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, and P2610 are not set.
The ignition is in Unlock, Accessory, Run, or Crank.
The ignition voltage is more than 5.23 V.
DTCs P0641 and P0651 run continuously when the above conditions are met.