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Engine-Codes – Generic – P2764

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

Quick Answer

The P2764 diagnostic trouble code indicates that there is a low voltage condition detected in the Torque Converter Clutch Pressure Control Solenoid Valve circuit. Common causes include Faulty Torque Converter Clutch Pressure Control Solenoid Valve, Wiring or connector issues in the solenoid circuit, Low transmission fluid levels or dirty 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 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 or connector issues in the solenoid circuit, Low transmission fluid levels or dirty 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 Aug 19, 2024
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Code P2764 Description

The P2764 diagnostic trouble code indicates that there is a low voltage condition detected in the Torque Converter Clutch Pressure Control Solenoid Valve circuit. The Torque Converter Clutch (TCC) is responsible for engaging and disengaging the torque converter lock-up function, which improves fuel efficiency and reduces heat generation in the transmission. The solenoid valve controls the pressure applied to the TCC, and when the voltage is too low, it can lead to issues with the proper operation of the TCC.

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

Common Causes of P2764

  1. Faulty Torque Converter Clutch Pressure Control Solenoid Valve
  2. Wiring or connector issues in the solenoid circuit
  3. Low transmission fluid levels or dirty fluid
  4. Electrical system issues, such as a blown fuse or relay
  5. Internal transmission problems, such as a damaged TCC

Symptoms of P2764

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

How to Fix P2764

  1. Retrieve the fault codes using a diagnostic scanner to confirm the P2764 code.
  2. Inspect the wiring and connectors in the Torque Converter Clutch Pressure Control Solenoid Valve circuit for any damage or corrosion.
  3. Check the transmission fluid level and condition, and top up or replace as necessary.
  4. Test the Torque Converter Clutch Pressure Control Solenoid Valve for proper operation and replace if faulty.
  5. Clear the fault codes and test drive the vehicle to ensure the issue has been resolved.

Cost to Fix P2764

The typical repair costs for addressing a P2764 code can range from $150 to $500, depending on the extent of the issue and the cost of parts and labor. It's important to note that diagnosis time and labor rates can vary, so it's recommended to check with local auto repair shops for a more accurate estimate.

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Code P2764 Information for Specific Makes

  • P2764 Buick — Torque Converter Clutch Pressure Control Solenoid Valve Control Circuit Low Voltage
  • P2764 Cadillac — Torque Converter Clutch Pressure Control Solenoid Valve Control Circuit Low Voltage
  • P2764 Chevrolet — Torque Converter Clutch Pressure Control Solenoid Valve Control Circuit Low Voltage
  • P2764 Dodge — Torque Converter Clutch Pressure Control Solenoid Valve Control Circuit Low Voltage
  • P2764 GMC — Torque Converter Clutch Pressure Control Solenoid Valve Control Circuit Low Voltage
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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