Heard a loud pop from rear passenger side of vehicle followed by dash warning lights to check charging system, then pull vehicle over immediately. All power to the vehicle was subsequently lost immobilizing the vehicle. Dealer service department said ICCU board needs to be replaced, but is on national backorder. Car has been immobilized since.
2022 Kia EV6 fuel system complaints
Page 3 of 3: complaints 41 to 43 of 43, newest first, as owners wrote them.
After driving my vehicle for a few minutes on my way to work my car lost speed rapidly, going from 40 mph to 25 then seconds later to 22 mph. I tried to accelerate; the car was unresponsive and would not accelerate over 22 mph. Dropping speed rapidly and suddenly during rush hour on a secondary road with a limited shoulder was unnerving as the slow response required waiting for a gap in traffic flow to safely turn around to head home. Upon returning home a message appeared on right side of dash board in an orange circle "check vehicle system" with a small upside down triangle with letters EV also inside this circle and a "small orange battery" picture showed on the left. I called Kia Roadside Assistance and reported the above and was advised it would take about 90 minutes for a tow to dealer as I was unwilling to drive it. Once the tow truck arrived I tried to drive EV6 out of my driveway onto flatbed and it died halfway. Driver had to jump 12 volt to get car to start and maintain power to get up flatbed. He advised 12 volt had to stay connected to ensure power to deliver to dealership. After weeks of calling / emailing dealer, opening a case with Kia America and sending several unanswered tweets the dealer advised on 06/02 that tech determined the ICCU assembly and a new high voltage fuse would be required. The service manager advised this would take 7-10 business days but on 06/15 advised the parts had still not arrived and in following up with Kia America there was no available ETA on when the part would be received.
I was traveling on a neighborhood arterial road, when I heard a load thunk that seemed to come from beneath the rear seat. Moments later, I got a "Check electric vehicle system" warning, followed by "Stop vehicle and check power supply" in the dashboard. After another moment, the power was reduced to a maximum of 25 mph. I turned on the hazard lights because I was no longer able to match the flow of traffic (45 mph). No accident occurred. I was able to limp the car home on slower side streets. At home, I eventually got a "12v battery voltage low" message and the car was unable to move. I had to have the car towed to the dealership. The dealer service folks diagnosed the problem as a failed integrated charging control unit (ICCU). This same problem has been reported by others in the Kia EV forums. Kia Consumer Affairs says 87 of those parts are on backorder in the US with no ETA from Korea. Apparently, the part needs to be manufactured; they don't have them available in a warehouse.
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