The 2008 Chevy Cobalt typically has only one power steering module. The power steering module is responsible for controlling and assisting the power steering system in the vehicle. It receives inputs from various sensors to determine the steering effort required and adjusts the power steering assistance accordingly.
What problems are you having? Have you scanned the computer to see if there are diagnostic trouble codes? In this case, you will need a scan tool that reads all codes via the can-bus.
Here is a link that explains how it's done:
https://www.2carpros.com/articles/can-scan-controller-area-network-easy
Let me know.
Joe
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Friday, May 26th, 2023 AT 11:49 PM