GM Service Manual Online
For 1990-2009 cars only

Power Steering Control Module (PSCM) Replacement and Setup

The following service procedures require either a programming or a setup event performed for a complete repair.

If the power steering control module (PSCM) is replaced, the following procedures must be performed in the following order:

    • PSCM Reprogramming--Refer to Service Programming System (SPS) .
    •  Revise the new actuator setup procedure using the Scan Tool setup function.
    • Revise the actuator removal procedure using the Scan Tool setup function.
    • Revise the steering angle position sensor procedure using the Scan Tool setup function.