Cold Weather Level 2 Charging Issue - being resolved in next Update

[kozak79]

I experienced this issue 2 days ago and had to do a hard reset before it would charge. Got this email from Rivian:


"We’ve identified an issue that prevents certain R1 vehicles from AC charging at home or with Level 2 chargers when in colder weather. A permanent fix for this issue will be available next week in an upcoming OTA update.

To charge at home or on a Level 2 charger before receiving the update:

1. Precondition your battery to at least 40°F (Energy app > Prepare for fast charging > Prepare battery).
   • To locate your vehicle’s battery temperature, go to Drive Modes then swipe left on the center display.
2. Perform a vehicle reset (hold Left Thumb Control of the steering wheel and Hazard Lights button for 15 seconds)
3. Plug in the charger.

If this doesn’t work, we recommend preconditioning your battery to a higher battery temperature and trying again.

DC fast charging is not affected, and you can find compatible fast chargers from your vehicle’s Center Display or in the Rivian app. "

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[DavidM]

I got the same email. I reported this issue to Rivian after a 1AM troubleshooting session on why my 2025 R1T wouldn’t charge overnight (17 F ambient).

 

[beatle]

Is this only a gen 2 issue? I think I read that somewhere. I intentionally left the truck to charge at 1am while it was in the teens earlier this week and it charged fine.

 

[kozak79]

My Gen2 R1T wouldn't charge after sitting out all day, trying to charge in the evening. Kept displaying Charge Error with a red light at the R1T charge port. After a hard reset, it did start charging.

 

[theonetruestripes]

I had this after a complicating issue that made me extra worried. Additionally my R1S refused to precondition (the button was greyed out with no explanation). I was at a pretty high state of charge. High enough that I didn’t “need” to charge, but I wanted to make sure it would. I did a scheduled climate and after around 40 minutes it started charging.

So if you can’t precondition the battery for fast charging (or it doesn’t work for you) try scheduling cabin heat (I don’t know if that is any different form just turning it on).

 

[Supratachophobia]

I got the same email. I reported this issue to Rivian after a 1AM troubleshooting session on why my 2025 R1T wouldn’t charge overnight (17 F ambient).

Same, 1hr phone call in 13F weather. But I had to Google the problem before they would admit it was a software glitch.

Edit: I had to pre-condition to 60 btw

 

[cantzler]

We started having this issue for the past 3 weeks with our new R1S, which was charging fine through to mid December in northern California.

AC charger stopped working with time-of-day (start midnight-6am). Constantly waking up to vehicle having no charge overnight.

If we manually started charging in middle of day it works.

After latest update to 2025.46.30 the problem got worse and would not charge at all. I found this thread and the post above and checked out battery temp when not charging... 59F

We preconditioned battery until it got to 61F and it charged first try.

This is absolutely unacceptable for a SW bug like this. Whatever the underlying problem, Rivian needs to urgently release a hot fix that at least preconditions battery to 60+ for time-of-day charging so people don't up every single day without charging successfully.

 

[Time2Roll]

I agree if too cold to charge the precondition should start instead. How hard is that.

 

[mkhuffman]

We started having this issue for the past 3 weeks with our new R1S, which was charging fine through to mid December in northern California.

AC charger stopped working with time-of-day (start midnight-6am). Constantly waking up to vehicle having no charge overnight.

If we manually started charging in middle of day it works.

After latest update to 2025.46.30 the problem got worse and would not charge at all. I found this thread and the post above and checked out battery temp when not charging... 59F

We preconditioned battery until it got to 61F and it charged first try.

This is absolutely unacceptable for a SW bug like this. Whatever the underlying problem, Rivian needs to urgently release a hot fix that at least preconditions battery to 60+ for time-of-day charging so people don't up every single day without charging successfully.

Did you try a hard reboot? Per the release notes 46.30 should have fixed your cold weather charging issue. Maybe it just needs a reboot since you got that update.

Let us know if that works or not.

 

[centrebaseball]

Similar issue. Charging works flawless for 8 months but we just updated to 46.30 and now every time we go to level 2 charge it will start for 20 min and then flip our breaker. Then the wall box will only blink white.
Multiple attempts all the same issue. Only fix I have found is turning amp down to 36 on the charge level over night and it has been working tonight. Ambient temps around 35-40 but R1s is in our attached garage so probably more like 50-55 around the car.
Any thoughts on how to approach this would be appreciated.

 

[mkhuffman]

Similar issue. Charging works flawless for 8 months but we just updated to 46.30 and now every time we go to level 2 charge it will start for 20 min and then flip our breaker. Then the wall box will only blink white.
Multiple attempts all the same issue. Only fix I have found is turning amp down to 36 on the charge level over night and it has been working tonight. Ambient temps around 35-40 but R1s is in our attached garage so probably more like 50-55 around the car.
Any thoughts on how to approach this would be appreciated.

What is the current rating on your breaker?

IMO your issue is unrelated to the update and the update may just be a coincidence. The EVSE cannot exceed the current rating of the EVSE, and if the breaker is sized properly for the EVSE, it will not throw. If the breaker is throwing that means the EVSE is exceeding the current rating of the breaker. So the problem is the EVSE, or the breaker. Maybe something else on that circuit is failing, like a wire connection.

Maybe you can provide a picture of your breaker box? What is the max current rating of the EVSE?

If the breaker is old, like very old, maybe it needs to be replaced. Just make sure the breaker rating does not exceed the rating of the connected circuit (wire, outlet, EVSE, etc.).

 

[centrebaseball]

Good questions.
Our breaker box is 2011. Original to the house. The electrician placed a 50 amp breaker to the EVSE. It is the Rivian wall charger, not sure what the max rating is there, but I have used whatever is “standard” for the R1s since getting the car in May.

only other recent change is that we had an additional circuit placed (on our other breaker box, unrelated to EV) and while there they updated our panels with a whole home surge protector to meet current code in our area.

I’m not currently home but can update with photos later.

 

[Time2Roll]

With a 50 amp breaker the dip switches inside should be set to 40 amps max.

 

[centrebaseball]

Ok. So just unrelated that it started to flip now then? Is there a way to either
A) get a larger breaker? I’m assuming that means getting electrician again
B) setting the amp on the car so it charges at 40? It seems to always reset itself to 48.

 

[mkhuffman]

Good questions.
Our breaker box is 2011. Original to the house. The electrician placed a 50 amp breaker to the EVSE. It is the Rivian wall charger, not sure what the max rating is there, but I have used whatever is “standard” for the R1s since getting the car in May.

only other recent change is that we had an additional circuit placed (on our other breaker box, unrelated to EV) and while there they updated our panels with a whole home surge protector to meet current code in our area.

I’m not currently home but can update with photos later.

The maximum EV charging current for a 50 Amp breaker is 40 Amps. If you had it set on 48 Amps before, that is the problem. The breaker will trip if you set the EVSE to 48 Amps. It might work for a while, but eventually it will overheat.

The Rivian EVSE most likely defaults to 48 Amps.

If the breaker is tripping at 40 Amps, and you used to have it at 48 Amps, then maybe the breaker is damaged due to the stress of 48 Amps. 40 Amps should work without tripping the breaker. Set the EVSE to 40 Amps. If it keeps tripping you need a new 50 Amp breaker.

Do NOT put a 60 Amp breaker on that circuit unless an electrician confirms the wiring can support it. I assume he used a 50 Amp breaker due to the wire he used to run the circuit. Replace it with a 50 Amp breaker. You don't want to burn your house down.

I doubt the whole home surge protector has anything to do with it, unless that is the breaker that is tripping.

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