Conditions for Running the DTC: P0503

WARNING: This page is about a different car, the 2010 Pontiac G5 and 2010 Chevrolet Cobalt. However, it is still accessible from the selected car via links, so may be relevant.

DTC P0502 is not set.
The engine speed is 450-6,800 RPM for 8 seconds.
The system voltage is 10-18V.
The time since the last gear change is 6 seconds or more.
The engine speed change is more than 500 RPM in 2 seconds.