Conditions for Running the DTC

WARNING: This page is about a different car, the 2009 Saturn Vue. However, it is still accessible from the selected car via links, so may be relevant.

DTCs P0601, P0602, P0603, P0604, P0605, P0606, P0607, P060D, P062F and P2610 are not set.
The ignition is ON.
The ignition voltage is greater than 5.23 volts.
The DTCs run continuously when the above conditions are met.