F 250 4WD Super Duty V10-6.8L (2002)
Transmission Mode Switch: Description and Operation
PCM Output
Transmission Control Indicator Lamp
The Transmission Control Indicator Lamp (TCIL) is an output signal from the PCM that controls the lamp on/off function depending on the
engagement or disengagement of overdrive. Refer to Transmission Control Switch in Hardware PCM Inputs.
