F 350 2WD Super Duty V8-6.0L DSL Turbo VIN P (2004)
Transmission Mode Switch: Description and Operation
TRANSMISSION CONTROL SWITCH
Column-shaft Transmission Control Switch
On automatic transmission equipped vehicles, the transmission control switch provides an input signal to the PCM whenever the switch is pressed. For
F-SuperDuty/Excursion, the tow/haul indicator will illuminate when the transmission control switch is cycled to engage and disengage the tow/haul
strategy. For E-Series, the overdrive cancel indicator will illuminate when the transmission control switch is cycled to engage or disengage the overdrive
function of the transmission.