{"nhtsa_id":10225292,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2022-10-31","date":"2022-08-24","document_id":"0816122","mfr_campaign":null,"replaces":null,"component":"SEATS; ELECTRICAL SYSTEM:SOFTWARE","mfr_system":null,"summary":"Flash: Memory Seat Module (MSM) Updates This bulletin involves reprogramming the MSM with the latest available software. Customers may experience a Malfunction Indicator Lamp (MIL) illumination. Upon further investigation the technician may find the following Diagnostic Trouble Code (DTC). B1D9B-54 - Seat Horizontal Front Stop Not Learned-Missing Calibration. Customers may experience the following:Memory seat do not save on profiles 1 or 2. Easy entry/exit functionality is inoperative. Drivers massage seats do not recall lumbar and bolster position when profile selected on radio (Recall from door switches and keyfob work as expected).","document":{"url":"https://static.nhtsa.gov/odi/tsbs/2022/MC-10225292-0001.pdf","alternate_url":"https://static.nhtsa.gov/odi/tsbs/2022/MC-10225292-9999.pdf","confirmed":false},"url":"https://open.wenmarpro.com/bulletins/10225292","components":[{"id":"electrical","name":"Electrical system","parent":null},{"id":"seats","name":"Seats","parent":null},{"id":"software","name":"Software","parent":"electrical"}],"codes":["B1D9B"],"topics":[],"vehicles":[{"make":"JEEP","model":"GRAND CHEROKEE","year_from":2021,"year_to":2021,"match":"exact","vehicle_ids":["2021_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":[]}