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Home >> Ford >> 2010 >> Explorer 4.6 8, AWD >> Repair and Diagnosis >> Transmission >> Automatic Trans >> Automatic Transmission - Automatic Transaxle/Transmission - External Controls >> Description And Operation >> External Controls >> Transmission Control Switch (TCS)

Transmission Control Switch (TCS)

The Transmission Control Switch (TCS) is a momentary contact switch located on the selector lever knob. Pushing the TCS  will either disengage or engage the overdrive function of the transmission. If OVERDRIVE is disengaged, the message O/D OFF will illuminate on the Instrument Cluster (IC).