Conditions for Running the DTC

WARNING: This page is about a different car, the 2004 GMC Sierra, 2004 GMC Cab & Chassis Sierra, 2004 Chevrolet Silverado, and 2004 Chevrolet Cab & Chassis Silverado. However, it is still accessible from the selected car via links, so may be relevant.

DTCs P0068, P0101, P0102, P0103, P0107, P0120, P0220, P0442, P0443, P0446, P0455, P1125, P1516, P2101, P2108, P2120, P2121, P2125, P2135 are not set.
The engine is running.
The engine speed is between 400-5,000 RPM.
Any change in the engine speed is less than 125 RPM.
The traction control is not active.
The A/C compressor clutch state does not change.
The power steering load is stable.
The brake switch state does not change.
The power take-off (PTO), if equipped, is not active.
The clutch switch state does not change, if equipped.
The above conditions are met for 1 second.