{"nhtsa_id":10203671,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2021-12-01","date":"2021-11-30","document_id":"CSR 527","mfr_campaign":null,"replaces":null,"component":"ELECTRICAL SYSTEM; ENGINE AND ENGINE COOLING","mfr_system":null,"summary":"Fiat Chrysler Automobiles US has decided that a defect that relates to motor vehicle safety exists on certain 2021 through 2022 model year (DJ) Ram 2500 pickup, (D2) Ram 3500 pickup, (DD) Ram 3500 cab chassis, and (DP) Ram 4500/5500 cab chassis vehicles equipped with a 6.7L Cummins engine. Refer to the included communication from FCA US for additional information.","document":{"url":"https://static.nhtsa.gov/odi/tsbs/2021/MC-10203671-0001.pdf","alternate_url":"https://static.nhtsa.gov/odi/tsbs/2021/MC-10203671-9999.pdf","confirmed":false},"url":"https://open.wenmarpro.com/bulletins/10203671","components":[{"id":"electrical","name":"Electrical system","parent":null},{"id":"engine","name":"Engine","parent":null}],"codes":[],"topics":[],"vehicles":[{"make":"ALTEC","model":"AERIAL DEVICE","year_from":2021,"year_to":2022,"match":null,"vehicle_ids":[]}],"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":[]}