{"nhtsa_id":10150568,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2018-12-10","date":"2015-06-01","document_id":"R04","mfr_campaign":null,"replaces":null,"component":"EQUIPMENT; ENGINE AND ENGINE COOLING:EXHAUST SYSTEM","mfr_system":null,"summary":"Emissions Recall R04 Exhaust High Frequency Decoupler The exhaust High Frequency Decoupler (HFD) on about 2,400 of the above vehicles, located between the turbocharger and the diesel particulate filter/converter assembly, may fracture due to fatigue and cause an exhaust leak. The exhaust down pipe with the high frequency decoupler must be replaced. Models","document":{"url":"https://static.nhtsa.gov/odi/tsbs/2015/MC-10150568-9999.pdf","alternate_url":"https://static.nhtsa.gov/odi/tsbs/2015/MC-10150568-0001.pdf","confirmed":false},"url":"https://open.wenmarpro.com/bulletins/10150568","components":[{"id":"engine","name":"Engine","parent":null},{"id":"equipment","name":"Equipment and accessories","parent":null},{"id":"exhaust-emissions","name":"Exhaust and emissions","parent":null}],"codes":[],"topics":[],"vehicles":[{"make":"RAM","model":"1500","year_from":2014,"year_to":2014,"match":"exact","vehicle_ids":["2014_ram_1500"]}],"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":[]}