Hot air only on driver's side, center/passenger vents blow cold

Techman · May 16, 2024

I broke my ankle playing basketball about a month ago resulting in me not being able to drive until now. I had my SF90 plugged in this whole time. I finally went to drive the car for the first time in ~5 weeks and had the following issues:

1) On the first drive I got an engine control system warning. ~50 minute drive + 24 hours of charging resolved this one.

2) On the second drive eDrive wouldn't engage. Another drive + 24 hours of charging resolved this one too.

3) On the second and third drives (at least, I don't recall it being an issue on the first drive), the driver's side air vents only blow hot air. The center and passenger vents blow ice cold. I can't get this one to resolve itself.

Anyone experience this on their SF90? I'm going to give the dealer a call tomorrow.

Steve711 · May 16, 2024

Did you have a passenger when the A/C was blowing cold? I discovered that the SF90 detects a passenger and automatically changes the HVAC to dual zone. When that occurs, you need to set the temp on the small passenger touchscreen. If you only set the temp on the driver's main HVAC control panel, only the drivers vents will respond.

Fortis · May 18, 2024

Steve711 said: ↑

Did you have a passenger when the A/C was blowing cold? I discovered that the SF90 detects a passenger and automatically changes the HVAC to dual zone. When that occurs, you need to set the temp on the small passenger touchscreen. If you only set the temp on the driver's main HVAC control panel, only the drivers vents will respond.
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Thank you I had a similar issue, why do they have to make things complicated just for the sake of making them complicated?

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Hot air only on driver's side, center/passenger vents blow cold

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