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Home >> Jeep >> 2008 >> Wrangler X, Automatic >> Repair and Diagnosis >> Transmission >> Transmission Control Systems >> 42RLE Automatic Transmission (Service Information) >> Input Speed Sensor >> Description >> Input And Output Speed Sensors
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Input And Output Speed Sensors

Fig 1: Locating Input Speed, Output Speed & Transmission Range Sensors
GC0009445Courtesy of CHRYSLER LLC
1 - INPUT SPEED SENSOR
2 - OUTPUT SPEED SENSOR
3 - TRANSMISSION RANGE SENSOR

The Input and Output Speed Sensors are two-wire magnetic pickup devices that generate AC signals as rotation occurs. They are mounted in the left side of the transmission case and are considered primary inputs to the Transmission Control Module (TCM). See Fig 1.