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This file gathers the known defects of the Kia EV4, written and sourced by the community. Anyone can read; a free account lets you contribute. A defect earns the seal once enough reputable contributors have validated it.
The instrument cluster screen may respond slowly immediately after starting the vehicle. During this condition activating the turn signal can cause the cluster to reset or the Blind View Monitor (BVM) within the cluster to turn green. The malfunction is caused by PMIC noise induced falsely high temperature sensor readings which trigger the chip protection logic above a certain threshold and lead to performance limitation up to reboot or black screen.
Issue: On certain vehicles, a software problem could cause the instrument cluster display to go blank while driving. As a result, you may not be able to see certain information about the vehicle, including the speedometer, fuel gauge, tire pressure monitoring system (TPMS), warning lights and malfunction tell-tales. Note: This recall only affects certain vehicles equipped with a 12.3-inch instrument cluster display. For the Sorento model, this recall only affects hybrid and plug-in hybrid (PHEV) models. For the Carnival model, both gas and hybrid models are affected. For the Sportage model, gas, hybrid and plug-in hybrid (PHEV) models are affected. Safety Risk: Warnings, tell-tales and gauges that don't display could increase the risk of a crash. Corrective Actions: Kia will notify owners by mail and send a wireless over-the-air software update to eligible vehicles to update the instrument cluster software. Alternatively, you may schedule an appointment to have the update performed at a Kia dealership.
Sources: NHTSA (United States, public domain), Transport Canada (Open Government Licence – Canada), DVSA (United Kingdom, Open Government Licence v3.0), RappelConso and EU Safety Gate (France, Licence Ouverte 2.0).