Battery saver mode

[Jut Polovitz]

I have a 2016 ram 4500 last night I was on my way home and the battery saver mode came on and a short time later my voltage started dropping to the point that the truck quit pulling I pulled over and cut the truck off then tryed to start it all it did was click I hooked my jumper cables to it it jumped up to 12 volts I let it charge for a few then got the truck home I keep it running and it stated dropping voltage I know it's possible a bad alnator but just want to make sure there is no major problem

 

[nukegm]

comrade - id check the voltage at the batteries with a voltmeter. at an idle and at higher rpm. see if its charging or not. cheers!

 

[Hoefler]

I just went through this, bad battery Have your batteries load tested

 

[EDankievitch]

When this same issue happened with my truck my alternator fried an almost took the wiring harness with it. There was a recall on my alternator. You might want to have yours checked.