a comprehensive diagnosis using a professional automotive scanner to confirm the P2719 code and identify the specific issue with the pressure control solenoid 4.
  2. Inspect the wiring and connector of the solenoid for any damage or corrosion. Repair or replace as necessary.
  3. Check the transmission fluid level and condition. Top up or perform a transmission fluid flush if needed.
  4. Replace the pressure control solenoid 4 if it is found to be faulty or malfunctioning.
  5. Clear the DTC and perform a test drive to ensure the transmission is functioning properly.

Cost to Fix P2719 2018 GMC Sierra

The cost of repairing the Pressure Control Solenoid 4 System Performance issue in a 2018 GMC Sierra can vary depending on the extent of the problem and the labor rates at the auto repair shop. Typically, the replacement of the pressure control solenoid itself can range from $150 to $300, while additional costs for diagnosis, fluid flush, and labor may bring the total repair cost to approximately $300 to $600. It's essential to consider the specific circumstances of the vehicle and consult with a professional mechanic for a more accurate estimate. Keep in mind that labor rates can vary based on location, shop rates, and the complexity of the 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 P2719 2018 GMC Sierra Code

1. What does the OBDII code P2719 mean on a 2018 GMC Sierra?

P2719 indicates an issue with the Pressure Control Solenoid 4 System Performance, which is responsible for regulating hydraulic pressure in the transmission.

2. What are common symptoms of a P2719 code on a 2018 GMC Sierra?

Symptoms may include harsh or delayed shifting, transmission slipping, poor fuel economy, and the Check Engine Light being illuminated.

3. What causes the P2719 code to appear on a GMC Sierra?

Common causes include a faulty pressure control solenoid, low or dirty transmission fluid, wiring issues, or a malfunctioning transmission control module (TCM).

4. Can driving with a P2719 code damage my GMC Sierra?

Yes, driving with this code can lead to further transmission damage if the hydraulic pressure is not properly regulated.

5. How can I diagnose the P2719 code on my 2018 GMC Sierra?

Diagnose the issue by scanning for codes, inspecting the transmission fluid condition, checking the solenoid wiring and connectors, and performing a pressure test on the transmission system.

6. What is the cost to repair a P2719 code on a GMC Sierra?

Repair costs can vary but may include $150-$400 for solenoid replacement or more if the issue involves internal transmission damage.

7. Can dirty transmission fluid cause the P2719 code?

Yes, dirty or low transmission fluid can affect the solenoid's performance and trigger the P2719 code.

8. How do I fix the P2719 code on a 2018 GMC Sierra?

Repairs may involve replacing the pressure control solenoid, cleaning or replacing the transmission fluid, or repairing damaged wiring or connectors.

9. Does the P2719 code require a complete transmission replacement?

Not necessarily. In many cases, the issue is isolated to the solenoid or fluid, but severe damage may require further repairs.

10. How can I prevent the P2719 code from recurring on my GMC Sierra?

Regularly maintain the transmission by changing the fluid at recommended intervals and inspecting the solenoids and wiring for wear or damage.

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