Dodge

Is this a computer problem and which one tcm bcm pcm regulates this? thanks

The charging system is extremely easy to understand and diagnosis. if you replaced the old alternator with the same amp output (it should be 130 amps) you should have no problems. voltage at the battery should be 14.7 above idlewith major accessiores on. if not look at the voltage regulatorthis will control the voltage output not the computers. also check all of your grounds. people tend to overlook these butelectrity needs a nice ground hope this helps