Conditions for Running the DTC
WARNING: This page is about a different car, the 2007 Cadillac DTS. However, it is still accessible from the selected car via links, so may be relevant.
P0068
- DTCs P0122, P0123, P0220, P0221, P0222, P0223, P0601, P0602, P0603, P0604, P060D, P062F, P0606, P0652, P0653, P1516, P2101, P2119, P2135, P2176 are not set.
- The engine is running.
- DTC P0068 runs continuously when the above conditions are met.
P0121
- DTCs P0102, P0103, P0107, P0108, P0112, P0113, P0117, P0118, P0116, P0128, P0122, P0123, P0220, P0221, P0222, P0223, P0335, P0336, P0401, P0405, P0601, P0602, P0603, P0604, P060D, P062F, P0606, P0652, P0653, P1404, P1516, P2101, P2119, P2135, P2176 are not set.
- The engine coolant temperature (ECT) is between 70-121°C (158-249°F).
- The engine IAT is between -7 and +60°C (+19 and +140°F).
- The engine speed is between 550-5,000 RPM.
- DTC P0121 runs continuously when the above conditions are met.