DTC P0668
WARNING: This page is about a different car, the 2008 GMC Sierra, 2008 GMC Cab & Chassis Sierra, 2008 Chevrolet Silverado, and 2008 Chevrolet Cab & Chassis Silverado. However, it is still accessible from the selected car via links, so may be relevant.
DTC P0668 has not failed this ignition cycle.
DTC P0669
- The transmission output shaft speed is greater than 200 RPM for greater than 200 seconds.
- The TCC slip speed is equal to or greater than 120 RPM for 200 seconds or greater.
- DTC P0669 has not failed this ignition cycle.