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Torque Converter Clutch (TCC) Releases

WARNING: This page is about a different car, the 2019 Buick Cascada, 2018 Buick Cascada, and 2017 Buick Cascada. However, it is still accessible from the selected car via links, so may be relevant.

Torque Converter Clutch (TCC) Pressure Control (PC) Solenoid 

If the TCC is applied when an electrical condition commands a protection mode, the TCC PC solenoid defaults to its normally-low state (OFF), allowing PCS TCC fluid to exhaust and the TCC to release. See Drive Range - Sixth Gear for a complete description of TCC release.

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