DTC Description
WARNING: This page is about a different car, the 2021 Hyundai Kona. However, it is still accessible from the selected car via links, so may be relevant.
ECM monitors Spark Timing, if the actual spark timing differs from the commanded spark timing, ECM sets a P050B00 DTC. The Malfunction Indication Lamp (MIL) turns on when the malfunction lasts two consecutive driving cycles.