Circuit/System Verification
WARNING: This page is about a different car, the 2008 Buick Lucerne. However, it is still accessible from the selected car via links, so may be relevant.
- Ignition ON, verify DTC C0895 is set as current.
- Engine running measure and record the voltage at the battery terminals.
- Verify that the battery voltage is 12.6-15.5 volts.
- If the battery voltage is not within the specified range, refer to Charging System Test
- Engine running, observe the scan tool ESC Battery Positive Voltage parameter.
- Verify that the scan tool displays a value that is within 2 volts of the battery terminal voltage.