{"nhtsa_id":10138920,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2018-06-04","date":"2017-06-17","document_id":"09-004-17","mfr_campaign":null,"replaces":null,"component":"ENGINE AND ENGINE COOLING","mfr_system":null,"summary":"Intermittent Engine Shudder While Driving This bulletin involves replacing the engine cylinder heads.A small number of customers may experience a slight engine shudder while driving. They may state that the condition feels and sounds like driving over rumble strips. It may also be perceived as an internal transmission issue or engine misfire. No Diagnostic Trouble Codes (DTCs) will set as a result of this condition.","document":{"url":"https://static.nhtsa.gov/odi/tsbs/2017/MC-10138920-9999.pdf","alternate_url":"https://static.nhtsa.gov/odi/tsbs/2017/MC-10138920-0001.pdf","confirmed":false},"url":"https://open.wenmarpro.com/bulletins/10138920","components":[{"id":"engine","name":"Engine","parent":null}],"codes":[],"topics":[],"vehicles":[{"make":"JEEP","model":"GRAND CHEROKEE","year_from":2014,"year_to":2014,"match":"exact","vehicle_ids":["2014_jeep_grand-cherokee"]},{"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":[]}