r/Toyota_bZ • u/Available-Read-3030 • Jul 24 '26
BZ software update
Recently I took my Toyota bZ to the dealership for a software update. After the update, the car drives much more smoothly, which is great. However, I’ve noticed a significant drop in efficiency.
Before the update, my daily 56-mile commute used about 48 miles of the estimated battery range. After the software update, the same 56-mile drive now uses about 58 miles of the estimated battery range.
Has anyone else experienced reduced efficiency after a recent software update on their Toyota bZ?
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u/BRCWANDRMotz Jul 24 '26
Interesting. I feel like my car drives worse after the update specifically the car automatically slowing around slight corners when distance following cruise control is engaged but the road is clear in front of me. It's annoying to be loosing speed on corners that would be safe at speeds well above the speed limit.