After replacing the battery, a few weeks later it died. I found the negative terminal had loosened up. I know I had tightened it. Then several months later the same thing happened. Retightened now I monitor the connection.
I did not get a message in the DIC. I think the DIC system only monitors the output of the alternator. Although, when I have the key on the DIC shows battery at 12VDC. When its running it shows 13.9 to 14.7 volts. Go figure.