By monitoring and reporting on the vehicle's key systems, OnStar Advanced Diagnostics provides a way to keep up on maintenance.
Capabilities vary by model. See www.onstar.com for details and system limitations. Message and data rates may apply. Advanced Diagnostics requires an active OnStar paid subscription, e-mail address on file, and enrollment in Advanced Diagnostics.
Includes:
Not all issues will deliver alerts.
In some cases, a dealer service check may be required to confirm the accuracy of the alerts.
To begin, press to speak to an
Advisor, or see www.onstar.com.
Power Steering System Description and Operation (Electronic Power Steering) Hydraulic Steering
K43Power Steering Control ModuleK17Electronic Brake Control ModuleP16Instrument ClusterB137Power Steering Shaft Torque SensorM38Power Steering MotorThe power steering system consists of the following components:The power steering control moduleThe power steering motorThe power steering motor rotatio ...