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Home >> Ford >> 2001 >> Focus LX, Standard >> Repair and Diagnosis >> External Pages >> Different car >> Section 2177 (Automatic Transmission - 5R110W -- F250-F550 Super Duty) >> Description And Operation >> Transmission Electronic Control System >> Transmission Output Shaft Speed (OSS) Sensor

Transmission Output Shaft Speed (OSS) Sensor

WARNING: This page is about a different car, the 2007 Ford Pickup, 2007 Ford F550 Super Duty, 2007 Ford F450 Super Duty, and 2007 Ford Cab & Chassis. However, it is still accessible from the selected car via links, so may be relevant.

The transmission output shaft speed (OSS) sensor is located on the extension housing. The OSS is a Hall-effect type sensor. The OSS reads the gear teeth on the park gear, different than the teeth used for park function. The OSS input to the PCM is used for shift scheduling, timing and torque converter clutch (TCC) operation vehicle speed. The OSS has bi-directional capability and has a digital output.

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