Conditions for Running the DTC

WARNING: This page is about a different car, the 2007 Pontiac G5 Pursuit, 2007 Pontiac G5, and 2007 Chevrolet Cobalt. However, it is still accessible from the selected car via links, so may be relevant.

No Vehicle Speed Sensor Codes P0503.
Engine speed is between 1,000-5,000 RPM.
Throttle position is 15 percent or more.
Engine vacuum is less than 22.89 kPa (3.320 psi).
No throttle position codes.