T-SB-0081-24

Some 2023 – 2024 model year Corolla and Corolla Cross vehicles with M20A-FKS engines may exhibit a MIL ON condition with one or both of the following Diagnostic Trouble Codes (DTCs) present:
•P11EA00 – (Bank 1 Air-Fuel Ratio Imbalance (Port))
•P013A7C – (A/F Sensor – Rich to Lean Bank 1 Sensor 2 Slow Response) There are no drivability issues or other symptoms associated with this condition.