Circuit Description
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.
The power steering control module (PSCM) continuously monitors the voltage and current levels being commanded to the power steering motor. The PSCM compares the commanded and feedback current levels to detect malfunctions in the power steering motor.