Automatic Transmission

Output Speed Sensor Description and Operation

~1min read

Description

The output speed sensor is a critical device that measures the rotational speed of the turbine shaft and the transmission secondary shaft, and sends the reading to the Transmission Control Module (TCM). The sensor provides critical input data used in feedback control, torque converter clutch control, gear shift control, line pressure control, clutch engagement pressure control, and sensor fault diagnosis.

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A quick Kia Cadenza VG Owner's Manual quiz: every answer comes with an explanation and a link to the manual page.