Conditions for Running the DTC

WARNING: This page is about a different car, the 2004 Chevrolet Corvette. However, it is still accessible from the selected car via links, so may be relevant.

DTCs P0117, P0118, P0121, P0122, P0123, P0125, P1114, P1115, P1121 or P1122 are not set.
The minimum noise level must be learned. The minimum noise level is learned when the following conditions are met:
- The ECT must be greater than 60°C (140°F).
- The engine RPM is between 475-975 for 10 seconds.
Engine speed is between 1500 RPM and 3,000 RPM.
Map is less than 49 kPa.
Engine coolant temperature (ECT) is more than 60°C (140°F).
Throttle angle is more than 0 percent.
Engine run time is more than 10 seconds.
Ignition voltage is more than 10 volts.