buick Workshop Repair Guides

Buick Workshop Service and Repair Manuals

Park Brake Switch|Page 10508 > < Park Brake Switch|Page 10506
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Brake Light Switch: Description and Operation

Torque Converter Clutch (TCC) Solenoid Circuit

The TCC brake switch informs the PCM of braking conditions. During such conditions the PCM deactivates the TCC solenoid to allow hydraulic
coupling between engine and transaxle to resume.

Park Brake Switch|Page 10508 > < Park Brake Switch|Page 10506