Conditions for Setting the DTC

WARNING: This page is about a different car, the 2012 GMC Yukon, 2012 Chevrolet Tahoe, and 2012 Cadillac Escalade. However, it is still accessible from the selected car via links, so may be relevant.

P06AC

The difference between the TCM power up and the TCM substrate temperature is greater than 8-10°C (14-18°F) depending on the average of the Trans. Fluid Temp., TCM substrate, and TCM power up temperatures.
The difference between the TCM power up and the Trans. Fluid Temp. temperature is greater than 20-50°C (36-90°F), depending on the average of the Trans. Fluid Temp., TCM substrate, and TCM power up temperatures.
The above conditions have to be met for 5 minutes within a 7 minute period.

P06AD

The TCM power up temperature is -59°C (-74°F) or less for 1 minute.

P06AE

The TCM power up temperature is 164°C (328°F) or greater for 1 minute.