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Home >> Buick >> 2011 >> Lucerne CX >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 9 (Automatic Transmission - 4T80-E - Diagnostic Information And Procedures) >> Diagnostic Information and Procedures >> Torque Converter Clutch Not Disengaging

Torque Converter Clutch Not Disengaging

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Torque Converter Clutch Not Disengaging

Checks Causes
Brake Switch Short to B+
Converter Feed Limit Valve Stuck ON due to debris
TCC Solenoid Valve Stuck ON due to debris