{"nhtsa_id":10201220,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2021-09-10","date":"2021-08-06","document_id":"NTB21-073","mfr_campaign":null,"replaces":null,"component":"POWER TRAIN; ENGINE; ELECTRICAL SYSTEM; EQUIPMENT","mfr_system":null,"summary":"HESITATION AND/OR SHIFT SHOCK IF YOU CONFIRM The customer reports hesitation and/or shift shock during acceleration, OR Shift shock during deceleration, AND There are no TCM related DTCs stored. ACTION 1. Confirm the current TCM part number. 2. Reprogram the TCM, if applicable.","document":{"url":"https://static.nhtsa.gov/odi/tsbs/2021/MC-10201220-0001.pdf","alternate_url":"https://static.nhtsa.gov/odi/tsbs/2021/MC-10201220-9999.pdf","confirmed":false},"url":"https://open.wenmarpro.com/bulletins/10201220","components":[{"id":"electrical","name":"Electrical system","parent":null},{"id":"engine","name":"Engine","parent":null},{"id":"equipment","name":"Equipment and accessories","parent":null},{"id":"powertrain","name":"Transmission and driveline","parent":null}],"codes":[],"topics":[],"vehicles":[{"make":"NISSAN","model":"FRONTIER","year_from":2020,"year_to":2021,"match":"exact","vehicle_ids":["2020_nissan_frontier","2021_nissan_frontier"]}],"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":[]}