Transmission Control Module

WARNING: This page is about a different car, the 2000 Cadillac Catera. However, it is still accessible from the selected car via links, so may be relevant.

The condition for the DTC is no longer present. The TCM turns off the STL
The ECM turns off the MIL after three consecutive drive trips during which the TCM sends no MIL request
The scan tool clear DTC function is used
A history DTC clears after 40 consecutive warm-up cycles, if no failures are present by this diagnostic or any other emission related diagnostic
The TCM cancels the DTC Default Mode actions when the malfunction no longer is present and the ignition switch is off long enough to power down the TCM