Diagnostic Aids
WARNING: This page is about a different car, the 2003 Oldsmobile Bravada, 2003 GMC Envoy XL, 2003 GMC Envoy, and 2003 Chevrolet TrailBlazer. However, it is still accessible from the selected car via links, so may be relevant.
- Contamination may cause the TCC apply valve to stick in the valve body.
- There may be internal damage in the torque converter causing the no TCC apply.