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P2764 2016 GMC Sierra Code - Torque Converter Clutch Pressure Control Solenoid Valve Control Circuit Low Voltage

Quick Answer

The P2764 diagnostic trouble code for a 2016 GMC Sierra relates to the Torque Converter Clutch Pressure Control Solenoid Valve Control Circuit registering low voltage. Common causes include Faulty torque converter clutch pressure control solenoid valve, Wiring issues or poor electrical connections in the control circuit, Low transmission fluid levels or 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
P2764 2016 GMC Sierra indicates Torque Converter Clutch Pressure Control Solenoid Valve Control Circuit Low Voltage.
Common causes
Common causes include Faulty torque converter clutch pressure control solenoid valve, Wiring issues or poor electrical connections in the control circuit, Low transmission fluid levels or 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 13, 2024
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Code P2764 2016 GMC Sierra Description

The P2764 diagnostic trouble code for a 2016 GMC Sierra relates to the Torque Converter Clutch Pressure Control Solenoid Valve Control Circuit registering low voltage. The torque converter clutch (TCC) is a critical component in the vehicle's automatic transmission system, responsible for engaging and disengaging the torque converter lock-up clutch. The pressure control solenoid valve plays a crucial role in regulating the hydraulic pressure that controls the TCC.

OBDII Code P2764 2016 GMC Sierra - Torque Converter Clutch Pressure Control Solenoid Valve Control Circuit Low Voltage
P2764 2016 GMC Sierra Code - Torque Converter Clutch Pressure Control Solenoid Valve Control Circuit Low Voltage

Common Causes of P2764 2016 GMC Sierra

  1. Faulty torque converter clutch pressure control solenoid valve
  2. Wiring issues or poor electrical connections in the control circuit
  3. Low transmission fluid levels or contaminated fluid
  4. Internal transmission damage or wear
  5. Malfunctioning engine control module (ECM) or transmission control module (TCM)

Symptoms of P2764 2016 GMC Sierra

  1. Erratic shifting or slipping of gears
  2. Decreased fuel efficiency
  3. Harsh or delayed engagement of gears
  4. Illumination of the Check Engine Light
  5. Overheating of transmission fluid

How to Fix P2764 2016 GMC Sierra

  1. Begin by conducting a thorough inspection of the transmission system, including checking the fluid level and condition.
  2. Test the torque converter clutch pressure control solenoid valve and its electrical connections for proper functionality.
  3. Replace the solenoid valve if it is found to be faulty, ensuring proper installation and secure connections.
  4. Clear the diagnostic trouble codes from the vehicle's computer system and perform a test drive to verify that the issue has been resolved.
  5. If the problem persists, further diagnostic testing may be required to identify any underlying issues with the transmission system.

Cost to Fix P2764 2016 GMC Sierra

The typical repair costs for addressing a P2764 code in a 2016 GMC Sierra can vary depending on the specific cause of the issue and the labor rates in your area. On average, the parts required for this repair, such as a new torque converter clutch pressure control solenoid valve, may range from $100 to $300. Additionally, labor costs can add another $100 to $200 to the total repair bill. It's important to note that diagnostic time and labor rates at auto repair shops can fluctuate, so it's advisable to obtain a personalized estimate from a trusted mechanic.

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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 P2764 2016 GMC Sierra Code

1. What does the OBDII code P2764 mean on a 2016 GMC Sierra?

P2764 indicates a low voltage issue in the Torque Converter Clutch (TCC) Pressure Control Solenoid Valve Control Circuit, which can affect the transmission's ability to lock up the torque converter properly.

2. What are the common symptoms of code P2764 in a 2016 GMC Sierra?

Common symptoms include poor fuel efficiency, transmission slipping, difficulty shifting, or the transmission overheating. You may also notice the check engine light illuminated.

3. What causes the P2764 code to appear on a 2016 GMC Sierra?

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

4. Can driving with the P2764 code damage my 2016 GMC Sierra?

Driving with a P2764 code can lead to further transmission issues, overheating, and increased wear on the torque converter if not addressed promptly.

5. How can I fix the P2764 code on my 2016 GMC Sierra?

Start by checking the transmission fluid level and condition. Inspect the wiring and connectors to the TCC solenoid for damage or corrosion. If no issues are found, the TCC solenoid or TCM may need replacement.

6. How much does it cost to repair the P2764 code on a 2016 GMC Sierra?

Repair costs vary but typically range from $150 to $500 for diagnosing and replacing the TCC solenoid. Costs can increase if wiring repairs or TCM replacement are necessary.

7. Can a low transmission fluid level cause the P2764 code?

Yes, low or contaminated transmission fluid can reduce hydraulic pressure, causing the TCC solenoid to malfunction and trigger the P2764 code.

8. How do I reset the P2764 code on my 2016 GMC Sierra?

After repairs, you can clear the code using an OBDII scanner. However, if the issue isn’t fully resolved, the code will likely return.

9. Could a faulty TCM cause the P2764 code on my 2016 GMC Sierra?

Yes, a malfunctioning transmission control module can disrupt the TCC solenoid circuit and trigger the P2764 code.

10. Do I need a professional mechanic to fix the P2764 code on my 2016 GMC Sierra?

While basic checks like inspecting fluid levels and wiring can be done at home, diagnosing and replacing the TCC solenoid or TCM may require professional assistance.

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