Diagnostic Aids
WARNING: This page is about a different car, the 2008 GMC Yukon XL, 2008 GMC Yukon, 2008 Chevrolet Tahoe, 2008 Chevrolet Suburban, and 2008 Chevrolet Avalanche. However, it is still accessible from the selected car via links, so may be relevant.
If the DTC is cleared, then will not reset when the vehicle is driven, some of the following conditions may exist:
- Fluid contamination
- Plugged fluid circuits
- Restricted fluid circuits
- Inspect transmission fluid lines to radiator. Lines may be pinched, plugged or twisted.
- Refer to Shift Solenoid Valve State and Gear Ratio .
- Internal damage to the torque converter may prevent TCC application.