{"nhtsa_id":10219882,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2022-09-15","date":"2017-06-09","document_id":"18-057-17","mfr_campaign":null,"replaces":null,"component":"POWER TRAIN","mfr_system":null,"summary":"Flash: Powertrain Diagnostic and System Improvements This bulletin involves reprogramming the Powertrain Control Module (PCM) with the latest available software. The following software enhancements are available:Allow the throttle body to be cycled while the engine is off, for diagnostic purposes. Improved vehicle acceleration at low speed while towing. Allows transmission gear shifting while in limp-in mode, rather than a fixed gear.","document":{"url":"https://static.nhtsa.gov/odi/tsbs/2017/MC-10219882-0001.pdf","alternate_url":"https://static.nhtsa.gov/odi/tsbs/2017/MC-10219882-9999.pdf","confirmed":false},"url":"https://open.wenmarpro.com/bulletins/10219882","components":[{"id":"powertrain","name":"Transmission and driveline","parent":null}],"codes":[],"topics":[],"vehicles":[{"make":"JEEP","model":"GRAND CHEROKEE","year_from":2017,"year_to":2017,"match":"exact","vehicle_ids":["2017_jeep_grand-cherokee"]}],"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":[]}