{"nhtsa_id":10171070,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2020-02-05","date":"2020-02-05","document_id":"CC-20-90-02","mfr_campaign":null,"replaces":null,"component":"ELECTRICAL SYSTEM; EQUIPMENT","mfr_system":null,"summary":"Some Revero GT models may have been built with an External Sound Module (ESM) that has been updated. To promote the best possible customer experience, a replacement ESM should be installed prior to delivery of the vehicle to prevent any possible concerns or replace the module as per this bulletin if already delivered.","document":{"url":"https://static.nhtsa.gov/odi/tsbs/2020/MC-10171070-0001.pdf","alternate_url":"https://static.nhtsa.gov/odi/tsbs/2020/MC-10171070-9999.pdf","confirmed":false},"url":"https://open.wenmarpro.com/bulletins/10171070","components":[{"id":"electrical","name":"Electrical system","parent":null},{"id":"equipment","name":"Equipment and accessories","parent":null}],"codes":[],"topics":[],"vehicles":[{"make":"KARMA","model":"REVERO GT","year_from":2020,"year_to":2020,"match":"base","vehicle_ids":["2020_karma_revero"]}],"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":[]}