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P2718 2014 GMC Sierra Code - Pressure Control Solenoid 4 Control Circuit Open

Quick Answer

The P2718 diagnostic trouble code (DTC) for a 2014 GMC Sierra refers to the Pressure Control Solenoid 4 Control Circuit Open. Common causes include Faulty pressure control solenoid 4, Damaged wiring or connectors in the control circuit, Corrosion or poor connections in the electrical system. 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
P2718 2014 GMC Sierra indicates Pressure Control Solenoid 4 Control Circuit Open.
Common causes
Common causes include Faulty pressure control solenoid 4, Damaged wiring or connectors in the control circuit, Corrosion or poor connections in the electrical system.
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 P2718 2014 GMC Sierra Description

The P2718 diagnostic trouble code (DTC) for a 2014 GMC Sierra refers to the Pressure Control Solenoid 4 Control Circuit Open. This code indicates that there is an open circuit in the control mechanism for the pressure control solenoid 4, which is a crucial component in the vehicle's transmission system. The pressure control solenoid is responsible for regulating the hydraulic pressure within the transmission, ensuring smooth gear shifts and overall transmission performance.

OBDII Code P2718 2014 GMC Sierra - Pressure Control Solenoid 4 Control Circuit Open
P2718 2014 GMC Sierra Code - Pressure Control Solenoid 4 Control Circuit Open

Common Causes of P2718 2014 GMC Sierra

  1. Faulty pressure control solenoid 4
  2. Damaged wiring or connectors in the control circuit
  3. Corrosion or poor connections in the electrical system
  4. Issues with the ECM or transmission control module (TCM)
  5. Low transmission fluid levels or contaminated fluid

Symptoms of P2718 2014 GMC Sierra

  1. Harsh or erratic shifting
  2. Delayed engagement when shifting gears
  3. Transmission slipping
  4. Transmission going into limp mode
  5. Illumination of the Check Engine Light

How to Fix P2718 2014 GMC Sierra

  1. Begin by conducting a visual inspection of the wiring and connectors in the pressure control solenoid 4 circuit. Look for any signs of damage, corrosion, or loose connections.
  2. Test the pressure control solenoid 4 using a multimeter to check for proper resistance and continuity. Replace the solenoid if it fails the test.
  3. Inspect the transmission fluid level and condition. Top off the fluid if necessary and consider performing a transmission flush if the fluid is contaminated.
  4. Clear the DTC using an OBD-II scanner and test drive the vehicle to ensure that the issue has been resolved.
  5. If the problem persists, further diagnostics may be required to identify any underlying issues with the ECM, TCM, or other components of the transmission system.

Cost to Fix P2718 2014 GMC Sierra

The cost of addressing a P2718 code for a 2014 GMC Sierra can vary depending on the specific cause of the issue and the labor rates at the auto repair shop. In general, the replacement of a pressure control solenoid can cost between $150 to $300, including parts and labor. Additional costs may apply if there are other components that need to be replaced or if further diagnostics are needed. It's recommended to contact local auto repair shops for more accurate pricing information based on your location and vehicle specifics.

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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 P2718 2014 GMC Sierra Code

1. What does the OBDII code P2718 mean on a 2014 GMC Sierra?

P2718 indicates an issue with the Pressure Control Solenoid 4 control circuit, specifically that it is open, meaning there is a break or fault in the electrical circuit.

2. What are the common symptoms of code P2718 in a 2014 GMC Sierra?

Symptoms may include harsh or erratic shifting, transmission slipping, the vehicle being stuck in a single gear (limp mode), reduced fuel efficiency, and the check engine light turning on.

3. What causes the P2718 code to appear in my GMC Sierra?

Common causes include a faulty pressure control solenoid, damaged or corroded wiring or connectors in the solenoid circuit, a failed transmission control module (TCM), or low transmission fluid levels.

4. Can driving with a P2718 code damage my 2014 GMC Sierra?

Yes, driving with this code can lead to further transmission damage if the issue is not addressed promptly, as improper pressure control can cause excessive wear on internal components.

5. How can I diagnose the P2718 code on my GMC Sierra?

Diagnosis typically involves checking the transmission fluid level and condition, inspecting the solenoid wiring and connectors for damage, testing the solenoid’s resistance, and scanning the TCM for additional codes.

6. How do I fix the P2718 code in my 2014 GMC Sierra?

Repairs may include replacing the faulty pressure control solenoid, repairing or replacing damaged wiring or connectors, updating or reprogramming the TCM, or replenishing and flushing the transmission fluid.

7. What is the role of the pressure control solenoid in the transmission?

The pressure control solenoid regulates hydraulic pressure within the transmission to ensure smooth gear changes and proper operation of the transmission system.

8. How much does it cost to repair the P2718 code in a GMC Sierra?

Repair costs vary depending on the cause but can range from $200 to $500 for solenoid replacement, plus additional labor costs if wiring repairs or TCM updates are required.

9. Can low transmission fluid cause the P2718 code in my 2014 GMC Sierra?

Yes, low or contaminated transmission fluid can cause improper solenoid function and trigger the P2718 code.

10. Do I need a professional mechanic to fix the P2718 code?

While some basic checks like inspecting wiring or fluid levels can be done at home, resolving the issue often requires advanced tools and expertise, so consulting a professional mechanic is recommended.

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