Conditions for Setting the DTC

WARNING: This page is about a different car, the 2016 GMC Acadia, 2016 Chevrolet Traverse, and 2016 Buick Enclave. However, it is still accessible from the selected car via links, so may be relevant.

P0711

TCM detects a 20-50° C (36-90° F) or greater difference between the transmission fluid temperature and the TCM substrate temperature, which depends on the average of the transmission fluid temperature, TCM substrate temperature, and TCM power up temperature.
TCM detects a 20-50° C (36-90° F) or greater difference between the transmission fluid temperature and the TCM power up temperature, which depends on the average of the transmission fluid temperature, TCM substrate temperature, and TCM power up temperature.
Above conditions have to be met for 5 min within a 6 min period.

P0712

Transmission fluid temperature is -74°C (-101°F) or lower for 1 min.

P0713

Transmission fluid temperature is 174°C (345°F) or greater for 1 min.