Transmission Control Switch (TCS)

WARNING: This page is about a different car, the 2010 Lincoln Town Car. However, it is still accessible from the selected car via links, so may be relevant.

The Transmission Control Switch (TCS) control:

is located on the end of the selector lever.
- The TCS is not removable from the selector lever. Install a new selector lever if a new TCS is required.
is a momentary contact switch.
commands the PCM to disengage or engage the Overdrive (O/D) function of the transmission.
- When the Overdrive (Circle D) selection is disengaged, the message O/D OFF will illuminate on the Instrument Cluster (IC).