The contact owns a 2023 Hyundai Ioniq 5. The contact stated that the recall repairs for NHTSA Campaign Number: 24V868000 (Electrical System) and 24V204000 (Electrical System) were completed; however, the repairs failed to prevent a failure from occurring shortly afterwards. The contact stated that while attempting the charge the hybrid battery, the vehicle failed to charge to full capacity as intended. In addition, the contact was alerted by the vehicle with a Voice message that the vehicle had failed to charge as intended. No warning lights were illuminated. The vehicle was taken back to the same local dealer where it was reprogrammed; however, the failure reoccurred. The contact was advised that the ICCU needed to be replaced; however, parts were not available. The manufacturer was notified of the failure and referred the contact to the NHTSA Hotline for assistance. The failure mileage was approximately 16,307.