{"nhtsa_id":11024294,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2025-10-15","date":"2025-10-08","document_id":"08-335-25","mfr_campaign":null,"replaces":null,"component":"ELECTRICAL SYSTEM","mfr_system":null,"summary":"Security Gateway Module (SGW) Software Update *The following software enhancements are available: ● Update for Diagnostic Trouble Code (DTC) U3033-00 - Control Module Security Certificate Missing/Invalid. NOTE: This DTC will not turn on the Malfunction Indicator Light (MIL) but is active or stored and cannot clear. ● If a FOTA message appears specifically directing the customer to service OR repeated FOTA events are not being completed, then a manual flash is required for the SGW update. ● SGW is not responding to diagnostics and showing offline.* This bulletin involves flashing the SGW to the latest software level in the case that the FOTA did not function.","document":{"url":"https://static.nhtsa.gov/odi/tsbs/2025/MC-11024294-0001.pdf","alternate_url":"https://static.nhtsa.gov/odi/tsbs/2025/MC-11024294-9999.pdf","confirmed":false},"url":"https://open.wenmarpro.com/bulletins/11024294","components":[{"id":"electrical","name":"Electrical system","parent":null}],"codes":["U3033"],"topics":[],"vehicles":[{"make":"JEEP","model":"GRAND CHEROKEE","year_from":2024,"year_to":2024,"match":"exact","vehicle_ids":["2024_jeep_grand-cherokee"]},{"make":"JEEP","model":"GRAND CHEROKEE 4XE","year_from":2024,"year_to":2024,"match":"base","vehicle_ids":["2024_jeep_grand-cherokee"]},{"make":"JEEP","model":"GRAND CHEROKEE L","year_from":2024,"year_to":2024,"match":"exact","vehicle_ids":["2024_jeep_grand-cherokee-l"]}],"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":[]}