Conditions for Running the DTC
WARNING: This page does not describe the selected car, but rather 8 other vehicles, including the 2007 GMC Yukon XL, 2007 GMC Yukon, 2007 Chevrolet Tahoe, 2007 Chevrolet Suburban, and 2007 Chevrolet Avalanche. 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.