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Home >> Saturn >> 2002 >> LW300 >> Repair and Diagnosis >> External Pages >> Different car >> Section 314 (Automatic Transaxle - 4T40-E/4T45-E - Diagnosis (DTC P0218 To DTC P0717)) >> Diagnostic Trouble Codes >> DTC P0711 (2.2L (L61)) >> Circuit Description

Circuit Description

WARNING: This page is about a different car, the 2003 Saturn LW300, 2003 Saturn LW200, 2003 Saturn L300, and 2003 Saturn L200. However, it is still accessible from the selected car via links, so may be relevant.

The automatic transmission fluid temperature (TFT) sensor is a negative coefficient thermistor. When the transmission fluid is cold, the sensor resistance is high. As the transmission fluid warms, the sensor resistance decreases. This diagnostic monitors the TFT circuit. The circuit may be functional, but not in the normal operating range. This diagnostic indicates stuck, erratic, intermittent, or skewed values, indicating poor system performance. The TFT range is -40 to +151°C (-40 to +305°F).

When the PCM detects an intermittent voltage or no voltage change in the TFT sensor circuit, then DTC P0711 sets. DTC P0711 is a type C DTC.

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