Omission of 48-volt electronics is particularly surprising in Hyundai's E-GMP vehicles, which incorporate various other advancements like 800-volt charging. Hyundai has even introduced a solution that does away with the old-style lead-acid 12-volt battery in some of its hybrids —but not any of its EVs thus far.

Hyundai is recalling over 145,000 Ioniq and Genesis vehicles due to a 12-volt battery charging issue that could cause the EVs to lose drive power and increase the risk of a crash. NHTSA says the cause is the vehicles' Integrated Charging Control Unit (ICCU),

At issue are faulty integrated charging control units (ICCU), which may cause the cars to enter 'fail-safe' mode and slow down gradually, increasing the risk of a crash.