Conditions for Running the DTC

WARNING: This page is about a different car, the 2007 Hummer H2. However, it is still accessible from the selected car via links, so may be relevant.

DTCs P0116, P0117, P0118, P0120, P0122, P0123, P0125, P0128, P0220, or P2135 are not set.
The minimum noise level must be learned. The minimum noise level is learned when the following conditions are met:
- The engine coolant temperature (ECT) is more than 60°C (140°F).
- The engine RPM is between 475-975 for 10 seconds.
The engine speed is between 1,500-3,000 RPM.
The manifold absolute pressure (MAP) is less than 45 kPa.
The engine run time is more than 10 seconds.
The ignition voltage is more than 10 volts.
DTC P0327 or DTC P0332 runs continuously once the above conditions are met.