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Home >> Cadillac >> 2009 >> STS V >> Repair and Diagnosis >> Electrical >> Charging Systems >> Battery, Charging System And Starting System >> Diagnostic Information and Procedures >> DTC C0899 >> Circuit/System Verification

Circuit/System Verification

  1. Engine running, measure and record the voltage at the battery terminals.
  2. Verify that the battery voltage is 12.6-15.5 V.
  3. Engine running, observe the scan tool EBCM battery positive voltage parameter. The reading should be between 12.6 and 15.5 V.