P1684 - Fail Case 1

WARNING: This page is about a different car, the 2009 Saturn Vue. However, it is still accessible from the selected car via links, so may be relevant.

Vehicle speed is 8 km/h (5 mph) or greater for 300 seconds cumulative.
TCC slip speed is greater than 120 RPM for 300 seconds cumulative.
The TCM power up temperature is between -40 and +21°C (-40 and +70°F).
The TCM power up temperature has changed by less than 2°C (3.6°F) in 100 seconds.
The transmission fluid temperature (TFT) is 70°C (158°F) or greater.
The TFT has increased by 55°C (99°F) since startup.