Conditions for Setting the DTC
WARNING: This page is about a different car, the 2011 GMC Yukon, 2011 Chevrolet Tahoe, and 2011 Cadillac Escalade. However, it is still accessible from the selected car via links, so may be relevant.
P0667
- The difference between the TCM temperature and Trans. Fluid Temp. is greater than 15-50°C (59-122°F), depending on the highest of the Trans. Fluid Temp., TCM temperature and TCM power up temperatures.
- The difference between the TCM power up temperature and TCM substrate temperature is greater than 8-10°C (46-50°F), depending on the highest of the Trans. Fluid Temp., TCM temperature and TCM power up temperatures.
- The above conditions have to be met for 5 minutes.
P0668
The TCM temperature parameter is less than -60°C for 60 seconds.
P0669
The TCM temperature parameter is greater than 60 seconds.