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Transmission Temperature Sensor

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Fig 1: Transmission Temperature Sensor
GC0081301Courtesy of CHRYSLER LLC
1 - TRANSMISSION TEMPERATURE SENSOR

The temperature of the transmission oil has a considerable effect on the shifting time and therefore the shift quality. By measuring the oil temperature, shift operations can be optimized in all temperature ranges. The transmission oil temperature sensor (1) is switched in series with the park/neutral contact. The temperature signal is transferred to the TCM only when the dry-reed contact of the park/neutral contact is closed in REVERSE or a forward gear position.

Fig 2: Transmission Temperature Sensor Specifications
GC0095850Courtesy of CHRYSLER LLC

Refer to the Transmission Temperature Sensor Specifications table in Fig 2 for the relationship between transmission temperature, sensor voltage, and sensor resistance.