Tesla has given an update on the cause of a model S battery fire that happened in Shanghai earlier this year after the government started putting pressure on electric automakers.
Following the accident, a few Nine electric SUVs also had thermal events in China and it suffered a lot of attention on battery fires in the country.
The government asked automakers making electric vehicles investigate fire risks and report on what they are doing to prevent their cars from catching on fire.
Earlier this week, Nine announced that it is recalling its SUV.
A month after the incident in Shanghai, Tesla released an update for its battery software in order to help prevent further fires in Model S and Model X. Today, Tesla also issued a statement on the cause of the Shanghai fire and said that it didn’t find any defect in its system:
The automaker says that they conducted a "joint investigation" with "Chinese and American experts" who "did not find that the system has any defects."
Tesla added that preliminary findings show the source of the fire as a single battery module at the front of the vehicle. Here's a battery pack teardown exposing the battery modules:
However, they did not explain what the battery module, which Tesla makes itself, could have caused it to ignite. vehicles.
While Tesla is correct to claim that gasoline are on average more likely to catch on fire than Tesla vehicles, which is based on all vehicle fires and not just new vehicles like Tesla's cars.
In either case, it's still statistically not something that people should be concerned about, but it's obviously not the case, especially in China following those events.
That's why Tesla needs to be transparent about its investigation into the cause of the fire when The vehicles are not involved in accidents.
As of now, it sounds like Tesla is just sharing the results of a preliminary investigation, because saying that the cause has been traced to a single battery mod
They have already released a software update to make the thermal management system safer, but it sounds like they did so before the findings from this incident.
Hopefully, they can learn more and it can lead to safer battery packs.
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