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Home >> Lincoln >> 2003 >> Navigator RWD >> Repair and Diagnosis >> Transmission >> Automatic Trans >> Automatic Transaxle/Transmission >> Description And Operation >> Transmission Electronic Control System >> Output Shaft Speed (OSS) Sensor

Output Shaft Speed (OSS) Sensor

The output shaft speed (OSS) sensor is a magnetic pickup that provides transmission output shaft rotation speed information to the powertrain control module (PCM).

The OSS sensor is mounted externally on the top of the transmission extension housing. The PCM uses the OSS sensor signal to help determine electronic pressure control (EPC) pressure, shift scheduling and torque converter clutch (TCC) operation.

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