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Home >> Ford >> 2000 >> Contour SE, 2.5 L, Standard >> Repair and Diagnosis >> External Pages >> Different car >> Section 75 (Automatic Transmission - Diagnosis - 4R70W) >> Description & Operation >> Input Sensors >> Output Shaft Speed Sensor

Output Shaft Speed Sensor

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The Output Shaft Speed (OSS) sensor is a magnetic pick-up, located at output shaft ring gear. Sensor sends output shaft speed signal to PCM. PCM uses OSS sensor signal to help determine EPC pressure, shift scheduling and TCC operation. Sensor failure may cause no TCC lock-up, harsh shifting and incorrect shift speeds.

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