Korean fury over Tesla battery error builds as gov't mulls subsidy review Published: 07 Oct. 2025, 10:14 SARAH CHEA
The Korean government is weighing a subsidy cut for Tesla over unresolved battery errors that have rendered some three-year-old models unchargeable, escalating scrutiny of the EV giant’s commitment to consumer protection. This comes as Tesla owners in Korea grow increasingly furious — first over the battery errors, and again over what they describe as the EV firm's “irresponsible” response. Owners have begun rallying online, demanding recalls or free battery replacements, and have even filed a petition with the National Assembly, garnering over 14,000 signatures, which has prompted Korea’s transport and environment ministries to monitor the issue.
Related Article “We cannot continue offering subsidies to vehicles that disadvantage consumers; We will even consider pulling subsidies depending on Tesla’s countermeasures,” an official who heads the EV subsidy program at the Environment Ministry told the Korea JoongAng Daily. “We’ve asked Tesla Korea to provide a detailed explanation, but have failed to receive a response so far.” Tesla sold 29,750 units in Korea last year, making it the third-largest imported car brand, behind BMW and Mercedes-Benz. Notably, in the first half of this year, the Model Y was named the country’s top-selling EV, with 15,432 units sold, even beating the EV6 and Ioniq 5 from homegrown brands Kia and Hyundai Motor.
What’s the matter?
Tesla owners in Korea — mostly those driving Model 3 and Model Y Long Range variants produced in 2020 and 2021 — are increasingly vocal about a recurring issue: the BMS_a079 error, which limits the battery’s maximum charge level to some 50 percent. This error, accompanied by the message “Unable to charge — maximum charge level reached,” occurs when Tesla’s Battery Management System (BMS) detects a fault within the high-voltage battery. To prevent battery overload and reduce the risk of fire, the system restricts the maximum charge to 50 percent.
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