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Home >> Pontiac >> 2009 >> G3 Automatic >> Repair and Diagnosis >> Transmission >> Hydraulic Diagrams >> Automatic Transmission - AISIN 81-40LE - Removal & Installation, Service, Overhaul, Troubleshooting & Diagnosis >> Description And Operation >> Electronic Component Description >> Transmission Fluid Temperature (TFT) Sensor

Transmission Fluid Temperature (TFT) Sensor

The transmission fluid temperature (TFT) sensor (1) provides the transmission control module (TCM) with information on the transmission fluid temperature.

The TCM uses information from the TFT sensor to calculate the gear shift points and to engage the torque converter lock-up function.

Fig 1: Transmission Fluid Temperature (TFT) Sensor
GM1248153Courtesy of GENERAL MOTORS CORP.