Conditions for Running the DTC
WARNING: This page is about a different car, the 2007 GMC Sierra, 2007 GMC Cab & Chassis Sierra, 2007 Chevrolet Silverado, and 2007 Chevrolet Cab & Chassis Silverado. However, it is still accessible from the selected car via links, so may be relevant.
P0068
- DTCs P0641, P0651, P1516, P2101, P2119, P2176 are not set.
- The engine is running.
- DTC P0068 run continuously when the above conditions are met.
P0121
- DTCs P0102, P0103, P0107, P0108, P0112, P0113, P0116, P0117, P0118, P0128, P0315, P0335, P0336 are not set.
- The engine speed is more than 450 RPM.
- DTC P0121 run continuously when the above conditions are met.