Had the 4WD control module remapped (fixing a TSB 23-2182-related issue) and the front seat bolt recall fixed at the dealership. After that, a quick drive to Long Pond to ensure all was in working order.
Glad I found this thread...I'm having a similar issue and suspect it might be related to TSB 23-2182.
The "powertrain/reduced power" alerts popped up last week while driving in 4A/Normal. After the battery tested low overnight, I replaced it and had no issues driving in 2H. Today, I switched...
Thankful this thread and forum exist...
I just had the same issue on my '22 basequatch w/ 45K miles. I used the forum to diagnose the issue and ended up replacing my OEM battery -- the most likely culprit -- based on overnight voltage loss.
I reset the battery management system and let it rest...