{"nhtsa_id":10229137,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2023-01-09","date":"2022-03-10","document_id":"2100422","mfr_campaign":null,"replaces":null,"component":"EXTERIOR LIGHTING; POWER TRAIN","mfr_system":null,"summary":"Transmission Shifts Rough This bulletin involves performing a transmission quick learn. Technicans may experience one or more of the following:The vehicle shifts poorly. Harsh shift during acceleration. Bucks when going into gear. There will not be a Malfunction Indicator Lamp (MIL) and no Diagnostic Trouble Codes (DTCs) will be set for this symptom/condition.","document":{"url":"https://static.nhtsa.gov/odi/tsbs/2022/MC-10229137-0001.pdf","alternate_url":"https://static.nhtsa.gov/odi/tsbs/2022/MC-10229137-9999.pdf","confirmed":false},"url":"https://open.wenmarpro.com/bulletins/10229137","components":[{"id":"lighting","name":"Lighting","parent":null},{"id":"powertrain","name":"Transmission and driveline","parent":null}],"codes":[],"topics":[],"vehicles":[{"make":"JEEP","model":"GRAND WAGONEER","year_from":2022,"year_to":2022,"match":"exact","vehicle_ids":["2022_jeep_grand-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":[]}