2018 Model 3 Heat Broken After Installing 2022.44

[thelastdeadmouse]

I have a 2018 Model 3 Performace I recently updated from a 2022.28 version to a 2022.44 version (I don't have wifi where I park). Shortly after (immediately?) running the update my heater stopped working. The fan blows but it blows cold. I was part of the group of people that had issues with the heater not working after an update last winter, but that was fixed with a subsequent update. I've updated the car again to 2022.44.30.10 and have rebooted the car using the steering wheel but the heat still isn't working.

In the HVAC menu I get a message "Climate keeper unavailable due to system fault" but am not showing any active alerts. However if I enter servic mode I'm showing two relevant alters, "VCRIGHT_a262_PTCFaulted" (PTC heater is faulted due to the reason set in the alert context data) and "VCRIGHT_a538_hvacSystemNotNominal" (The right vehicle controller (VCRIGHT) detects the HVAC system in not nominal due to a condition, which may cause Climate Keeper Mode functionality to be limited or unavailable.)

After running the second update I attempted to start the climate from the app to see if the heat would run, and it did for about 30 seconds heating the car up a few degrees, but turned itself off shortly afterward and now when I attempt to I get the message Climate On failed Climate failed to start.

Is this a problem anyone else has seen with this update? Is it possible the update caused this or is this just a PTC heater failure with coincidental timing?

 

[thelastdeadmouse]

Small update, I tried starting the climate from the app again before running errands and once again it ran for about 30 seconds, the cabin temp increased about 2 degrees, then it turned itself off again. So obviously the PTC heater is capable of making heat, but maybe the car is seeing some data that makes it think it's unsafe or otherwise malfunctioning?

 

[sightman]

Try powering the car off and back on?

Model 3 Owner's Manual | Tesla

Learn how to power up your vehicle, resolve power up issues, and power off your vehicle.

www.tesla.com

 

[thelastdeadmouse]

Try powering the car off and back on?

Model 3 Owner's Manual | Tesla

Learn how to power up your vehicle, resolve power up issues, and power off your vehicle.

www.tesla.com

I've tried both versions I know of, holding the two scroll wheels on the steering wheel, and the Power Off button in the Safety menu and waiting a few minutes, neither has worked so far.

 

[Rippin1Gear]

Yup, brother had the same issue. Found the latest revision heater on eBay for cheap, and installed it. Took about hour and half.

 

[Dutch24]

Same issue, updated yesterday and noticed nothing but cold air coming out. I am driving from Virginia back to Ontario today so far temp outside is ok, but could get chilly before the drive is over. Tried a few things and nothing has fixed it so far.

 

[Dutch24]

Update when plugged into super charger can heat the car up without any issue and then once I start driving again it blows nothing but cold air again…seems to be definitely software issue and related to the latest update

 

[sightman]

Update when plugged into super charger can heat the car up without any issue and then once I start driving again it blows nothing but cold air again…seems to be definitely software issue and related to the latest update

I thought heat for supercharging came from running the motors inefficiently. Does the PTC supplement in non heat pump cars?

 

[android04]

I thought heat for supercharging came from running the motors inefficiently. Does the PTC supplement in non heat pump cars?

PTC only heats cabin air and has nothing to do with battery heating. Dutch24's post meant to show that the PTC heater works in certain conditions and is therefore likely a software bug.

 

[thelastdeadmouse]

Update when plugged into super charger can heat the car up without any issue and then once I start driving again it blows nothing but cold air again…seems to be definitely software issue and related to the latest update

Really odd. We just got a supercharger in our town a month or two ago, I'll give that a try.

 

[Dutch24]

Really odd. We just got a supercharger in our town a month or two ago, I'll give that a try.

After the third time plugging into supercharger it worked fine afterwards (as stated had a big drive today from Virginia to Ontario). For now it seems to have sorted itself out, will keep you updated if something is different tomorrow.

 

[thelastdeadmouse]

After the third time plugging into supercharger it worked fine afterwards (as stated had a big drive today from Virginia to Ontario). For now it seems to have sorted itself out, will keep you updated if something is different tomorrow.

Did it work as soon as you plugged it in? I've tried charging at the supercharger a couple times now but I'm just plugging in for a minute or two then leaving when the heat fails to turn on. If you can remember I'd be curious to know wheter it ran the heat right away after plugging in, if it took a few minutes, if you left the car charging and it was working when you got back, ect.

 

[amylee]

I'm having this issues as well. 2018 LR rwd 103k. Tesla just quoted me 1200 to fix the super bottle but I'm also thinking it's software related.

 

[Dutch24]

Did it work as soon as you plugged it in? I've tried charging at the supercharger a couple times now but I'm just plugging in for a minute or two then leaving when the heat fails to turn on. If you can remember I'd be curious to know wheter it ran the heat right away after plugging in, if it took a few minutes, if you left the car charging and it was working when you got back, ect.

The first time I plugged in and it wasn’t working, charged for about 25 mins and then unplugged and it started blowing hot air. This lasted for about 10 mins and then started cold air.
The second time I plugged in and it started blowing hot air right away, was plugged in again for about 20mins. Once I left it took another 10 mins before blowing cold air.
The third time, it again stated blowing hot air right away after plugging in and was about 35 mins. It stayed on the rest of the trip (supercharged one more time on my way home)
It has been working ever since without any issue.

 

[thelastdeadmouse]

I'm having this issues as well. 2018 LR rwd 103k. Tesla just quoted me 1200 to fix the super bottle but I'm also thinking it's software related.

I don't understand this one at all. The cabin PTC heater is completely unrelated to the liquid heating and cooling system of the car as far as I can tell.

 

[Dutch24]

I don't understand this one at all. The cabin PTC heater is completely unrelated to the liquid heating and cooling system of the car as far as I can tell.

I should note that my Model 3 is also a 2018 with approximately 116000 km (73000 miles) on it.

 

[RodG]

I have the same problem after 22.44.30.10 update. 2019 M3 LR dual motor.
I have an appointment with service on this Monday. We will see what they say.

 

[gaswalla]

go into the service menu and check your alerts and PTC status... (go to software update, find the car's logo, hold down on it, and type in the password: "service"...) you can diagnose a number of the above issues at home

 

[unless]

I don't understand this one at all. The cabin PTC heater is completely unrelated to the liquid heating and cooling system of the car as far as I can tell.

Same with me. Mine just failed after new update. In service mode it says low coolant.

 

[PikachuCream]

Had this happen to me. with cold air blowing. Went to the service center and they replaced the PTC heater. Attached is the invoice below. This repair out of warranty is 1200 USD as per the service advisor. Luckily I paid $0 as still under basic warranty.....for now. Hope this is a one off.

https://imgur.com/a/qP0i98k