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Home >> Chevrolet >> 2001 >> Cavalier LS, 2.2 4 >> Repair and Diagnosis >> External Pages >> Different car >> Section 260 (Automatic Transaxle - 4T40-E/4T45-E - Overhaul) >> Description and Operation >> Overdrive Range, Fourth Gear - Torque Converter Clutch (TCC) Applied (W/o Electronic Range Select Mode) >> Torque Converter Clutch Applied >> TCC Control Solenoid Valve

TCC Control Solenoid Valve

WARNING: This page is about a different car, the 2004 Pontiac Sunfire, 2004 Chevrolet Classic, and 2004 Chevrolet Cavalier. However, it is still accessible from the selected car via links, so may be relevant.

When conditions are appropriate, the PCM energized the TCC control solenoid valve in order to initiate the TCC apply. The solenoid valve is pulse width modulated (PWM) in order to provide a smooth TCC apply (Refer to the electrical controls section for a detailed description of the TCC control solenoid valve operation). When energized, the solenoid valve modulates the filtered 2-3 drive fluid into the TCC signal fluid circuit.