{"nhtsa_id":10239619,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2023-07-25","date":"2023-07-24","document_id":"N222383020","mfr_campaign":null,"replaces":null,"component":"ENGINE AND ENGINE COOLING:ENGINE:ENGINE CONTROL MODULE (ECU/ECM); POWER TRAIN","mfr_system":null,"summary":"Service Update: Certain vehicles may have an Engine Control Module that does not properly respond to certain service tool requests for the datafile CALID (part number) and CVN (checksum). This condition may cause a vehicle to fail an emissions Inspection/Maintenance (I/M) test. Dealers are to reprogram the Engine Control Module.","document":{"url":"https://static.nhtsa.gov/odi/tsbs/2023/MC-10239619-0001.pdf","alternate_url":"https://static.nhtsa.gov/odi/tsbs/2023/MC-10239619-9999.pdf","confirmed":false},"url":"https://open.wenmarpro.com/bulletins/10239619","components":[{"id":"engine","name":"Engine","parent":null},{"id":"powertrain","name":"Transmission and driveline","parent":null},{"id":"engine-control-module","name":"Engine control module","parent":"engine"}],"codes":[],"topics":[],"vehicles":[{"make":"CHEVROLET","model":"SILVERADO 1500","year_from":2022,"year_to":2022,"match":"base","vehicle_ids":["2022_chevrolet_silverado"]},{"make":"GMC","model":"SIERRA 1500","year_from":2022,"year_to":2022,"match":"base","vehicle_ids":["2022_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":[]}