{"nhtsa_id":11033956,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2026-06-18","date":"2026-06-08","document_id":"9100834","mfr_campaign":null,"replaces":null,"component":"ELECTRICAL SYSTEM","mfr_system":null,"summary":"Ambient cabin light fault B2811-02 inop. If Ambient Lights can change color and intensity, do not replace Auxiliary/Ambient Lighting Module (ALM). Follow the diagnostic for B2811-02. Before replacing, verify the vehicle PROXI is correct for the vehicle (2-row/3-row). If PROXI is incorrect, re-PROXI and then perform a hard reset of the ALM.","document":{"url":"https://static.nhtsa.gov/odi/tsbs/2026/MC-11033956-0001.pdf","alternate_url":"https://static.nhtsa.gov/odi/tsbs/2026/MC-11033956-9999.pdf","confirmed":false},"url":"https://open.wenmarpro.com/bulletins/11033956","components":[{"id":"electrical","name":"Electrical system","parent":null}],"codes":["B2811"],"topics":[],"vehicles":[{"make":"JEEP","model":"GRAND CHEROKEE","year_from":2023,"year_to":2027,"match":"exact","vehicle_ids":["2023_jeep_grand-cherokee","2024_jeep_grand-cherokee","2025_jeep_grand-cherokee","2026_jeep_grand-cherokee","2027_jeep_grand-cherokee"]},{"make":"JEEP","model":"GRAND CHEROKEE 4XE","year_from":2023,"year_to":2026,"match":"base","vehicle_ids":["2023_jeep_grand-cherokee","2024_jeep_grand-cherokee","2025_jeep_grand-cherokee","2026_jeep_grand-cherokee"]},{"make":"JEEP","model":"GRAND CHEROKEE L","year_from":2023,"year_to":2027,"match":"exact","vehicle_ids":["2023_jeep_grand-cherokee-l","2024_jeep_grand-cherokee-l","2025_jeep_grand-cherokee-l","2026_jeep_grand-cherokee-l","2027_jeep_grand-cherokee-l"]},{"make":"JEEP","model":"GRAND WAGONEER","year_from":2023,"year_to":2026,"match":"exact","vehicle_ids":["2023_jeep_grand-wagoneer","2024_jeep_grand-wagoneer","2025_jeep_grand-wagoneer","2026_jeep_grand-wagoneer"]},{"make":"JEEP","model":"WAGONEER","year_from":2023,"year_to":2025,"match":"exact","vehicle_ids":["2023_jeep_wagoneer","2024_jeep_wagoneer","2025_jeep_wagoneer"]},{"make":"JEEP","model":"WAGONEER","year_from":2026,"year_to":2026,"match":null,"vehicle_ids":[]}],"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":[]}