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2025 Ram 1500 Charging issues

tdecker

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May 31, 2025
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I have a 2025 Ram 1500 3.6 Penstar with eTorque. Several weeks ago while driving, the Battery Voltage light came on. I switched the display to show the battery voltage and it was down to about 11 volts. I pulled over and shut the truck down. When I restarted every thing was fine for several days and then it happened again. Same thing...red voltage light....shut off truck and restart and every thing normal. This went on for several days and I finally took the truck into the dealer. They plugged in and looked at the codes and decided that there was an internal short in the 48 volt battery. They replaced it...I drove off and in short order the same thing happened. I took it back and this time they replaced the entire Motor Generation Unit. That took several days. I got the truck back and drove it for about a week and the same issue is happening again.

What is going on here?? Is this a software glitch? Has anyone else had this problem? Looking for insight since the dealership has yet to solve the issue.
 

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