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Home >> Ford >> 2000 >> Contour SE, 2.5 L, Standard >> Repair and Diagnosis >> External Pages >> Different car >> Section 556 (Automatic Transmission) >> Description And Operation >> Transmission Electronic Control System >> Output Shaft Speed (OSS) Sensor

Output Shaft Speed (OSS) Sensor

WARNING: This page is about a different car, the 2004 Mercury Mountaineer and 2004 Ford Explorer. However, it is still accessible from the selected car via links, so may be relevant.

The output shaft speed (OSS) sensor is a magnetic pickup, located at the park gear trigger wheel assembly, that sends a signal to the powertrain control module (PCM) to indicate transmission output shaft speed. The OSS sensor is mounted externally on the case. The OSS is used for torque converter clutch control, shift scheduling and to determine pressure control (PC).