{"vehicle":{"id":"2026_mack_pioneer","year":2026,"make":"Mack","model":"Pioneer"},"may_apply":true,"as_of":{"us":"2026-10-19","ca":"2026-10-19"},"recalls":[{"source":"nhtsa","country":"us","campaign":"26V631000","date":"2026-10-01","manufacturer":"Mack Trucks, Inc.","component":"STRUCTURE:BODY:BUMPERS:ACTIVE SHUTTERS/GRILL; STRUCTURE:EXTERIOR TRIM","summary":"Mack Trucks, Inc. (Mack) is recalling certain 2026-2027 Anthem AN (4) and 2025-2027 Pioneer PR (4) vehicles. The intake and grille bezels may detach from the vehicle.","mfr_campaign":"SC0501","units":3096,"do_not_drive":false,"park_outside":false,"notification":null,"match":"base","models":["PIONEER PR (4)"],"built_from":"2024-10-22","built_to":"2026-09-18","url":"https://open.wenmarpro.com/recalls/nhtsa/26V631000"},{"source":"nhtsa","country":"us","campaign":"26V620000","date":"2026-09-28","manufacturer":"Mack Trucks, Inc.","component":"SERVICE BRAKES, ELECTRIC:SOFTWARE/PROGRAMMING","summary":"Mack Trucks, Inc. (Mack) is recalling certain 2026-2027 Anthem AN (4) and Pioneer PR (4) vehicles equipped with a tanker application package. Inaccurate axle load calculations may cause reduced braking performance while transporting smoothbore tanker trailers.","mfr_campaign":"SC0500","units":850,"do_not_drive":false,"park_outside":false,"notification":null,"match":"base","models":["PIONEER PR (4)"],"built_from":"2025-02-24","built_to":"2026-09-11","url":"https://open.wenmarpro.com/recalls/nhtsa/26V620000"},{"source":"tc","country":"ca","campaign":"2026265","date":"2026-05-29","manufacturer":null,"component":"Wheels","summary":"Issue:\nOn certain trucks, the wheel nut(s) could loosen and cause the wheel(s) to detach.\n\nSafety Risk:\nA wheel separation could cause a loss of control and increase the risk of a crash. Additionally, a wheel that separates could create a road hazard for others.\n\nCorrective Actions:\nTo reduce the safety risk, Mack advises you not to drive your truck until the recall repairs have been completed. Mack will notify owners by mail and advise you to contact a dealership to arrange for an inspection of the wheels and hubs. Any damaged parts will be replaced.","mfr_campaign":"SC0495","units":71,"do_not_drive":null,"park_outside":null,"notification":"Safety Mfr","match":"exact","models":["PIONEER"],"built_from":null,"built_to":null,"url":"https://open.wenmarpro.com/recalls/tc/2026265"},{"source":"nhtsa","country":"us","campaign":"26V351000","date":"2026-05-28","manufacturer":"Mack Trucks, Inc.","component":"WHEELS:LUGS/NUTS/BOLTS/STUDS","summary":"Mack Trucks, Inc. (Mack) is recalling certain 2026 Anthem (AN), 2026-2027 Pioneer PR (4), Pinnacle (PI/PN), Granite (GR), and 2027 Anthem AN (4) vehicles. The wheel lug nuts may loosen and allow the wheel to detach.","mfr_campaign":"SC0495","units":644,"do_not_drive":true,"park_outside":false,"notification":null,"match":"base","models":["PIONEER PR (4)"],"built_from":"2025-07-18","built_to":"2026-05-01","url":"https://open.wenmarpro.com/recalls/nhtsa/26V351000"},{"source":"tc","country":"ca","campaign":"2026204","date":"2026-04-23","manufacturer":null,"component":"Brakes","summary":"Issue:\nOn certain trucks, the connector(s) for the rear brake modulator(s) may not have proper wiring protection. As a result, the rear brake modulator(s) could short circuit and cause a loss of antilock braking system (ABS) and electronic stability control (ESC).\n\nSafety Risk:\nA loss of ABS and ESC could increase the risk of a crash.\n\nCorrective Actions:\nMack will notify owners by mail and advise you to take your truck to a dealership to inspect and, if necessary, replace the rear brake modulator(s). The dealer will also install a cover on the connector(s).","mfr_campaign":"SC0494","units":389,"do_not_drive":null,"park_outside":null,"notification":"Safety Mfr","match":"exact","models":["PIONEER"],"built_from":null,"built_to":null,"url":"https://open.wenmarpro.com/recalls/tc/2026204"},{"source":"nhtsa","country":"us","campaign":"26V261000","date":"2026-04-23","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).","mfr_campaign":"SC0494","units":2772,"do_not_drive":false,"park_outside":false,"notification":null,"match":"base","models":["PIONEER PR (4)"],"built_from":null,"built_to":"2026-04-21","url":"https://open.wenmarpro.com/recalls/nhtsa/26V261000"},{"source":"tc","country":"ca","campaign":"2026154","date":"2026-04-01","manufacturer":null,"component":"Lights And Instruments","summary":"Issue:\nOn certain trucks, a software problem could cause the trailer turn signal lights not to work when towing.\nNote: This problem would cause an error message to display on the instrument panel.\n\nSafety Risk:\nTurn signals that don't work may cause a person not to recognize when a driver intends to turn or change lanes and could increase the risk of a crash.