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Home >> GMC >> 2020 >> Terrain Denali, FWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 1 (Automatic Transmission - 6T40 (MNH) - Diagnostic Information And Procedures) >> Diagnostic Information and Procedures >> No Torque Converter Clutch Release

No Torque Converter Clutch Release

WARNING: This page is about a different car, the 2020 Chevrolet Equinox. However, it is still accessible from the selected car via links, so may be relevant.
Checks Causes
Torque Converter(28) Diagnose Torque Converter (28) for possible internal damage. Torque Converter Diagnosis 
Automatic Transmission Fluid Pump Body(303) Inspect for worn, damaged or sticking Torque Converter Clutch Control Valve (312).
Control Valve Body(433) Inspect for worn, damaged or sticking Torque Converter Clutch Regulator Apply Valve (425) and Torque Converter Clutch Regulator Apply Shuttle Valve (426).