{"nhtsa_id":605846,"type":"service_bulletin","type_name":"Service bulletin","date_added":"1999-07-29","date":"1999-05-01","document_id":"99400031","mfr_campaign":null,"replaces":null,"component":"POWER TRAIN:AXLE ASSEMBLY","mfr_system":null,"summary":"SOME VEHICLES MAY EXHBIT A SHIFT SHOCK OR SHIFT HESITATION DURING THE 1-2 SHIFT. *TT","document":null,"url":"https://open.wenmarpro.com/bulletins/605846","components":[{"id":"powertrain","name":"Transmission and driveline","parent":null},{"id":"axle","name":"Axle","parent":"powertrain"}],"codes":[],"topics":[],"vehicles":[{"make":"HYUNDAI","model":"SONATA","year_from":1999,"year_to":1999,"match":"exact","vehicle_ids":["1999_hyundai_sonata"]}],"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":[]}