Engine-CodesGMC – P2718 2016 GMC Sierra

P2718 2016 GMC Sierra Code - Pressure Control Solenoid 4 Control Circuit Open

Quick Answer

The OBD-II trouble code P2718 for a 2016 GMC Sierra indicates a problem with the Pressure Control Solenoid 4 Control Circuit. Common causes include Faulty Pressure Control Solenoid 4, Wiring or connector issues in the control circuit, Corrosion or damage to electrical connections. 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 2016 GMC Sierra indicates Pressure Control Solenoid 4 Control Circuit Open.
Common causes
Common causes include Faulty Pressure Control Solenoid 4, Wiring or connector issues in the control circuit, Corrosion or damage to electrical connections.
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 P2718 2016 GMC Sierra Description

The OBD-II trouble code P2718 for a 2016 GMC Sierra indicates a problem with the Pressure Control Solenoid 4 Control Circuit. This solenoid is responsible for regulating hydraulic pressure within the transmission, which is crucial for proper gear shifts and overall transmission performance. When the control circuit for this solenoid is open, it means that there is an issue with the electrical connection or the solenoid itself, leading to potential transmission problems.

OBDII Code P2718 2016 GMC Sierra - Pressure Control Solenoid 4 Control Circuit Open
P2718 2016 GMC Sierra Code - Pressure Control Solenoid 4 Control Circuit Open

Common Causes of P2718 2016 GMC Sierra

  1. Faulty Pressure Control Solenoid 4
  2. Wiring or connector issues in the control circuit
  3. Corrosion or damage to electrical connections
  4. Transmission fluid contamination
  5. Issues with the transmission control module (TCM)

Symptoms of P2718 2016 GMC Sierra

  1. Erratic shifting behavior
  2. Harsh gear changes
  3. Transmission slipping
  4. Decreased fuel efficiency
  5. Limp mode activation

How to Fix P2718 2016 GMC Sierra

  1. Perform a thorough inspection of the wiring harness and connectors associated with Pressure Control Solenoid 4.
  2. Test the solenoid's resistance and functionality to determine if it needs replacement.
  3. Clear the trouble code from the vehicle's computer system using a diagnostic tool.
  4. Replace the faulty Pressure Control Solenoid 4 if necessary.
  5. Check and refill transmission fluid levels as needed.

Cost to Fix P2718 2016 GMC Sierra

The typical repair costs for addressing the Pressure Control Solenoid 4 Control Circuit Open code can vary depending on the extent of the issue and the labor rates in your area. On average, you can expect to pay anywhere from $200 to $500 for parts and labor. It's important to note that diagnostic time and labor rates at auto repair shops can vary, so it's recommended to obtain quotes from multiple sources to ensure a fair price.

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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 2016 GMC Sierra Code

1. What are the common symptoms of OBDII code P2718 in a 2016 GMC Sierra?

- Common symptoms of code P2718 include harsh shifting, transmission slippage, decreased fuel efficiency, and the transmission going into limp mode.

2. What does OBDII code P2718 in a 2016 GMC Sierra indicate?

- Code P2718 indicates an issue with the Pressure Control Solenoid 4 Control Circuit being open, which can affect the proper operation of the transmission.

3. What are the possible causes of OBDII code P2718 in a 2016 GMC Sierra?

- The causes of code P2718 can include a faulty pressure control solenoid, damaged wiring or connectors in the circuit, low transmission fluid levels, or internal transmission problems.

4. How can I diagnose the Pressure Control Solenoid 4 Control Circuit Open issue in my 2016 GMC Sierra?

- Diagnosing this issue typically involves checking the wiring and connectors for damage, testing the pressure control solenoid, inspecting the transmission fluid level and condition, and performing a thorough transmission system scan.

5. Can I continue driving my 2016 GMC Sierra with OBDII code P2718?

- It is not recommended to continue driving with code P2718 present, as it can lead to further transmission damage and potential safety hazards. It's best to address the issue promptly.

6. How can I repair OBDII code P2718 in my 2016 GMC Sierra?

- Repairing code P2718 may involve replacing the pressure control solenoid, repairing damaged wiring or connectors, ensuring proper transmission fluid levels, or addressing any internal transmission issues.

7. Is it possible to reset OBDII code P2718 in a 2016 GMC Sierra without fixing the underlying issue?

- While you can clear the code temporarily using an OBDII scanner, the issue causing code P2718 will likely persist unless properly diagnosed and repaired.

8. Are there any preventative maintenance tips to avoid OBDII code P2718 in a 2016 GMC Sierra?

- Regularly servicing the transmission, checking for leaks, maintaining proper fluid levels, and addressing any transmission issues promptly can help prevent code P2718 and other transmission-related problems.

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