ICCU failure and 12V battery loss
ELECTRICAL SYSTEM
9 NHTSA complaints · 2026-01 → 2026-07
“Car was driving find and suddenly check electric system message came in with a red battery indicator. The application for the car indicates an ICCU P1A9096 error code. ICCU errors seems to be common with Kia/Hyundai electric cars. Car went to limp mode and wouldn’t let drive”
“I own a Kia 2026 EV9. We charged the car to 80% (we have reduced the limit to only 80%). The next morning there was no power to the car. The interior lights would not come on door handles would not work. I could not start the vehicle”
“vehicle would not accelerate pass 25 mph, battery light came on, stop vehicle and check power supply message also came on. had to towed to dealer. KIA app showing ICCU code P1A9096”