Conditions for Running the DTCs: P1551

WARNING: This page is about a different car, the 2010 Chevrolet Cobalt. However, it is still accessible from the selected car via links, so may be relevant.

DTC P0111, P0112, P0113, P0116, P0117, P0118, P0119, P0700, P2122, P2123, P2127, P2128, or P2138 is not set.
The ignition is ON.
The vehicle speed is 0 km/h (0 mph).
The engine speed is 0 RPM.
The engine coolant temperature (ECT) is greater than 5-100°C (41-212°F).
The intake air temperature (IAT) is greater than 5-144°C (41-291°F).
The ignition voltage is greater than 10 V.
The accelerator pedal position (APP) is less than 15 percent.
DTC P1551 runs once per ignition cycle when the above conditions are met for less than 1 second.