{"nhtsa_id":10200127,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2021-08-09","date":"2021-06-28","document_id":"21NA115","mfr_campaign":null,"replaces":null,"component":"ENGINE AND ENGINE COOLING:ENGINE:ENGINE CONTROL MODULE (ECU/ECM)","mfr_system":null,"summary":"This informational bulletin provides information for dealers/technicians on Available ECM Calibration to Activate High Idle Mode for Fleet Vehicles","document":{"url":"https://static.nhtsa.gov/odi/tsbs/2021/MC-10200127-0001.pdf","alternate_url":"https://static.nhtsa.gov/odi/tsbs/2021/MC-10200127-9999.pdf","confirmed":false},"url":"https://open.wenmarpro.com/bulletins/10200127","components":[{"id":"engine","name":"Engine","parent":null},{"id":"engine-control-module","name":"Engine control module","parent":"engine"}],"codes":[],"topics":[],"vehicles":[{"make":"CHEVROLET","model":"EXPRESS","year_from":2021,"year_to":2021,"match":"exact","vehicle_ids":["2021_chevrolet_express"]},{"make":"GMC","model":"SAVANA","year_from":2021,"year_to":2021,"match":"exact","vehicle_ids":["2021_gmc_savana"]}],"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":[]}