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Engine-Codes – GMC – P2730 2016 GMC Sierra

P2730 2016 GMC Sierra Code - Pressure Control Solenoid Valve 5 Control Circuit High Voltage

Quick Answer

The P2730 code in a 2016 GMC Sierra indicates a problem with the Pressure Control Solenoid Valve 5 Control Circuit High Voltage. Common causes include Faulty pressure control solenoid valve, Wiring or connector issues, Corrosion in the circuit. 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
P2730 2016 GMC Sierra indicates Pressure Control Solenoid Valve 5 Control Circuit High Voltage.
Common causes
Common causes include Faulty pressure control solenoid valve, Wiring or connector issues, Corrosion in the circuit.
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 09, 2024
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Code P2730 2016 GMC Sierra Description

The P2730 code in a 2016 GMC Sierra indicates a problem with the Pressure Control Solenoid Valve 5 Control Circuit High Voltage. This means that the powertrain control module (PCM) has detected an electrical malfunction in the circuit that controls the operation of the pressure control solenoid valve 5. The pressure control solenoid valve is responsible for regulating the hydraulic pressure in the transmission, which is crucial for smooth gear shifting and overall transmission performance.

OBDII Code P2730 2016 GMC Sierra - Pressure Control Solenoid Valve 5 Control Circuit High Voltage
P2730 2016 GMC Sierra Code - Pressure Control Solenoid Valve 5 Control Circuit High Voltage

Common Causes of P2730 2016 GMC Sierra

  1. Faulty pressure control solenoid valve
  2. Wiring or connector issues
  3. Corrosion in the circuit
  4. Loose connections
  5. PCM malfunction

Symptoms of P2730 2016 GMC Sierra

  1. Erratic or harsh shifting
  2. Transmission slipping
  3. Delayed engagement when shifting gears
  4. Check Engine Light illuminated
  5. Reduced fuel efficiency

How to Fix P2730 2016 GMC Sierra

  1. Diagnose the specific cause of the high voltage in the pressure control solenoid valve 5 circuit using a scan tool.
  2. Inspect the wiring and connectors for any damage, corrosion, or loose connections. Repair or replace as necessary.
  3. Test the pressure control solenoid valve 5 for proper operation and replace if faulty.
  4. Clear the trouble codes from the PCM and test drive the vehicle to ensure the issue has been resolved.
  5. Perform a transmission fluid flush and refill if necessary to ensure proper transmission function.

Cost to Fix P2730 2016 GMC Sierra

The cost of repairing the P2730 code in a 2016 GMC Sierra can vary depending on the specific cause of the issue and the labor rates at the auto repair shop. Typically, the cost of replacing a pressure control solenoid valve can range from $150 to $300, including parts and labor. However, additional costs may apply if there are wiring or connector issues that need to be addressed. Diagnostic time and labor rates at auto repair shops can vary, so it's advisable to check with local shops for a more accurate estimate.

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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 P2730 2016 GMC Sierra Code

1. What are the common symptoms of OBDII code P2730 in a 2016 GMC Sierra?

The common symptoms of OBDII code P2730 in a 2016 GMC Sierra include harsh shifting, transmission slippage, decreased fuel efficiency, and the transmission going into limp mode.

2. What can cause the OBDII code P2730 in a 2016 GMC Sierra?

The OBDII code P2730 in a 2016 GMC Sierra is typically caused by issues with the Pressure Control Solenoid Valve 5 Control Circuit, such as a faulty solenoid, damaged wiring, or a poor electrical connection.

3. How serious is the OBDII code P2730 in a 2016 GMC Sierra?

The OBDII code P2730 in a 2016 GMC Sierra can lead to transmission performance issues and should be addressed promptly to avoid further damage to the transmission system.

4. How can I diagnose the OBDII code P2730 in a 2016 GMC Sierra?

Diagnosing the OBDII code P2730 in a 2016 GMC Sierra involves using a scan tool to read the code, checking the transmission fluid level and condition, inspecting the Pressure Control Solenoid Valve 5, and testing the electrical connections.

5. Can I drive my 2016 GMC Sierra with the OBDII code P2730?

It is not recommended to drive your 2016 GMC Sierra with the OBDII code P2730, as it can cause transmission issues and potentially lead to more severe problems if left unresolved.

6. How can I repair the OBDII code P2730 in my 2016 GMC Sierra?

Repairing the OBDII code P2730 in a 2016 GMC Sierra may involve replacing the Pressure Control Solenoid Valve 5, repairing damaged wiring or connections, or resetting the transmission control module.

7. Is it possible to reset the OBDII code P2730 in a 2016 GMC Sierra without fixing the issue?

Resetting the OBDII code P2730 in a 2016 GMC Sierra without addressing the underlying issue is not recommended, as the problem will likely resurface, causing further transmission problems.

8. How much does it cost to fix the OBDII code P2730 in a 2016 GMC Sierra?

The cost to fix the OBDII code P2730 in a 2016 GMC Sierra can vary depending on the exact cause of the issue, but it may range from a few hundred to over a thousand dollars for parts and labor.

9. Can a DIY enthusiast fix the OBDII code P2730 in a 2016 GMC Sierra?

While some DIY enthusiasts may be able to fix the OBDII code P2730 in a 2016 GMC Sierra if they have the necessary tools and experience, it is generally recommended to seek professional help due to the complexities of transmission systems.

10. How often does the OBDII code P2730 occur in a 2016 GMC Sierra?

The occurrence of OBDII code P2730 in a 2016 GMC Sierra can vary depending on factors like driving habits, maintenance history, and vehicle condition, but it is not an extremely common code compared to others.

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