Hyundai is recalling 54,337 Elantra Hybrids from the 2024-2026 model years because the hybrid power control unit (HPCU) assembly can overheat, increasing the risk of a fire.
The National Highway Traffic Safety Administration (NHTSA) says the HPCU contains a metal-oxide semiconductor field effect transistor that can overheat under high electrical loads.
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This typically causes the vehicle to not start or enter limp mode, but in limited cases, it can lead to thermal damage and fire.
Hyundai first learned of the issue in December 2024 and began examining an incident vehicle in early 2025.
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Multiple teardowns revealed a consistent failure location in the transistor. The investigation concluded that the car's software may not provide sufficient cooling for the HPCU assembly.
To fix the problem, owners must take their Elantra Hybrid to a dealership for a software update. Notification letters are expected to go out in mid-July.
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Hyundai is aware of four incidents related to the issue, including one fire, but no accidents or injuries have been reported.
