Can a software update really break your charging? / Home Level 2 charging got slower or started cutting out right after a new software version

Home Level 2 charging got slower or started cutting out right after a new software version

What people actually reported
'Charging Stopped' 5-10 min after plug-in; 26.7 no fix
“Mine started with 2025.26.4 on a Model Y. On the 14-50 it throws 'Charging Stopped' about 5-10 minutes after I plug in, right when the car goes to sleep.”
@rsteffen_
Update quietly cut charge current from 40A to 30A
“TeslaFi is the only reason I noticed when an update on my MX quietly dropped the charge current from 40A to 30A.”
@gstraub_44
Charging drops out after 20-30 seconds since patch
“Ever since the dealer put the recall patch on, my WallBox starts charging, runs about 20-30 seconds, then drops out.”
@dpruett_61
Charge rate reduced nightly, stuck near 17A
“Since the last update it says 'charge rate reduced, unplug and retry' almost every night and sits around 17A.”
@tstaples_
Charging crawls past 66% after car and charger updates
“Charging has absolutely crawled since, like a couple of hours per percent once it's past 66%.”
@callum_r
Amp-reduction setting vanished from screen after update
“After the last update on my Mach-E, the option on the screen I used to turn the amps down just isn't there anymore.”
@brian_kessel
Charge current stuck at 32A since last update
“Mine's on a Wall Connector too and has been stuck at 32 since the last update.”
@tbrandt_17
'Charging Stopped' 5-10 min after plug-in following update
“Mine started with 2025.26.4 on a Model Y. On the 14-50 it throws 'Charging Stopped' about 5-10 minutes after I plug in, right when the car goes to sleep.”
@rsteffen_
Nightly 'charge rate reduced' warning, ~17A, after update
“Since the last update it says 'charge rate reduced, unplug and retry' almost every night and sits around 17A.”
@tstaples_
WallBox session drops out after 20-30 seconds since patch
“Ever since the dealer put the recall patch on, my WallBox starts charging, runs about 20-30 seconds, then drops out.”
@dpruett_61
Charging crawled after both updates; slow past 66%
“My home charger pushed an update around the same time the car got its update, so now I've got no idea which one to blame. Charging has absolutely crawled since, like a couple of hours per percent once it's past 66%.”
@callum_r
Amp-reduction setting vanished from screen after update
“After the last update on my Mach-E, the option on the screen I used to turn the amps down just isn't there anymore.”
@brian_kessel
Update quietly cut charge current from 40A to 30A
“TeslaFi is the only reason I noticed when an update on my MX quietly dropped the charge current from 40A to 30A.”
@gstraub_44
Charge rate stuck at 32A since last update
“Mine's on a Wall Connector too and has been stuck at 32 since the last update. I don't run a logger, so the only reason I caught it was that the screen stopped showing around 37 mi/hr.”
@tbrandt_17