Tesla has recently been caught in the crossfire of public opinion.
Recently, the Korea JoongAng Ilbo reported that a large number of Tesla vehicles have experienced battery failures. The core issue is the "BMS_a079 error" fault code, a battery management system issue that has plagued nearly 4,500 Tesla owners in South Korea. This fault, which occurs in both the Model 3 and Model Y, triggers a safety protocol that limits the vehicle's battery charge to 50%, significantly reducing its range and causing significant inconvenience for users.
Notably, some users have experienced recurring problems even after replacing their batteries, a phenomenon they attribute to Tesla using refurbished batteries instead of new Battery Packs.
Regarding the "battery crisis" in the South Korean market, Tesla Korea stated that it has determined the cause of the failure is an imbalance in the battery cell charge state. The company has requested new battery packs from its North American headquarters and plans to expand staffing at its remanufacturing center to increase supply capacity. It is understood that the battery defect problem in Tesla's 4,500 electric vehicles in South Korea has also attracted the attention of South Korean government departments. The South Korean Ministry of Environment has issued a stern warning to Tesla, stating that this problem must be resolved, otherwise it will no longer be able to continue to receive electric vehicle subsidies from the South Korean government.
Frequent Problems Situate Tesla in a "Battery Crisis."
Coincidentally, in addition to Tesla's power battery failures in the South Korean market, bad news also surfaced in another major market: Australia.
In September of this year, Tesla recalled its Powerwall 2 residential battery Energy Storage Systems operating in Australia. The recall reportedly affected Powerwall 2 units manufactured between November 2020 and June 2022, marking the company's first recall of an energy storage product.
The Powerwall 2 contains a 14 kilowatt-hour (kWh) lithium-ion battery and is typically installed with Solar Panels to store excess daytime electricity.
Users can also connect their batteries to a virtual power plant (VPP) to support the grid during peak hours. This VPP extension extends the battery warranty to 15 years and allows users to enjoy time-of-use (TOU) rates, helping to reduce electricity bills. Regarding this recall, Tesla stated that it has confirmed quality issues with certain lithium-ion battery cells from a third-party supplier. These cells, used in some Powerwall 2 systems, may malfunction and overheat.
The Australian Competition and Consumer Commission stated that customers whose Powerwall batteries are affected by this recall will be notified through the Tesla app. Tesla is currently discharging the affected batteries to reduce the risk of fire. The recalled batteries will be replaced free of charge, and Tesla will "consider compensating customers for lost energy savings, depending on the circumstances."
While this recall is limited to Australia, given that all Powerwall products are manufactured at the company's Nevada factory and are sold in multiple markets worldwide, it remains to be seen whether the recall will be expanded in the future.
As a global giant in the electric vehicle and energy storage industries, Tesla has had a turbulent year.
Not long ago, a fire broke out at the Townsite photovoltaic energy storage plant in Boulder, Colorado. The Boulder Fire Department responded quickly to the scene and found the affected Tesla Megapack battery pack engulfed in flames. According to the Boulder Fire Department, the fire began around 7:00 PM. Firefighters arrived on scene within eight minutes of receiving the report, by which time the battery pack in question was fully engulfed in flames. By 12:30 PM that evening, the fire had spread to the second energy storage unit, and both units were smoldering. Firefighters continued to work until 1:00 AM the following morning, ultimately clearing the scene. No casualties were reported, and the specific cause of the fire remains under investigation.As a major North American renewable energy demonstration project, the Townsite Solar Energy Storage Power Station began construction in November 2020 and began operations in December 2021. Notably, the accompanying energy storage system boasts 90MW/360MWh of energy storage, all utilizing Tesla Megapack systems.A series of safety issues has once again embroiled Tesla in a public outcry.
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