{"vehicle":{"id":"2021_jeep_grand-cherokee","year":2021,"make":"Jeep","model":"Grand Cherokee"},"code":"B1D9B","generic":false,"description":null,"bulletins":{"as_of":"2026-10-19","count":5,"bulletins":[{"nhtsa_id":11030266,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2026-03-25","date":"2026-03-19","document_id":"S2608000015","mfr_campaign":null,"component":"ELECTRICAL SYSTEM; SEATS","summary":"Memory Seat Does Not Work There Is No Response from The Seat While Pressing the Memory Seat Profiles from the Switch Diagnostic Trouble Code (DTC) B1D9B-54- Seat Horizontal Front Stop Not Learned-Missing Calibration","document":{"url":"https://static.nhtsa.gov/odi/tsbs/2026/MC-11030266-0001.pdf","alternate_url":"https://static.nhtsa.gov/odi/tsbs/2026/MC-11030266-9999.pdf","confirmed":false},"url":"https://open.wenmarpro.com/bulletins/11030266"},{"nhtsa_id":10229577,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2023-01-09","date":"2022-08-24","document_id":"0816122","mfr_campaign":null,"component":"ELECTRICAL SYSTEM; SEATS; VEHICLE SPEED CONTROL; EXTERIOR LIGHTING","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-10229577-0001.pdf","alternate_url":"https://static.nhtsa.gov/odi/tsbs/2022/MC-10229577-9999.pdf","confirmed":false},"url":"https://open.wenmarpro.com/bulletins/10229577"},{"nhtsa_id":10225429,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2022-10-31","date":"2022-08-24","document_id":"0816122","mfr_campaign":null,"component":"SEATS; ELECTRICAL SYSTEM","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-10225429-0001.pdf","alternate_url":"https://static.nhtsa.gov/odi/tsbs/2022/MC-10225429-9999.pdf","confirmed":false},"url":"https://open.wenmarpro.com/bulletins/10225429"},{"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,"component":"SEATS; ELECTRICAL SYSTEM:SOFTWARE","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"},{"nhtsa_id":10222998,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2022-10-17","date":"2022-01-28","document_id":"0802222","mfr_campaign":null,"component":"ELECTRICAL SYSTEM","summary":"Flash: Memory Seat Module (MSM) Updates This bulletin involves reprogramming the MSM with the latest available software. Upon further investigation the technician may find the following stored Diagnostic Trouble Code (DTC): B1D9B-54 - Seat Horizontal Front Stop Not Learned-Missing Calibration. Customers may also experience one or more of the following:Memory seat functionality is inoperative. Memory recall functionality is inoperative. Memory saving functionality to profiles 1 or 2 is inoperative. Easy entry&exit functionality is inoperative.","document":{"url":"https://static.nhtsa.gov/odi/tsbs/2022/MC-10222998-0001.pdf","alternate_url":"https://static.nhtsa.gov/odi/tsbs/2022/MC-10222998-9999.pdf","confirmed":false},"url":"https://open.wenmarpro.com/bulletins/10222998"}],"url":"https://open.wenmarpro.com/makes/jeep/grand-cherokee/2021/bulletins?code=B1D9B"},"related":{"components":[],"bulletins":[],"recalls":{"may_apply":true,"recalls":[],"lookup":{"nhtsa":"https://www.nhtsa.gov/recalls","tc":"https://wwwapps.tc.gc.ca/Saf-Sec-Sur/7/VRDB-BDRV/search-recherche/menu.aspx?lang=eng","maker":null}}},"url":"https://open.wenmarpro.com/makes/jeep/grand-cherokee/2021/codes/B1D9B","note":"The bulletins listed name this code in NHTSA's summary, or are about the same components. A bulletin or a recall listed here may apply to the model year. None of it is a diagnosis.","attribution":["Contains information licensed under the Open Government Licence – Canada."]}