Conditions for Running the DTC

WARNING: This page is about a different car, the 2004 GMC Envoy XUV, 2004 GMC Envoy XL, 2004 Chevrolet TrailBlazer, and 2004 Buick Rainier. However, it is still accessible from the selected car via links, so may be relevant.

DTCs P0601, P0602, P0604, P0606, P1516, P2101, P2108, or U0107 are not set.
The following DTCs are not active at the same time:
P1120, P1220, P1221
The following DTCs are not active at the same time:
P1120 and P1220
The engine operates longer than 1 second.
The engine speed is more than 500 RPM.