Conditions for Running the DTC
- The Ignition 1 Signal parameter is more than 11 volts.
- The EGR command will be disabled if the startup engine coolant temperature (ECT) is less than 5°C (41°F) and will not enable until the ECT is more than 75°C (167°F).
- The EGR valve is commanded to open.
- The EGR flow test is not active.