{"nhtsa_id":10203529,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2021-11-15","date":"2021-10-01","document_id":"T-SB-0087-21","mfr_campaign":null,"replaces":null,"component":"ELECTRICAL SYSTEM; POWER TRAIN","mfr_system":null,"summary":"TSB: Some 2019 ? 2021 model year Tundra vehicles may exhibit a ?High Transmission Fluid Temp? warning message on the instrument cluster Multi-information Display (MID) when towing in tow/haul mode at highway speeds. The Engine Control Module (ECM) (SAE term: Powertrain Control Module/PCM) logic has been modified to address this drive mode condition. Follow the Repair Procedure in this bulletin to address this condition.","document":{"url":"https://static.nhtsa.gov/odi/tsbs/2021/MC-10203529-0001.pdf","alternate_url":"https://static.nhtsa.gov/odi/tsbs/2021/MC-10203529-9999.pdf","confirmed":false},"url":"https://open.wenmarpro.com/bulletins/10203529","components":[{"id":"electrical","name":"Electrical system","parent":null},{"id":"powertrain","name":"Transmission and driveline","parent":null}],"codes":[],"topics":[],"vehicles":[{"make":"TOYOTA","model":"TUNDRA","year_from":2019,"year_to":2021,"match":"exact","vehicle_ids":["2019_toyota_tundra","2020_toyota_tundra","2021_toyota_tundra"]}],"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":[]}