Investigation Into Tesla Heat Pump Failures Leads To Recall Of 26,000 Vehicles | Carscoops

, we reported that the National Highway Traffic Safety Administration and Transport Canada were investigating allegations of Tesla heat pumps failing in cold conditions. Now, they seem to have gotten to the bottom of it and Tesla is issuing a recall on 26,681 vehicles., Model S, and Model X vehicles, as well as certain 2020-2022 Model Ys because they do not comply with FMVSS 103, S4.4 in the highway code.

The result is a loss of cabin heating, particularly in temperatures of -10°C and a message in the user interface that the HVAC system is unavailable. While that’s deeply annoying for the passengers, it could also be dangerous since it affectsFor owners, meanwhile, it was a cause for concern. One Canadian customer reports having been without heating for a month and experiencing “buyer’s remorse.

Firmware published after release 2021.44.30.7 should prevent the issue from happening anymore by introducing a software command to close the electronic expansion valve and preventing refrigerant from entering the evaporator. Vehicles whose HVAC systems have experienced issues should still be under warranty.

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