{"nhtsa_id":10142879,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2018-07-16","date":"2018-06-12","document_id":"T-SB-0021-18_Rev","mfr_campaign":null,"replaces":null,"component":"VISIBILITY; ELECTRICAL SYSTEM","mfr_system":null,"summary":"TSB: REVISION NOTICE June 12, 2018 Rev1: ? The Production Change Information section has been updated. Any previous printed versions of this bulletin should be discarded. Some 2018 model year Sequoia vehicles equipped with Blind Spot Monitor (BSM) and auto-dimming mirrors may exhibit a BSM warning message in the combination meter immediately after engine startup and an inoperative BSM system with Diagnostic Trouble Codes (DTCs) C1AB4 (Open in Outer Mirror Indicator [Master]) or C1AB5 (Open in Outer Mirror Indicator [Slave]). Follow the Repair Procedure in this bulletin to address this condition.","document":{"url":"https://static.nhtsa.gov/odi/tsbs/2018/MC-10142879-9999.pdf","alternate_url":"https://static.nhtsa.gov/odi/tsbs/2018/MC-10142879-0001.pdf","confirmed":false},"url":"https://open.wenmarpro.com/bulletins/10142879","components":[{"id":"electrical","name":"Electrical system","parent":null},{"id":"visibility","name":"Glass, wipers and mirrors","parent":null}],"codes":["C1AB4","C1AB5"],"topics":[],"vehicles":[{"make":"TOYOTA","model":"SEQUOIA","year_from":2018,"year_to":2018,"match":"exact","vehicle_ids":["2018_toyota_sequoia"]}],"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":[]}