{"nhtsa_id":10126326,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2017-12-22","date":"2016-11-10","document_id":"GCUS-3-753","mfr_campaign":null,"replaces":null,"component":"ELECTRICAL SYSTEM:SOFTWARE; POWER TRAIN","mfr_system":null,"summary":"16109 Service Update. Certain non-emergency cutaway vehicles received the emergency vehicle engine control module (ECM) calibration under bulletin 15801. That calibration modifies certain features and functions of the emissions control system and was not released for non-emergency vehicles. Dealers are to reprogram the ECM with a new calibration to restore the modified features and functions of the emissions control system.","document":{"url":"https://static.nhtsa.gov/odi/tsbs/2016/MC-10126326-9999.pdf","alternate_url":"https://static.nhtsa.gov/odi/tsbs/2016/MC-10126326-0001.pdf","confirmed":false},"url":"https://open.wenmarpro.com/bulletins/10126326","components":[{"id":"electrical","name":"Electrical system","parent":null},{"id":"powertrain","name":"Transmission and driveline","parent":null},{"id":"software","name":"Software","parent":"electrical"}],"codes":[],"topics":[],"vehicles":[{"make":"CHEVROLET","model":"EXPRESS","year_from":2016,"year_to":2016,"match":"exact","vehicle_ids":["2016_chevrolet_express"]}],"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":[]}