{"nhtsa_id":10234300,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2023-04-17","date":"2023-03-31","document_id":"T-SB-0078-21 Rev","mfr_campaign":null,"replaces":null,"component":"PARKING BRAKE; LANE DEPARTURE; EQUIPMENT; ELECTRICAL SYSTEM","mfr_system":null,"summary":"TSB: Some 2021 ? 2022 model year Corolla and Corolla Hatchback and 2021 model year 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. This bulletin addresses DTC C059746 only, it may appear before or after completing the Repair Procedure in this bulletin. No other condition or DTC should be present. If there are additional DTCs, continue diagnosis using applicable Repair Manual before completing the Repair Procedure outlined in this service bulletin","document":{"url":"https://static.nhtsa.gov/odi/tsbs/2023/MC-10234300-0001.pdf","alternate_url":"https://static.nhtsa.gov/odi/tsbs/2023/MC-10234300-9999.pdf","confirmed":false},"url":"https://open.wenmarpro.com/bulletins/10234300","components":[{"id":"brakes","name":"Brakes","parent":null},{"id":"driver-assistance","name":"Driver assistance","parent":null},{"id":"electrical","name":"Electrical system","parent":null},{"id":"equipment","name":"Equipment and accessories","parent":null},{"id":"parking-brake","name":"Parking brake","parent":"brakes"}],"codes":["C0597"],"topics":[],"vehicles":[{"make":"TOYOTA","model":"COROLLA","year_from":2021,"year_to":2022,"match":"exact","vehicle_ids":["2021_toyota_corolla","2022_toyota_corolla"]},{"make":"TOYOTA","model":"COROLLA CROSS","year_from":2022,"year_to":2022,"match":"exact","vehicle_ids":["2022_toyota_corolla-cross"]},{"make":"TOYOTA","model":"COROLLA HATCHBACK","year_from":2021,"year_to":2021,"match":"base","vehicle_ids":["2021_toyota_corolla"]},{"make":"TOYOTA","model":"RAV4","year_from":2021,"year_to":2021,"match":"exact","vehicle_ids":["2021_toyota_rav4"]}],"as_of":"2026-10-19","note":"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.","attribution":[]}