2026 Ic Bus Cesb problems, complaints & recalls
Safety recalls (13)
Structure:body 2026-07-16 · campaign 26V460000 · 22,730 vehicles
Defect: International Motors, LLC (International) is recalling certain 2025-2027 IC Bus EVSB and CESB school buses. The driver's window panel and entrance door vertical joints may have been attached without sufficient epoxy coverage. As such, these vehicles fail to comply with the requirements of Federal Motor Vehicle Safety Standard (FMVSS) No. 221, "School Bus Body Joint Strength."
Risk: The body panels may separate during a crash, reducing structural integrity and increasing the risk of injury.
Fix: Dealers will install rivets along the driver's side window seam and entrance door seam, free of charge. Owner notification letters were mailed September 8, 2026. Owners may contact International's customer service at 1-800-448-7825. International's number for this recall is 26511.
Structure:critical Fasteners 2026-03-19 · campaign 26V168000 · 2,874 vehicles
Defect: International Motors, LLC (International) is recalling certain 2023-2027 IC Bus CESB and 2025-2027 IC Bus EVSB school buses. The body panel joint may have been attached without sufficient epoxy coverage. As such these vehicle fail to comply with the requirements of Federal Motor Vehicle Safety Standard (FMVSS) No. 221, "School Bus Body Joint Strength."
Risk: The body panels may separate during a crash, reducing structural integrity and increasing the risk of injury.
Fix: Dealers will inspect and repair the interior vertical joint as necessary, free of charge. Owner notification letters were mailed May 4, 2026. Owners may contact International's customer service at 1-800-448-7825. International's number for this recall is 26504. Vehicle Identification Numbers (VINs) involved in this recall will be searchable on NHTSA.gov beginning May 11, 2026.
Service Brakes, Hydraulic:foundation Components:hoses, Lines/Piping, And Fittings 2026-02-26 · campaign 26V111000 · 4,393 vehicles
Defect: International Motors, LLC (International) is recalling certain 2023-2027 IC Bus CESB school buses. The brake lines may have been installed with incorrect hardware, which can result in brake line damage and cause a leak.
Risk: A brake fluid leak can extend the distance required to stop, increasing the risk of a crash.
Fix: Dealers will inspect and replace the brake lines and brake line retainers as necessary, free of charge. Owner notification letters were mailed April 27, 2026. Owners may contact International's customer service at 1-800-448-7825. International's number for this recall is 26502. Vehicle Identification Numbers (VINs) involved in this recall will be searchable on NHTSA.gov beginning April 20, 2026.
Equipment Adaptive/Mobility:wheelchair Restraints/Securement:latch/Anchor: 2025-12-18 · campaign 25V879000 · 627 vehicles
Defect: International Motors, LLC (International) is recalling certain 2026-2027 IC Bus CESB school buses. The retractors may not lock, preventing the wheelchair from being properly secured.
Risk: An unsecured wheelchair can move during transit, increasing the risk of injury.
Fix: Dealers will inspect and replace the retractors as necessary, free of charge. Owner notification letters were mailed February 16, 2026. Owners may contact International's customer service at 1-800-448-7825. International's number for this recall is 25526. Vehicle Identification Numbers (VINs) involved in this recall will be searchable on NHTSA.gov beginning February 9, 2026.
Equipment:other:labels 2025-11-13 · campaign 25V783000 · 142 vehicles
Defect: International Motors, LLC (International) is recalling certain 2023-2027 IC Bus CESB school buses. While carrying the maximum number of occupants, the bus may exceed Gross Vehicle Weight Rating (GVWR) when the fuel tank and fluid reservoirs are full.
Risk: An incorrect GVWR may lead to unintentionally overloading the bus, increasing the risk of a crash.
Fix: Dealers will inspect and repair suspension as necessary, free of charge. Owner notification letters are expected to be mailed May 27, 2026. Owners may contact International customer service at 1-800-448-7825. International's number for this recall is 25523.
Power Train:automatic Transmission:internal:clutches/Bands:actuators/Solenoids 2025-10-15 · campaign 25V703000 · 1,671 vehicles
Defect: International Motors, LLC (International) is recalling certain 2026 IC Bus CESB school buses. The transmission shift actuator may not have been calibrated properly, preventing the transmission from shifting into reverse.
Risk: The school bus may be unable to move as needed on the road, increasing the risk of a crash.
Fix: Dealers will replace the shift actuator input shaft, free of charge. Owner notification letters were mailed December 8, 2025. Owners may contact International customer service at 1-800-448-7825. International's number for this recall is 25520.
Visibility:windshield Wiper/Washer 2025-09-25 · campaign 25V640000 · 4,778 vehicles
Defect: International Motors, LLC (International) is recalling certain 2026 IC Bus CESB school buses. The weld on the crank shaft assembly may fail, preventing the the left-side wiper from working.
Risk: An inoperative wiper can reduce the driver's ability to see out of the windshield, increasing the risk of a crash.
Fix: Dealers will inspect and replace the windshield wiper module, free of charge. Owner notification letters were mailed October 27, 2025. Owners may contact International customer service at 1-800-448-7825. International's number for this recall is 25515. Vehicle Identification Numbers (VINs) involved in this recall became searchable on NHTSA.gov on November 17, 2025.
Parking Brake:conventional:air 2025-09-25 · campaign 25V646000 · 11,952 vehicles
Defect: International Motors, LLC (International) is recalling certain 2024-2026 IC Bus CESB school buses. A tire may contact and damage the air dryer discharge line, causing an air leak and the unintentional activation of the parking brake.
