{"nhtsa_id":11022171,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2025-08-27","date":"2025-08-22","document_id":"09-025-25","mfr_campaign":null,"replaces":null,"component":"ENGINE","mfr_system":null,"summary":"Disconnected Purge Line Customers must experience a Malfunction Indicator Lamp (MIL) illumination and the vehicle must exhibit/set one or more of the following Diagnostic Trouble Codes (DTCs): ● P0300-00 - Multiple Cylinder Misfire. ● P0171-00 - System Too Lean Bank 1. ● P0174-00 - Fuel System 2/1 Lean. Customers may also experience one or more of the following: ● Vehicle running rough. ● Hissing noise from the engine. ● Vehicle does not start. This bulletin involves replacing the purge hose and canister purge tube.","document":{"url":"https://static.nhtsa.gov/odi/tsbs/2025/MC-11022171-0001.pdf","alternate_url":"https://static.nhtsa.gov/odi/tsbs/2025/MC-11022171-9999.pdf","confirmed":false},"url":"https://open.wenmarpro.com/bulletins/11022171","components":[{"id":"engine","name":"Engine","parent":null}],"codes":["P0171","P0174","P0300"],"topics":[],"vehicles":[{"make":"JEEP","model":"GRAND WAGONEER","year_from":2025,"year_to":2025,"match":"exact","vehicle_ids":["2025_jeep_grand-wagoneer"]},{"make":"JEEP","model":"WAGONEER","year_from":2025,"year_to":2025,"match":"exact","vehicle_ids":["2025_jeep_wagoneer"]},{"make":"RAM","model":"1500","year_from":2025,"year_to":2025,"match":"exact","vehicle_ids":["2025_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":[]}