Diagnostic Aids
WARNING: This page does not describe the selected car, but rather 8 other vehicles, including the 2003 GMC Yukon XL, 2003 GMC Yukon, 2003 Chevrolet Tahoe, 2003 Chevrolet Suburban, and 2003 Chevrolet Avalanche. However, it is still accessible from the selected car via links, so may be relevant.
The TCC fluid hydraulically applies the TCC, possibly causing an engine stall, under the following conditions:
- The TCC is hydraulically stuck ON
- The parking brake is applied
- Any gear range is selected