Diagnostic Aids
WARNING: This page is about a different car, the 2003 Saturn Vue and 2002 Saturn Vue. However, it is still accessible from the selected car via links, so may be relevant.
Extended cranking with a weak battery could set DTC P0961. This DTC can be set if the ignition voltage is too low or too high. Review the failure record for high or low ignition voltage. To located an intermittent problem, use the scan tool to monitor line PC solenoid actual and reference current for a large difference with the engine running. Wiggling wires while watching for a difference between the two parameters may locate the area where a wiring problem may lie. Line PC solenoid resistance at 68°F (20°C) = 3.5-4.1 ohms.