{"nhtsa_id":10121720,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2017-11-03","date":"2016-09-01","document_id":"18-022-16 REV. A","mfr_campaign":null,"replaces":null,"component":"ELECTRICAL SYSTEM; ENGINE","mfr_system":null,"summary":"Flash: 6.7L Diagnostic And System Improvements This bulletin involves selectively erasing and reprogramming the Engine Control Module (ECM) with new software. Several software improvements are available for vehicles equipped with a Cummins 6.7L Turbo Diesel. These improvements are separated into the following categories: NOTE: There will be a choice between two calibrations. One for vehicles that utilize an ammonia sensor and one for vehicles that have had the ammonia sensor removed. Be sure to select the correct software based on vehicle configuration.","document":{"url":"https://static.nhtsa.gov/odi/tsbs/2016/MC-10121720-9999.pdf","alternate_url":"https://static.nhtsa.gov/odi/tsbs/2016/MC-10121720-0001.pdf","confirmed":false},"url":"https://open.wenmarpro.com/bulletins/10121720","components":[{"id":"electrical","name":"Electrical system","parent":null},{"id":"engine","name":"Engine","parent":null}],"codes":[],"topics":[],"vehicles":[{"make":"RAM","model":"3500","year_from":2013,"year_to":2013,"match":"exact","vehicle_ids":["2013_ram_3500"]},{"make":"RAM","model":"4500","year_from":2013,"year_to":2013,"match":"exact","vehicle_ids":["2013_ram_4500"]}],"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":[]}