No Torque Converter Clutch Release
WARNING: This page is about a different car, the 2018 GMC Yukon XL, 2018 GMC Yukon, 2018 Chevrolet Tahoe, 2018 Chevrolet Suburban 3500 HD, and 2018 Chevrolet Suburban. However, it is still accessible from the selected car via links, so may be relevant.
| Checks | Causes |
|---|---|
| Torque Converter Assembly (1) | Diagnose torque converter for possible internal damage. Refer to Torque Converter Diagnosis . |
| Fluid Pump Cover Assembly (219) |
|
| Control Valve Lower Body Assembly (307) | Inspect for worn, damaged, or sticking TCC regulator apply valve (355). |