Diagnostic Aids

WARNING: This page is about a different car, the 2008 Pontiac G5 and 2008 Chevrolet Cobalt. 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.
It is possible for an internal TCM failure which may not allow sufficient current to operate the solenoids. Verify TCM functionality by commanding the suspected solenoid ON/OFF using the scan tool and listen for a click.