Conditions for Setting the DTC
WARNING: This page is about a different car, the 2018 GMC Yukon XL, 2018 GMC Yukon, 2018 Chevrolet Tahoe, 2018 Chevrolet Suburban 3500 HD, and 2018 Chevrolet Suburban. However, it is still accessible from the selected car via links, so may be relevant.
P06AC
- The TCM detects a 8 - 10°C (14 - 18°F) or greater difference between the TCM substrate temperature and TCM power up temperature, which depends on the average of transmission fluid temperature, TCM substrate temperature, and TCM power up temperature.
- The TCM detects a 20 - 50°C (36 - 90°F) or greater difference between the transmission fluid temperature and TCM power up temperature, which depends on the average of transmission fluid temperature, TCM substrate temperature, and TCM power up temperature.
- The above conditions have to be met for 5 min within a 6 min period.
P06AD
The TCM power up temperature is -59°C (-74°F) or less for 1 min.
P06AE
The TCM power up temperature is 164°C (327°F) or greater for 1 min.