{"nhtsa_id":10212428,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2022-05-31","date":"2022-03-29","document_id":"0806922","mfr_campaign":null,"replaces":null,"component":"ELECTRICAL SYSTEM; EXTERIOR LIGHTING","mfr_system":null,"summary":"Flash: Smart Lighting Module Left (SLML) and Smart Lighting Module Right (SLMR) Updates This bulletin involves reprogramming the SLML and SLMR with the latest available software. Customers may experience a Malfunction Indicator Lamp (MIL) illumination. Upon further investigation the technician may find that one or more of the following Diagnostic Trouble Codes (DTCs) have been set: B2834-00 - Right Headlamp Assembly Performance. B2835-00 - Left Headlamp Assembly Performance. Customers may experience one or more of the following: Headlamps go into a fail safe mode with low beam at reduced intensity with position and side marker lights on. ?Service Headlamp? message appears in the information cluster. Headlamps only function on low beam, park lamp and side marker lamps.","document":{"url":"https://static.nhtsa.gov/odi/tsbs/2022/MC-10212428-0001.pdf","alternate_url":"https://static.nhtsa.gov/odi/tsbs/2022/MC-10212428-9999.pdf","confirmed":false},"url":"https://open.wenmarpro.com/bulletins/10212428","components":[{"id":"electrical","name":"Electrical system","parent":null},{"id":"lighting","name":"Lighting","parent":null}],"codes":["B2834","B2835"],"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":[]}