{"nhtsa_id":10214212,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2022-06-21","date":"2022-01-27","document_id":"21NA214","mfr_campaign":null,"replaces":null,"component":"POWER TRAIN:AUTOMATIC TRANSMISSION; EQUIPMENT; ENGINE AND ENGINE COOLING","mfr_system":null,"summary":"This technical bulletin provides repair information to correct a customer concern of Service Engine Soon Lamp Illuminated, Harsh or Delayed Transmission Shifts Including Slip, Surge, Shudder, Noise, Whine, Growl, Shake and/or Vibration, DTCs P2002, P2463, P2459, P144E, P0421, P0422, P0106 and/or P20EE Set Current or in Recent History.","document":{"url":"https://static.nhtsa.gov/odi/tsbs/2022/MC-10214212-0001.pdf","alternate_url":"https://static.nhtsa.gov/odi/tsbs/2022/MC-10214212-9999.pdf","confirmed":false},"url":"https://open.wenmarpro.com/bulletins/10214212","components":[{"id":"engine","name":"Engine","parent":null},{"id":"equipment","name":"Equipment and accessories","parent":null},{"id":"powertrain","name":"Transmission and driveline","parent":null},{"id":"automatic-transmission","name":"Automatic transmission","parent":"powertrain"}],"codes":["P0106","P0421","P0422","P144E","P2002","P20EE","P2459","P2463"],"topics":[],"vehicles":[{"make":"CHEVROLET","model":"SILVERADO 2500","year_from":2020,"year_to":2020,"match":"base","vehicle_ids":["2020_chevrolet_silverado"]},{"make":"CHEVROLET","model":"SILVERADO 3500","year_from":2020,"year_to":2020,"match":"base","vehicle_ids":["2020_chevrolet_silverado"]},{"make":"GMC","model":"SIERRA 2500","year_from":2020,"year_to":2020,"match":"base","vehicle_ids":["2020_gmc_sierra"]},{"make":"GMC","model":"SIERRA 3500","year_from":2020,"year_to":2020,"match":"base","vehicle_ids":["2020_gmc_sierra"]}],"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":[]}