{"nhtsa_id":11034136,"type":"emissions","type_name":"Emissions","date_added":"2026-06-29","date":"2026-06-29","document_id":"M0304 EC0033 202606","mfr_campaign":null,"replaces":null,"component":"ENGINE","mfr_system":null,"summary":"Mack Trucks has determined that certain vehicles equipped with a model year (“MY”) 2017-2018 MP8 Turbo Compound (TC) engine may not meet California and Federal Regulations (CARB). This Recall is for updated software that will reduce the amount of time necessary for the system to operate in a cold engine warm-up strategy and provide health monitoring of the Selective Catalyst Reduction (SCR).","document":{"url":"https://static.nhtsa.gov/odi/tsbs/2026/MC-11034136-0001.pdf","alternate_url":"https://static.nhtsa.gov/odi/tsbs/2026/MC-11034136-9999.pdf","confirmed":false},"url":"https://open.wenmarpro.com/bulletins/11034136","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":"CXU","year_from":2018,"year_to":2018,"match":null,"vehicle_ids":[]},{"make":"MACK","model":"PINNACLE (PI/PN)","year_from":2018,"year_to":2019,"match":"base","vehicle_ids":["2018_mack_pinnacle","2019_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":[]}