Service bulletins for the 2023 Toyota Corolla
A bulletin is a manufacturer's communication to its dealers, as NHTSA indexes it. The summary is NHTSA's. The document is the manufacturer's: read it at NHTSA. A bulletin is not a recall, and listing a model year does not mean every vehicle of it is concerned.
141 on file from NHTSA, as of 2026-10-19.
About P11EA on the 2023 Toyota Corolla: what the code means, and the bulletins and recalls about the same components.
By type
By component
By trouble code
Only bulletins with trouble code: P11EA are shown. Show all
| T-SB-0081-24 | 2024-11-06. Service bulletin. ENGINE. 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. |
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| T-SB-0041-24 | 2024-07-06. Service bulletin. ENGINE. Some 2023 – 2024 model year Corolla and Corolla Cross vehicles with M20A-FKS engines may exhibit a MIL ON condition with Diagnostic Trouble Code (DTC) P11EA00 (Bank 1 Air-Fuel Ratio Imbalance (Port)) present. There are no drivability issues or other symptoms associated with this condition. |
| T-SB-0041-24 | 2024-07-06. Service bulletin. ENGINE. Some 2023 – 2024 model year Corolla and Corolla Cross vehicles with M20A-FKS engines may exhibit a MIL ON condition with Diagnostic Trouble Code (DTC) P11EA00 (Bank 1 Air-Fuel Ratio Imbalance (Port)) present. There are no drivability issues or other symptoms associated with this condition. |
The summaries are NHTSA's. Each bulletin's page links NHTSA's copy of the manufacturer's document.