Proactive Alert Identifier SAC001

Diagnostic Instructions Perform the Diagnostic System Check - Vehicle prior to using this diagnostic procedure Review Strategy Based Diagnosis for an overview of the diagnostic approach. Diagnostic Procedure Instructions for an overview of the diagnostic approach. Proactive Alert Identifier Descriptor Proactive Alert Identifier Service Message Identifier SAC001 Predicted Starting and Charging — Battery — Low Cranking Capacity Due to Shorted Cell Conditions for Running the Proactive Alert Identifier Service message present. Conditions for Setting the Proactive Alert Identifier Battery low cranking capacity due to shorted cell detected. Diagnostic Aids Proactive Alert SAC001 does not require any Battery Charging, Testing or inspections. Battery testing is NOT required, therefore a print out of the Warranty Code when the battery is replaced for SAC001 is not required. OBD system DTCs may have set as a result of a low voltage condition. The DTCs need to be cleared with the scan tool. If the customer cannot provide the SAC001 Proactive Alert, it can be obtained through Service Workbench Alerts. Reference Information Schematic Reference Starting and Charging Schematics Description and Operation Proactive Alerts Description and Operation Electrical Information Reference Circuit Testing Connector Repairs Testing for Intermittent Conditions and Poor Connections Wiring Repairs Special Tools Equivalent regional tools Special Tools Circuit/System Verification

Note

If the concern is still present after following the steps for Diagnostics in any of the Proactive Alert Identifiers, contact GM TAC for further assistance. The GM TAC Agent will arrange for the stuck Proactive Alert to be cleared from OnStar Back Office.

Note

No Diagnosis Time for Battery charging and testing is allowed. Battery charging and testing is NOT required.

1. Verify the customer has the Proactive Alert SAC001 from OnStar, or by using the scan tool “Vehicle Diagnostics” » “Vehicle Proactive Alerts”, or Service Workbench Alerts. ⇒ If Proactive Alert SAC001 is present. Refer to Battery Replacement
2. Clear the Proactive Alert using the scan tool “Vehicle Diagnostics” » “Vehicle Proactive Alerts”. ⇓ If Proactive Alert SAC001 is not present.
3. All Ok. Repair Instructions Perform the Diagnostic Repair Verification after completing the repair: Diagnostic Repair Verification Battery Replacement