Circuit/System Verification
- Verify that DTC C0899 is set as current.
- If DTC C0899 is set as history refer to Charging System Test (Solstice) or Charging System Test (SKY)
- Ignition OFF, measure the voltage at the battery terminals.
- Ignition ON, observe the scan tool EBCM Battery Positive Voltage parameter.
- Verify that battery terminal voltage and Battery Positive Voltage parameter readings do not differ by more than 2 volts.