Heating issues

[Amar Shrivastava]

I have a 2018 TM3 and my heating unit isn't working, the heated seats are. I've got a pricey estimate from Teslaband just wanted to see if anyone else has experienced this before and what the resolution was. Hoping it's a lose wiring issue. 

Amar

[bill p]

Had a problem but I have a 2020 MY so it has the octovalve which I don't think you have.  They replaced something they called a something manifold which might be the octovalve.  Under warranty for me for it looked pricey.  They had the car for a week

bp

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On 2/7/2025 11:06 AM, Amar Shrivastava wrote:

I have a 2018 TM3 and my heating unit isn't working, the heated seats are. I've got a pricey estimate from Teslaband just wanted to see if anyone else has experienced this before and what the resolution was. Hoping it's a lose wiring issue. 

Amar

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[Dan DiBiase]

Amar's car doesn't have the heat pump but resistive heating. 

Amar, this article is a couple years old but seems to indicate a systemic problem happening back then. Maybe it is related to your issue....

https://driveteslacanada.ca/model-3/older-tesla-model-3s-without-heat-pumps-also-experiencing-heater-failures/

Dan D

2021 MY

Dayton

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[Amar Shrivastava]

Thanks for sending Dan, my estimate on the fix is identical to what the article shows. Fortunately, last time I went to Tesla I got a big estimate but the fix was really simple and they didn't charge me much. I'll be sure to have this article ready when I go in. 

Thanks,

Amar

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[Dan DiBiase]

Sure thing, Amar, let us know how it goes....

Thx, Dan

2021 MY

Dayton

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[Amar Shrivastava]

Here's the follow up.

When I made the appt to resolve the heating issue, it was noted that I wasn't eligible for an Uber ride credit because of the anticipated time it would take to resolve this issue, which made sense to me since it seemed to be a s/w issue. I waited at the Princeton waiting room for about 90 mins and then was told that it wouldn't be resolved that day and it would take another two days. I said that I thought it was s/w related but they person told me that the initial diagnosis was that it wasn't, which is why they gave me a $1k estimate to fix. I left around 3pm.

At 8am the following morning, I was told the car was ready to be picked up. Based on everything that transpired, there is a part of me that thinks it wasn't a h/w issue; it was indeed an s/w issue, but I was still charged $1k to fix it. 

Can't prove it, but it's what I think. 

Thanks,

Amar

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[Dan DiBiase]

The invoice should tell you what they actually did...?

Dan D

2021 MY

Dayton

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[Thomas LaPiana]

Definitely sounds like the Princeton SC. 

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