P1684 - Fail Case 1
- 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.