Circuit/System Verification
WARNING: This page is about a different car, the 2020 GMC Acadia. However, it is still accessible from the selected car via links, so may be relevant.
- Verify the battery cable connections are clean and tight and verify battery voltage is between 12.0 - 15.0 V measured at the battery terminals.
- If not within the specified range
Refer to Battery Inspection/Test
- Go to next step: If within the specified range
- If not within the specified range
- Verify the customer has the Proactive Alert SAC002 from OnStar, or by using the Scan Tool "Vehicle Diagnostics" - "Vehicle Proactive Alerts", or Service Workbench Alerts.
- If Proactive Alert SAC002 is present.
Refer to Circuit/System Testing.
- Go to next step: If Proactive Alert SAC002 is not present.
- If Proactive Alert SAC002 is present.
- All OK.