Service bulletins for the 2020 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.
256 on file from NHTSA, as of 2026-10-19.
About C0597 on the 2020 Toyota Corolla: what the code means, and the bulletins and recalls about the same components.
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By component
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Only bulletins with trouble code: C0597 are shown. Show all
| T-SB-0078-21 | 2021-10-25. Service bulletin. PARKING BRAKE. TSB: Some 2020 ? 2021 model year Corolla, Corolla Hatchback, and RAV4 vehicles may exhibit a Parking Brake Malfunction warning message on the Multi-information Display (MID) with Diagnostic Trouble Code (DTC) C059746 (Brake System Control Module "A" Calibration / Parameter Memory Failure) present. Follow the Repair Procedure in this service bulletin to address this condition. |
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The summaries are NHTSA's. Each bulletin's page links NHTSA's copy of the manufacturer's document.