Risk: Unintended activation of the parking brake while driving increases the risk of a crash.
Fix: Dealers will inspect, replace, and reroute the lines as necessary, free of charge. Owner notification letters were mailed November 17, 2025. Owners may contact International customer service at 1-800-448-7825. International's number for this recall is 25517.
Structure:body 2025-09-04 · campaign 25V580000 · 457 vehicles
Defect: International Motors, LLC (International) is recalling certain 2016-2026 IC Bus CESB and 2016-2021 RESB school buses. The underfloor reinforcement may not have been installed, compromising the structural integrity of the buses. As such, these vehicles fail to comply with the requirements of Federal Motor Vehicle Safety Standard (FMVSS) numbers 210, "Seat Belt Assembly Anchorages" and 222, "School Bus Passenger Seating and Crash Protection."
Risk: Reduced structural integrity may increase the risk of injury in a crash.
Fix: Dealers will inspect and install a reinforcement channel as necessary, free of charge. Owner notification letters were mailed December 8, 2025. Owners may contact International customer service at 1-800-448-7825. International's number for this recall is 25514.
Parking Brake 2025-08-12 · campaign 25V522000 · 3,230 vehicles
Defect: International Motors, LLC (International) is recalling certain 2024-2026 IC Bus CESB and 2025 EVSB school buses. The tension spring may corrode and break, disengaging the barking brake.
Risk: A parking brake that is not engaged as expected when the driver releases the brakes may allow the vehicle to rollaway, increasing the risk of crash.
Fix: Dealers will replace the parking brake cable and adjust the parking brake, free of charge. Owner notification letters were mailed October 6, 2025. Owners may contact International customer service at 1-800-448-7825. International's number for this recall is 25511.
Parking Brake 2025-05-15 · campaign 25V323000 · 7 vehicles
Defect: International Motors, LLC (International) is recalling certain 2025-2026 IC Bus CESB school buses. The parking brake can be released when the wheelchair platform lift is deployed. As such, these vehicles fail to comply with the requirements of Federal Motor Vehicle Safety Standard number 403, "Platform Lift Systems."
Risk: A bus that moves while the platform lift is in operation increases the risk of injury.
Fix: Dealers will replace the dash electronic control unit (DECU) module, free of charge. Owner notification letters were mailed June 16, 2025. Owners may contact International customer service at 1-800-448-7825. International's number for this recall is 25506.
Seat Belts:critical Fasteners 2025-04-22 · campaign 25V266000 · 964 vehicles
Defect: International Motors, LLC (International) is recalling certain 2025-2026 IC CESB and 2025 EVSB school buses. The driver's seat belt anchor bolt may come loose.
Risk: A loose seat belt may not properly restrain the driver in a crash, increasing the risk of injury.
Fix: Dealers will install spacers and tighten the seat belt anchor bolts, free of charge. Owner notification letters were mailed June 2, 2025. Owners may contact International customer service at 1-800-448-7825. International's number for this recall is 25504.
Exterior Lighting:headlights 2025-03-20 · campaign 25V176000 · 6,988 vehicles
Defect: International Motors, LLC (International) is recalling certain 2025-2026 IC Bus CESB school buses equipped with halogen headlights. When the high beams are activated, the low beams turn off. As such, these vehicles fail to comply with the requirements of Federal Motor Vehicle Safety Standard (FMVSS) number 108, "Lamps, Reflective Devices, and Associated Equipment."
Risk: Headlight low beam failure can reduce visibility, increasing the risk of a crash.
Fix: Dealers will update the body control module (BCM) software, free of charge. Owner notification letters were mailed April 28, 2025. Owners may contact International customer service at 1-800-448-7825. International's number for this recall is 25502.
Service bulletins (37)
Technical service bulletins are repair instructions manufacturers send dealers for known issues. Unlike recalls, the fix is not automatically free — but naming the bulletin at the service desk can save diagnosis time and support goodwill repairs.
Structure:body 2026-07-20 · IK2200156 · Service Bulletin/Repair Instructions
this document provides guidance for troubleshooting issues with the entrance door of the next gen ce bus. while the primary focus is on achieving a properly adjusted latching entrance door, it also includes additional helpful tips. please note that this document is not exhaustive and only addresses
Electrical System 2026-07-07 · 26102 · Service Campaign
this document will guide the user through installing 12v disconnect label to the battery door.
Structure:body 2026-06-15 · 26901 · Service Campaign
certain 2025 thru 2027 ic busâ„¢ ce series school buses and ic busâ„¢ electric ce series school buses entrance doors may fall out of adjustment over time and with use. a door that is not adjusted properly may result in an improperly closed door and trigger an open door warning light on the dashboard
Electrical System 2026-05-22 · 26101 · Service Campaign
certain international® trucks and ic bustm ce series buses may have out of date bcm programing that may cause erroneous fault codes after a vehicle sits for 2 or 3 days.
Structure:body 2026-05-20 · 26104 · Service Campaign
entrance door set screw may loosen over time and with use.
Structure:body 2026-05-04 · IK2200172 · Service Bulletin/Repair Instructions
this document will guide the user through adding a water deflector above the exterior entrance door switch for all next gen buses my2024 through my2026
Showing the 6 most recent of 37 bulletins. Search all of them free at nhtsa.gov.
What owners report
No detailed complaint narratives on file.
Excerpts of consumer complaints filed with NHTSA, lightly truncated. They are owner statements, not verified findings.