{"nhtsa_id":10143804,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2018-08-20","date":"2018-07-30","document_id":"K49053322","mfr_campaign":null,"replaces":null,"component":"ENGINE AND ENGINE COOLING","mfr_system":null,"summary":"Vehicle Speed Factor (K-Factor) Programming - Speed Factor Value Incorrect When Calculated In Premium Tech Tool (PTT); Speedometer Reading Incorrectly Following A Change To Vehicle Speed Factor - US17+OBD16 And Newer Emissions, Common Model Year 2018 And Newer","document":{"url":"https://static.nhtsa.gov/odi/tsbs/2018/MC-10143804-9999.pdf","alternate_url":"https://static.nhtsa.gov/odi/tsbs/2018/MC-10143804-0001.pdf","confirmed":false},"url":"https://open.wenmarpro.com/bulletins/10143804","components":[{"id":"engine","name":"Engine","parent":null}],"codes":[],"topics":[],"vehicles":[{"make":"MACK","model":"ANTHEM (AN)","year_from":2018,"year_to":2019,"match":"base","vehicle_ids":["2018_mack_anthem","2019_mack_anthem"]},{"make":"MACK","model":"PINNACLE (PI/PN)","year_from":2018,"year_to":2018,"match":"base","vehicle_ids":["2018_mack_pinnacle"]}],"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":[]}