2027 Ic Bus Cesb problems, complaints & recalls
Safety recalls (6)
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.
Equipment Adaptive/Mobility:wheelchair Restraints/Securement:critical Fasteners 2026-06-04 · campaign 26V364000 · 71 vehicles
Defect: International Motors, LLC (International) is recalling certain 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, free of charge. Owner notification letters were mailed July 13, 2026. Owners may contact International's customer service at 1-800-448-7825. International's number for this recall is 26508.
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.
Service bulletins (13)
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 2026-06-15 · 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 2026-04-23 · IK2600255 · Service Bulletin/Repair Instructions
this document provides guidance for assessing the feasibility of implementing a customer-requested change to an engine or vehicle parameter/feature. customer requested changes will be approved in accordance with the requirements specified in 40 cfr part 1037 to ensure continued compliance with green
Lane Departure: Warning 2026-03-24 · IK0800691 · Service Bulletin/Repair Instructions
this document is intended to inform dealers, technicians, parts departments, and customers of a change made to radio software to support updated collision mitigation, lane departure warning (ldw), and blind spot monitoring systems. if replacing the radios on the vehicles described below, the radio e
Engine 2026-02-05 · IK2600090 · Other
new carb idle reduction change request
Electrical System 2026-02-03 · IK4300035 · Service Bulletin/Repair Instructions
this tool is designed to compare diamond logic feature data across multiple vehicle configuration files. it allows users to quickly load files either manually or directly from the diamond logic builder vehicles folder using vin-based selection. as files are added or removed, the comparison runs auto
Engine 2026-01-26 · IK2600255 · Other
this document provides guidance for assessing the feasibility of implementing a customer-requested change to an engine or vehicle parameter/feature. customer requested changes will be approved in accordance with the requirements specified in 40 cfr part 1037 to ensure continued compliance with green
Showing the 6 most recent of 13 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.