Conditions For Running DTC

WARNING: This page does not describe the selected car, but rather 7 other vehicles, including the 2003 GMC Yukon XL, 2003 GMC Sierra, 2003 GMC Cab & Chassis Sierra, 2003 Chevrolet Suburban, and 2003 Chevrolet Silverado. However, it is still accessible from the selected car via links, so may be relevant.

DTC P0101, P0102, P0103, P0107, P0108, P0120, P0220, P0401, P0404, P0405, P0442, P0443, P0446, P0455, P1125, P1514, P1515, P1516, P1518, P2108, P2120, P2121, P2125, P2126, P2130, P2131, P2135 are not set.
The engine speed is between 400-5,000 RPM.
The change in engine speed is less than 125 RPM.
Traction control, if equipped, is not active.
The A/C compressor clutch is steady.
The power steering is stable.
The power take-off (PTO), if equipped, is not active.
The clutch switch state does not change, if equipped with a manual transmission.
The brake switch state does not change.
The above conditions are met for 1 second.