{"nhtsa_id":10038546,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2011-06-20","date":"2011-04-12","document_id":"ITB-11-008A","mfr_campaign":null,"replaces":null,"component":"POWER TRAIN:AUTOMATIC TRANSMISSION","mfr_system":null,"summary":"NISSAN: THERE COULD BE MANY TRANSMISSION PROBLEMS. EXCESSIVE ENGINE BRAKING AFTER ACCELERATING. HESITATION OR EXCESSIVE VIBRATION WHEN ACCELERATING FROM A STOP. HARSH DOWNSHIFT DURING ACCELERATION. 2011 M37/M56. *RM","document":null,"url":"https://open.wenmarpro.com/bulletins/10038546","components":[{"id":"powertrain","name":"Transmission and driveline","parent":null},{"id":"automatic-transmission","name":"Automatic transmission","parent":"powertrain"}],"codes":[],"topics":[],"vehicles":[{"make":"INFINITI","model":"M","year_from":2011,"year_to":2011,"match":null,"vehicle_ids":[]}],"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":[]}