{"nhtsa_id":10248546,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2024-01-08","date":"2023-09-01","document_id":"S2321000008","mfr_campaign":null,"replaces":null,"component":"POWER TRAIN:AUTOMATIC TRANSMISSION:CONTROL MODULE (TCM/PCM/TECM); EXTERIOR LIGHTING","mfr_system":null,"summary":"Malfunction Indicator Lamp (MIL) Illumination, Diagnostic Trouble Codes (DTCs) P0731 ? Gear 1 Shift Incorrect Ratio, And/Or P07D9 ? Gear Shift Incorrect Ratio, Set.","document":{"url":"https://static.nhtsa.gov/odi/tsbs/2023/MC-10248546-0001.pdf","alternate_url":"https://static.nhtsa.gov/odi/tsbs/2023/MC-10248546-9999.pdf","confirmed":false},"url":"https://open.wenmarpro.com/bulletins/10248546","components":[{"id":"lighting","name":"Lighting","parent":null},{"id":"powertrain","name":"Transmission and driveline","parent":null},{"id":"automatic-transmission","name":"Automatic transmission","parent":"powertrain"},{"id":"transmission-control-module","name":"Transmission control module","parent":"powertrain"}],"codes":["P0731","P07D9"],"topics":[],"vehicles":[{"make":"JEEP","model":"GRAND WAGONEER","year_from":2023,"year_to":2023,"match":"exact","vehicle_ids":["2023_jeep_grand-wagoneer"]},{"make":"JEEP","model":"WAGONEER","year_from":2023,"year_to":2023,"match":"exact","vehicle_ids":["2023_jeep_wagoneer"]}],"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":[]}