Conditions for Setting the DTC
WARNING: This page is about a different car, the 2004 GMC Sierra, 2004 GMC Cab & Chassis Sierra, 2004 Chevrolet Silverado, and 2004 Chevrolet Cab & Chassis Silverado. However, it is still accessible from the selected car via links, so may be relevant.
DTC P0768 sets when the TCM detects one of the following conditions for greater than 100 milliseconds:
- An open circuit or short to ground is detected when D solenoid is commanded OFF.
- A short to power is detected when D solenoid is commanded ON.