Harsh Torque Converter Clutch Apply, or Inoperative or No Electronically Controlled Capacity Clutch Control
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.
| Checks | Causes |
|---|---|
| Torque Converter Assembly (28) |
|
| Valve Body Assembly (433) | Inspect for worn, damaged or sticking TCC Regulator Apply (425) and TCC Regulator Apply Shuttle (426) Valves. |