Service bulletins for the 2023 Toyota GR 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.
64 on file from NHTSA, as of 2026-10-19.
About P0300 on the 2023 Toyota GR 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: P0300 are shown. Show all
| T-SB-0084-23 | 2023-11-27. Service bulletin. ELECTRICAL SYSTEM. TSB: Some 2023 model year GR Corolla vehicles may exhibit a MIL ON condition with one or both of the following Diagnostic Trouble Codes (DTCs): ? P25B372 ? Turbocharger Wastegate ?A? Actuator Stuck Open ? P030000 ? Random Cylinder Misfire The Engine Control Module (ECM) (SAE term: Powertrain Control Module/PCM) logic has been modified to address these conditions. Follow the Repair Procedure in this bulletin to address these conditions. |
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The summaries are NHTSA's. Each bulletin's page links NHTSA's copy of the manufacturer's document.