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Home >> Chevrolet >> 2004 >> Avalanche 2500 >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 9 (Automatic Transmission - 4L60-E/4L65-E (Introduction, Service & Replacement)) >> Description and Operation >> Electronic Component Description >> Torque Converter Clutch Solenoid Valve

Torque Converter Clutch Solenoid Valve

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Fig 1: View Of Torque Converter Clutch Solenoid Valve
GM8882Courtesy of GENERAL MOTORS CORP.

The torque converter clutch (TCC) solenoid valve is a normally-open exhaust valve that is used to control torque converter clutch apply and release. When grounded (energized) by the powertrain control module (PCM), the TCC solenoid valve stops converter signal oil from exhausting. This causes converter signal oil pressure to increase and move the TCC solenoid valve into the apply position.