Proactive Alert Identifier SAC003

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. Review Diagnostic Procedure Instructions for an overview of the diagnostic approach. Proactive Alert Identifier Descriptor Proactive Alert Identifier Service Message Identifier SAC003 Predicted Starting and Charging — Battery — Low Cranking Capability Due to Low State of Charge Conditions for Running the Proactive Alert Identifier Service message present. Conditions for Setting the Proactive Alert Identifier Battery Low Cranking Capability Due to Low State of Charge . Diagnostic Aids Follow the instructions in SI for Battery Inspection/Test and Battery Charging using the EL- 50313 Midtronics GR8 or EL-52800 Exteq DCBS Battery Tester/Charger. Perform the Battery Electrical Drain/Parasitic Load Test in order to verify the cause of the low battery, such as aftermarket equipment, Customer driving habits, etc. Refer to: Battery Electrical Drain/Parasitic Load Test. OBD system DTCs may have set as a result of a low voltage condition. The DTCs need to be cleared with the scan tool. Use the scan tool to clear ALL DTCs prior to releasing the vehicle to the Customer. If the customer cannot provide the 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

If Battery replacement is performed under Warranty a Warranty Code from the EL- 50313 Midtronics GR8 or EL-52800 Exteq DCBS Battery Tester/Charger IS required.

1. Verify the customer has the Proactive Alert SAC003 from OnStar, or by using the Scan Tool “Vehicle Diagnostics” » “Vehicle Proactive Alerts”, or Service Workbench Alerts ⇒ If Proactive Alert SAC003 is present. Refer to Battery Inspection/Test and Battery Charging Perform Battery Electrical Drain/Parasitic Load Test
2. Clear the Proactive Alert Using the Scan Tool “Vehicle Diagnostics” » “Vehicle Proactive Alerts”. ⇓ If Proactive Alert SAC003 is not present.
3. All Ok. Repair Instructions Perform the Diagnostic Repair Verification after completing the repair: Diagnostic Repair Verification Battery Replacement