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A proposed class action lawsuit alleges that certain 2023-2025 Volkswagen ID.4 SUVs contain defective high-voltage lithium-ion batteries that can overheat and potentially catch fire. The lawsuit claims the alleged defect can cause thermal events while an ID.4 is charging, parked, or being driven, leaving owners with safety concerns and potential vehicle damage.
What is the alleged problem?
According to the complaint, the alleged defect involves misaligned electrodes inside the high-voltage battery cells. The lawsuit claims that shifted cathodes can contribute to a thermal event, in which a battery cell enters an uncontrolled state of self-heating.
The complaint alleges that Volkswagen became aware of battery-related thermal events involving ID.4 vehicles beginning in January 2024. Some incidents reportedly occurred while vehicles were connected to Level 3 DC fast chargers, while others allegedly happened when the vehicles were parked and not charging.
The lawsuit further claims that Volkswagen and battery supplier SK Battery America identified shifted cathodes in damaged battery modules. It alleges that Volkswagen subsequently issued several recalls addressing battery concerns, including campaigns that involved charging restrictions, battery inspections, software updates, and potential battery replacements.
The proposed class action covers certain 2023-2025 Volkswagen ID.4 vehicles purchased or leased in the United States. These allegations have not been proven in court.
What owners should know
The lawsuit was filed in May 2026 against Volkswagen Group of America and Volkswagen AG. It alleges that the automaker knew about the battery concerns before taking broader recall action and failed to adequately disclose the alleged defect to consumers. The complaint also claims affected owners have been left with charging restrictions, safety concerns, and vehicles that may have diminished value.
Volkswagen had already issued recalls relating to the alleged battery problem. According to the lawsuit, an initial December 2025 recall was later expanded, followed by two additional recalls in January 2026 covering tens of thousands of vehicles.
Owners should check their VIN for outstanding recalls and keep documentation of battery warnings, charging restrictions, inspections, repairs, and any other problems involving the vehicle’s high-voltage system.
If your ID.4 has experienced battery problems
An electric vehicle battery issue can affect much more than day-to-day convenience, particularly when owners are told to change how or where they charge their vehicle.
If your Volkswagen ID.4 has experienced battery warnings, charging restrictions, a thermal event, or other serious problems, The Lemon Firm can help you understand how your circumstances fit into the wider dispute.
Contact our team today to find out more about how we can help you.