P2764: Torque Converter Clutch Pressure Control Solenoid Control Circuit Low — what it means, the affected system and what to check before replacing parts.
Meaning, symptoms, causes and checks
Torque Converter Clutch Pressure Control Solenoid Control Circuit Low. Basic catalogue definition; diagnostic details have not yet been reviewed.
Affected system: Powertrain
Symptoms
- The engine warning lamp may illuminate while gear changes become less smooth.
- Slower response or increased fuel use may occur if converter-clutch control is affected.
Possible causes
- The torque-converter-clutch pressure-control solenoid may be defective.
- Poor contacts, damaged wiring or an electrical short may cause an abnormally low circuit signal.
What to check
- Scan for related transmission faults and note when the code appears.
- Inspect solenoid wiring and plugs, then check for shorts or weak contacts using the vehicle diagram.
- Compare solenoid resistance and control-circuit values with model specifications before investigating internal faults.
Also written as: P2764-00, P276400 (some scan tools add the fault-type byte, e.g. -00).