Circuit/System Description
WARNING: This page is about a different car, the 2019 Chevrolet Malibu. However, it is still accessible from the selected car via links, so may be relevant.
For an overview of the component/system, refer to:OnStar Description and Operation
| Circuit | Description |
|---|---|
| B+ | Supplied from a fuse. |
| Low Reference | Grounded through the control module. |
| Component | Description |
|---|---|
| C3 Telematics Communication Interface Control Module Battery | This battery supplies the control module K73 with voltage in case the vehicle's battery fails. |
| K73 Telematics Communication Interface Control Module | OnStar provides subscription-based services for communications, security, hands-free calling, navigation, internet access, and remote diagnostics. |