Conditions For Running DTC

WARNING: This page is about a different car, the 2003 Chevrolet Corvette. However, it is still accessible from the selected car via links, so may be relevant.

DTC P0101, P0102, P0103, P0107, P0108, P0440, P0442, P0443, P0446, P1120, P1125, P1220, P1221, P1275, P1276, P1280, P1281, P1285, P1286, P1514, P1515, P1516, P1517, or P1518 are not set.
The engine speed is between 400-5000 RPM.
The change in engine speed is less than 125 RPM.
The traction control is not active.
The A/C compressor clutch is steady.
The power steering is stable.
The clutch switch state does not change.
The brake switch state does not change.
The conditions are stable for 1 second.