{"nhtsa_id":10220823,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2022-09-26","date":"2022-03-29","document_id":"1806122","mfr_campaign":null,"replaces":null,"component":"SERVICE BRAKES, HYDRAULIC; ELECTRICAL SYSTEM; EXTERIOR LIGHTING","mfr_system":null,"summary":"Incorrectly Assembled Purge Flow Tube Inside Tube Elbow This bulletin involves inspecting and if needed reposition the purge tube inside the tube elbow. Customers may experience a Malfunction Indicator Lamp (MIL) illumination. Upon further investigation the technician may find oneor more of the following Diagnostic Trouble Codes (DTCs). P0441 - EVAP Purge System Performance. P0452 - EVAP Pressure Switch ?A? Stuck Closed.","document":{"url":"https://static.nhtsa.gov/odi/tsbs/2022/MC-10220823-0001.pdf","alternate_url":"https://static.nhtsa.gov/odi/tsbs/2022/MC-10220823-9999.pdf","confirmed":false},"url":"https://open.wenmarpro.com/bulletins/10220823","components":[{"id":"brakes","name":"Brakes","parent":null},{"id":"electrical","name":"Electrical system","parent":null},{"id":"lighting","name":"Lighting","parent":null}],"codes":["P0441","P0452"],"topics":[],"vehicles":[{"make":"JEEP","model":"GRAND CHEROKEE","year_from":2021,"year_to":2021,"match":"exact","vehicle_ids":["2021_jeep_grand-cherokee"]},{"make":"JEEP","model":"GRAND CHEROKEE 4XE","year_from":2022,"year_to":2022,"match":"base","vehicle_ids":["2022_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":[]}