LS V6-3.0L DOHC VIN S (2000)
Transmission Mode Switch: Description and Operation
Transmission Control Switch
Transmission Control Switch (TCS)
Transmission Control Switch (TCS)
The Transmission Control Switch (TCS) signals the PCM with keypower whenever the TCS is pressed. On vehicles with this feature, the
Transmission Control Indicator Lamp (TCIL) lights when the TCS is cycled to disengage overdrive. The operator of the vehicle controls the position
of the TCS.