{"source":"nhtsa","country":"us","campaign":"26V261000","date":"2026-04-23","owner_notified":"2026-06-08","manufacturer":"Mack Trucks, Inc.","component":"SERVICE BRAKES, AIR:ANTILOCK:CONTROL UNIT/MODULE","summary":"Mack Trucks, Inc. (Mack) is recalling certain 2025-2027 Pioneer (4) and 2026-2027 Anthem (4) vehicles. The rear brake modulators may have unprotected electrical connectors that can short circuit and lead to a loss of the anti-lock brake system (ABS) and electronic stability control (ESC).","consequence":"A loss of anti-lock brakes and electronic stability control increases the risk of a crash or injury.","remedy":"Dealers will inspect the rear brake modulator electrical connectors, install a protective cover, and replace the rear brake modulators, as necessary, free of charge. Owner notification letters were mailed June 8, 2026. Owners may contact Mack's customer service at 1-800-866-1177. Mack's number for this recall is SC0494. Vehicle Identification Numbers (VINs) involved in this recall will be searchable on NHTSA.gov beginning April 30, 2026.","notes":null,"mfr_campaign":"SC0494","part_number":"24710104","units":2772,"completion":{"kind":"quarterly","report_number":2,"period_from":"2026-3","period_to":"2026-3","submitted":"2026-10-07","involved":2772,"remedied":1663,"unreachable":0,"removed":0,"remedied_percent":59,"as_of":"2026-10-19"},"do_not_drive":false,"park_outside":false,"notification":null,"french":null,"vehicles":[{"year":2026,"make":"MACK","model":"ANTHEM AN (4)","vehicle_id":"2026_mack_anthem","match":"base","built_from":"2025-07-08","built_to":"2026-04-21"},{"year":2027,"make":"MACK","model":"ANTHEM AN (4)","vehicle_id":"2027_mack_anthem","match":"base","built_from":null,"built_to":"2026-04-21"},{"year":2025,"make":"MACK","model":"PIONEER PR (4)","vehicle_id":"2025_mack_pioneer","match":"base","built_from":"2024-10-22","built_to":"2026-04-21"},{"year":2026,"make":"MACK","model":"PIONEER PR (4)","vehicle_id":"2026_mack_pioneer","match":"base","built_from":null,"built_to":"2026-04-21"},{"year":2027,"make":"MACK","model":"PIONEER PR (4)","vehicle_id":"2027_mack_pioneer","match":"base","built_from":null,"built_to":"2026-04-21"}],"may_apply":true,"as_of":"2026-10-19","lookup":{"nhtsa":"https://www.nhtsa.gov/recalls","tc":"https://wwwapps.tc.gc.ca/Saf-Sec-Sur/7/VRDB-BDRV/search-recherche/menu.aspx?lang=eng","maker":null},"attribution":[],"url":"https://open.wenmarpro.com/recalls/nhtsa/26V261000"}