{"nhtsa_id":10187800,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2021-03-02","date":"2021-02-04","document_id":"No. 03-21","mfr_campaign":null,"replaces":null,"component":"ENGINE AND ENGINE COOLING","mfr_system":null,"summary":"Instructions on how to remedy a check engine error message that \"Oxygen sensor Downstream of Catalytic Converter - Signal Too Slow from Lean to Rich\" in the new Cayenne S.","document":{"url":"https://static.nhtsa.gov/odi/tsbs/2021/MC-10187800-0001.pdf","alternate_url":"https://static.nhtsa.gov/odi/tsbs/2021/MC-10187800-9999.pdf","confirmed":false},"url":"https://open.wenmarpro.com/bulletins/10187800","components":[{"id":"engine","name":"Engine","parent":null}],"codes":[],"topics":[],"vehicles":[{"make":"PORSCHE","model":"CAYENNE S","year_from":2020,"year_to":2020,"match":"base","vehicle_ids":["2020_porsche_cayenne"]}],"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":[]}