Hyundai, Kia, Genesis recall 147,000 US EVs over 12V battery difficulty

Hyundai, Kia, and Genesis are recalling almost 150,000 EVs within the U.S. over an electronics difficulty which will trigger 12-volt batteries to lose cost whereas driving.

The recall inhabitants contains 98,878 Hyundai and Genesis EVs from mannequin years 2023 and 2024—together with the Hyundai Ioniq 5, Hyundai Ioniq 6, Genesis GV60, Genesis Electrified GV70, and Genesis Electrified G80—in addition to 48,232 Kia EV6 electrical crossovers from mannequin years 2022 to 2024. That makes 147,110 affected autos in complete. This follows a recall of almost 170,000 Hyundai and Kia EVs in South Korea earlier this month for a similar difficulty.

All of those EVs have 12-volt batteries and electrical techniques along with their high-voltage battery packs. In keeping with the Nationwide Freeway Visitors Security Administration (NHTSA), the fault right here lies with a part referred to as the Built-in Charging Management Unit (ICCU), which may be broken and cease charging the 12-volt battery, leading to a lack of drive energy.

2024 Kia EV6 GT

2024 Kia EV6 GT

This injury can happen by way of “varied situations resembling overcurrent, over-voltage induced on the finish of high-voltage battery charging, and sure thermal loading throughout operation or driving,” in response to recall paperwork. If a fault is detected, the automobile will difficulty warnings—together with chimes and dashboard lights—to the motive force and enter a “fail-safe” mode wherein drive energy is regularly decreased.

House owners of affected vehicles will probably be contacted by the respective manufacturers concerning when to take their vehicles to dealerships, the place the ICCU and its fuse will probably be inspected and, if obligatory, changed freed from cost. Sellers may also set up up to date software program for the ICCU aimed toward lowering thermal loading and peak voltage. The software program additionally alters the operation of the water pump to additional decrease thermal loading.

2024 Genesis GV60

2024 Genesis GV60

Automakers have been very gradual to eliminate 12-volt electrical techniques in new autos. One of many few fashions which have made the swap is the Tesla Cybertruck, which fits with 48-volt {hardware}. That is after years of proposals, together with suppliers resembling Bosch proposing a vehicle-wide improve to 48 volts as a part of mild-hybrid upgrades.

Contemplating how the E-GMP platform utilized by the Hyundai Ioniq 5 and Ioniq 6, Genesis GV60, and Kia EV6 contains varied developments like 800-volt charging, 48-volt electronics are a stunning omission. Curiously, Hyundai launched a brand new resolution that does away with the old-style lead-acid 12-volt battery in a few of its hybrids—however none of its EVs function the answer.

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