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Input/Turbine Speed Sensor (A) Circuit

The Input Speed Sensor detects the primary pulley revolution speed and sends a signal to the Transmission Control Module (TCM) and Engine Control Module (ECM). The ECM sets the OBDII code when the Input Speed Sensor is out of factory specifications.

Faulty Transmission Speed Sensor
Transmission Speed Sensor harness is open or shorted
Transmission Speed Sensor circuit poor electrical connection

Check engine light
Possible shifting problems

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