Technical Definition:

Torque Converter Clutch Circuit Intermittent

Technical Description:

Modern vehicles equipped with automatic transmissions / transaxles use a torque converter between the engine and transmission to increase the engine torque output and drive the rear wheels.

Possible Causes:

Possible Symptoms:

• Intermittent Indicator Lamp (MIL) illuminated (a.k.a. Check Engine Light)
• Minimal decrease in fuel economy, this will not affect engine performance

Torque Converter Clutch Circuit Intermittent

Possible Solutions:

OBD-II Trouble Code Type:

Diagnostic Step:

Tech Notes:

– Faulty torque converter clutch solenoid valve
– Torque converter clutch solenoid valve harness is open or shorted
– Torque converter clutch solenoid valve circuit poor electrical connection
– Low transmission fluid level
– Dirty transmission fluid

Specific Makes: