F 250 2WD Super Duty V8-7.3L DSL Turbo VIN F (1999)
Transmission Speed Sensor: Description and Operation
Output Shaft Speed Sensor
The output shaft speed (OSS) sensor is a magnetic pickup that provides transmission output shaft rotation speed information to the powertrain control
module,
The output shaft speed (OSS) sensor is mounted externally on the top of the transmission case. The PCM uses the output shaft speed (OSS) sensor signal
to help determine electronic pressure control (EPC) pressure, shift scheduling and torque converter clutch (TCC) operation.
