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

Quick Answer

The P2764 GMC diagnostic trouble code (DTC) refers to an issue with the Torque Converter Clutch Pressure Control Solenoid Valve Control Circuit, specifically indicating that the voltage is too low. Common causes include Wiring issues or short circuits in the solenoid valve control circuit, Faulty Torque Converter Clutch Pressure Control Solenoid Valve, Malfunctioning Transmission Control Module (TCM). 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 GMC indicates Torque Converter Clutch Pressure Control Solenoid Valve Control Circuit Low Voltage.
Common causes
Common causes include Wiring issues or short circuits in the solenoid valve control circuit, Faulty Torque Converter Clutch Pressure Control Solenoid Valve, Malfunctioning Transmission Control Module (TCM).
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 06, 2024
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Code P2764 GMC Description

The P2764 GMC diagnostic trouble code (DTC) refers to an issue with the Torque Converter Clutch Pressure Control Solenoid Valve Control Circuit, specifically indicating that the voltage is too low. This solenoid valve is a crucial component of the transmission system that controls the pressure of the torque converter clutch. When the voltage is too low, it can lead to improper engagement or disengagement of the torque converter clutch, affecting the overall performance of the vehicle.

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

Common Causes of P2764 GMC

  1. Wiring issues or short circuits in the solenoid valve control circuit
  2. Faulty Torque Converter Clutch Pressure Control Solenoid Valve
  3. Malfunctioning Transmission Control Module (TCM)
  4. Low battery voltage affecting the circuit
  5. Corrosion or poor connections in the electrical system

Symptoms of P2764 GMC

  1. Poor fuel efficiency
  2. Harsh shifting
  3. Transmission slipping
  4. Transmission overheating
  5. Illumination of the Check Engine Light

How to Fix P2764 GMC

  1. Begin by inspecting the wiring and connections in the solenoid valve control circuit to ensure there are no shorts or breaks. Repair or replace any damaged wiring.
  2. Test the Torque Converter Clutch Pressure Control Solenoid Valve for proper operation. Replace if necessary.
  3. Check the transmission control module (TCM) for any faults or errors. Reset or replace as needed.
  4. Verify the battery voltage and charging system to ensure proper power supply to the solenoid valve control circuit.
  5. Clear the DTC and perform a test drive to confirm that the issue has been resolved.

Cost to Fix P2764 GMC

The typical repair costs for addressing the P2764 GMC code can vary depending on the specific cause of the issue. In general, replacing a faulty Torque Converter Clutch Pressure Control Solenoid Valve can cost between $150 and $300, including parts and labor. However, if additional components such as the TCM need to be replaced, the total repair cost could range from $300 to $600 or more.

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Information for Specific GMC Models

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.

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