{"nhtsa_id":10206133,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2022-01-06","date":"2021-12-20","document_id":"KC-275","mfr_campaign":null,"replaces":null,"component":"ENGINE AND ENGINE COOLING","mfr_system":null,"summary":"(Back Office Only) Vehicles Equipped With A Turbo Compound Engine - Report Of Frequent Air Compressor Cycling. Secondary Air System Air Pressure Decreases Slowly When Engine Is At Low Idle - US17+OBD16 And Newer Emissions, Model Year 2018 And Newer","document":{"url":"https://static.nhtsa.gov/odi/tsbs/2021/MC-10206133-0001.pdf","alternate_url":"https://static.nhtsa.gov/odi/tsbs/2021/MC-10206133-9999.pdf","confirmed":false},"url":"https://open.wenmarpro.com/bulletins/10206133","components":[{"id":"engine","name":"Engine","parent":null}],"codes":[],"topics":[],"vehicles":[{"make":"MACK","model":"ANTHEM (AN)","year_from":2018,"year_to":2022,"match":"base","vehicle_ids":["2018_mack_anthem","2019_mack_anthem","2020_mack_anthem","2021_mack_anthem","2022_mack_anthem"]},{"make":"MACK","model":"CHU","year_from":2018,"year_to":2018,"match":null,"vehicle_ids":[]},{"make":"MACK","model":"CXU","year_from":2018,"year_to":2018,"match":null,"vehicle_ids":[]},{"make":"MACK","model":"GRANITE (GR)","year_from":2018,"year_to":2022,"match":"base","vehicle_ids":["2018_mack_granite","2019_mack_granite","2020_mack_granite","2021_mack_granite","2022_mack_granite"]},{"make":"MACK","model":"GRANITE (GU)","year_from":2018,"year_to":2022,"match":"base","vehicle_ids":["2018_mack_granite","2019_mack_granite","2020_mack_granite","2021_mack_granite","2022_mack_granite"]},{"make":"MACK","model":"GU","year_from":2018,"year_to":2018,"match":null,"vehicle_ids":[]},{"make":"MACK","model":"LR","year_from":2018,"year_to":2022,"match":"exact","vehicle_ids":["2018_mack_lr","2019_mack_lr","2020_mack_lr","2021_mack_lr","2022_mack_lr"]},{"make":"MACK","model":"MD","year_from":2020,"year_to":2022,"match":"exact","vehicle_ids":["2020_mack_md","2021_mack_md","2022_mack_md"]},{"make":"MACK","model":"MRU","year_from":2018,"year_to":2018,"match":null,"vehicle_ids":[]},{"make":"MACK","model":"PINNACLE (CHU)","year_from":2018,"year_to":2022,"match":"base","vehicle_ids":["2018_mack_pinnacle","2019_mack_pinnacle","2020_mack_pinnacle","2021_mack_pinnacle","2022_mack_pinnacle"]},{"make":"MACK","model":"PINNACLE (CXU)","year_from":2018,"year_to":2022,"match":"base","vehicle_ids":["2018_mack_pinnacle","2019_mack_pinnacle","2020_mack_pinnacle","2021_mack_pinnacle","2022_mack_pinnacle"]},{"make":"MACK","model":"PINNACLE (PI/PN)","year_from":2018,"year_to":2022,"match":"base","vehicle_ids":["2018_mack_pinnacle","2019_mack_pinnacle","2020_mack_pinnacle","2021_mack_pinnacle","2022_mack_pinnacle"]},{"make":"MACK","model":"TD","year_from":2018,"year_to":2019,"match":null,"vehicle_ids":[]},{"make":"MACK","model":"TE","year_from":2019,"year_to":2021,"match":null,"vehicle_ids":[]},{"make":"MACK","model":"TERRAPRO (LEU/MRU)","year_from":2018,"year_to":2019,"match":"base","vehicle_ids":["2018_mack_terrapro","2019_mack_terrapro"]},{"make":"MACK","model":"TERRAPRO (MRU)","year_from":2018,"year_to":2022,"match":"base","vehicle_ids":["2018_mack_terrapro","2019_mack_terrapro","2020_mack_terrapro","2021_mack_terrapro","2022_mack_terrapro"]},{"make":"MACK","model":"TERRAPRO (TE)","year_from":2018,"year_to":2018,"match":"base","vehicle_ids":["2018_mack_terrapro"]},{"make":"MACK","model":"TERRAPRO (TE)","year_from":2022,"year_to":2022,"match":"base","vehicle_ids":["2022_mack_terrapro"]},{"make":"MACK","model":"TITAN (TD)","year_from":2018,"year_to":2018,"match":null,"vehicle_ids":[]}],"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":[]}