\n\nCorrective Actions:\nTo reduce the safety risk, Mack advises you to test the trailer turn signals before driving, until the recall repairs are completed. Mack will notify owners by mail and advise you to take your truck to a dealership to update the vehicle software.","mfr_campaign":"SC0493","units":11,"do_not_drive":null,"park_outside":null,"notification":"Compliance Mfr","match":"exact","models":["PIONEER"],"built_from":null,"built_to":null,"url":"https://open.wenmarpro.com/recalls/tc/2026154"},{"source":"nhtsa","country":"us","campaign":"26V207000","date":"2026-04-01","manufacturer":"Mack Trucks, Inc.","component":"EXTERIOR LIGHTING:TURN SIGNAL","summary":"Mack Trucks, Inc. (Mack) is recalling certain 2025-2027 Pioneer (4) and 2027 Anthem (4) trailers. The trailer turn signals may not function properly. As such, these vehicles fail to comply with the requirements of Federal Motor Vehicle Safety Standard number 108, \"Lamps, Reflective Devices, and Associated Equipment.\"","mfr_campaign":"SC0493","units":86,"do_not_drive":false,"park_outside":false,"notification":null,"match":"base","models":["PIONEER PR (4)"],"built_from":"2024-10-24","built_to":"2026-02-26","url":"https://open.wenmarpro.com/recalls/nhtsa/26V207000"},{"source":"tc","country":"ca","campaign":"2025642","date":"2025-11-20","manufacturer":null,"component":"Accessories","summary":"Issue:\nOn certain trucks, the load lock clamps installed behind the cab could fail. As a result, the load lock bars could become loose and separate from the truck.\n\nSafety Risk:\nA load lock bar that separates could create road hazard for others and increase the risk of a crash or injury.\n\nCorrective Actions:\nMack will notify owners by mail and advise you to take your truck to a dealership to replace the load lock clamps.","mfr_campaign":"SC0489","units":34,"do_not_drive":null,"park_outside":null,"notification":"Safety Mfr","match":"exact","models":["PIONEER"],"built_from":null,"built_to":null,"url":"https://open.wenmarpro.com/recalls/tc/2025642"},{"source":"tc","country":"ca","campaign":"2025640","date":"2025-11-20","manufacturer":null,"component":"Lights And Instruments","summary":"Issue:\nOn certain trucks, the automatic high beams may not switch to low beams automatically. As a result, the trucks may not meet certain requirements of Canadian regulations.\n\nSafety Risk:\nHigh beams that stay on could cause glare for oncoming drivers and increase the risk of a crash.\n\nCorrective Action:\nTo reduce the safety risk, Mack recommends you switch manually between the low beams and high beams until the recall repairs have been completed. Mack will notify owners by mail and advise you to take your vehicle to a dealership to update the vehicle software.","mfr_campaign":"SC0488","units":46,"do_not_drive":null,"park_outside":null,"notification":"Compliance Mfr","match":"exact","models":["PIONEER"],"built_from":null,"built_to":null,"url":"https://open.wenmarpro.com/recalls/tc/2025640"},{"source":"nhtsa","country":"us","campaign":"25V803000","date":"2025-11-20","manufacturer":"Mack Trucks, Inc.","component":"EXTERIOR LIGHTING:LIGHTING CONTROL MODULE:SOFTWARE","summary":"Mack Trucks, Inc. (Mack) is recalling certain 2026 Anthem (4) and 2025-2026 Pioneer vehicles. The automatic high beams (AHB) may not switch to low beam headlights as intended.  As such, these vehicles fail to comply with the requirements of Federal Motor Vehicle Safety Standard number 108, \"Lamps, Reflective Devices, and Associated Equipment.\"","mfr_campaign":"SC0488","units":247,"do_not_drive":false,"park_outside":false,"notification":null,"match":"base","models":["PIONEER PR (4)"],"built_from":null,"built_to":"2025-11-03","url":"https://open.wenmarpro.com/recalls/nhtsa/25V803000"},{"source":"nhtsa","country":"us","campaign":"25V801000","date":"2025-11-20","manufacturer":"Mack Trucks, Inc.","component":"EQUIPMENT:MECHANICAL","summary":"Mack Trucks, Inc. (Mack) is recalling certain 2025-2026 Pioneer vehicles. The load lock clamps, located on the back of the cab, may loosen and cause the load lock bars to become unsecured.","mfr_campaign":"SC0489","units":46,"do_not_drive":false,"park_outside":false,"notification":null,"match":"base","models":["PIONEER PR (4)"],"built_from":null,"built_to":"2025-10-16","url":"https://open.wenmarpro.com/recalls/nhtsa/25V801000"},{"source":"nhtsa","country":"us","campaign":"25V622000","date":"2025-09-18","manufacturer":"Mack Trucks, Inc.","component":"EXTERIOR LIGHTING:LIGHTING CONTROL MODULE","summary":"Mack Trucks, Inc. (Mack) is recalling certain 2025-2026 Pioneer vehicles. When towing a trailer, the trailer lights may fail to illuminate due to an improperly manufactured body control module.","mfr_campaign":"SC0484","units":156,"do_not_drive":false,"park_outside":false,"notification":null,"match":"base","models":["PIONEER PR (4)"],"built_from":null,"built_to":"2025-09-05","url":"https://open.wenmarpro.com/recalls/nhtsa/25V622000"},{"source":"nhtsa","country":"us","campaign":"25V521000","date":"2025-08-11","manufacturer":"Mack Trucks, Inc.","component":"STEERING","summary":"Mack Trucks, Inc. (Mack) is recalling certain 2025 Anthem and 2025-2026 Pioneer vehicles. The dynamic steering and oversteer guidance feature may malfunction and cause a loss of steering control.","mfr_campaign":"SC0483","units":32,"do_not_drive":false,"park_outside":false,"notification":null,"match":"base","models":["PIONEER PR (4)"],"built_from":"2025-02-24","built_to":"2025-06-23","url":"https://open.wenmarpro.com/recalls/nhtsa/25V521000"}],"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":["Contains information licensed under the Open Government Licence – Canada."]}