2024 Ic Bus Evsb problems, complaints & recalls
Safety recalls (4)
Electrical System:wiring:switches/Knobs/Buttons 2026-04-09 · campaign 26V226000 · 1,896 vehicles
Defect: International Motors, LLC (International) is recalling certain 2022-2027 IC Bus EVSB school buses. The high voltage disconnect switch may fail to shut off power to the battery.
Risk: Switch failure may lead to unintentionally working on an energized high voltage battery, increasing the risk of injury or death by electrical shock.
Fix: Dealers will repair the high voltage disconnect connector bypass circuit, 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 26505. Vehicle Identification Numbers (VINs) involved in this recall will be searchable on NHTSA.gov beginning June 1, 2026.
Service Brakes, Air:disc:caliper 2024-10-02 · campaign 24V750000 · 1,216 vehicles
Defect: Navistar, Inc. (Navistar) is recalling certain 2024-2025 IC Bus EVSB and 2024-2025 CESB school buses. The brake caliper mounting bolts may not have been properly tightened, allowing the brake caliper to detach from the anchor plate.
Risk: A detached brake caliper can cause a loss of braking ability, increasing the risk of a crash.
Fix: Navistar will inspect, tighten, and replace any missing bolts as necessary, free of charge. Owner notification letters were mailed November 4, 2024. Owners may contact Navistar Customer Service at 800-448-7825. Navistar's number for this recall is 24513.
Electrical System:12v/24v/48v Battery:cables 2024-01-18 · campaign 24V027000 · 20 vehicles
Defect: Navistar, Inc. (Navistar) is recalling certain 2024 IC EV school buses. The high voltage positive cables that connect the battery packs to the manual service disconnects (MSD) may have been mislabeled.
Risk: A mislabeled electrical cable may be mistaken for a de-energized cable by a technician or first responder, increasing the risk of electrical shock and injury.
Fix: Dealers will inspect the high voltage cables and add white high voltage tape as necessary, free of charge. Owner notification letters were mailed February 05, 2024. Owners may contact Navistar customer service at 1-800-448-7825. Navistar's number for this recall is 24502.
Service Brakes, Air:antilock:abs Warning Light 2023-05-25 · campaign 23V371000 · 19,376 vehicles
Defect: Navistar, Inc. (Navistar) is recalling certain 2021-2024 IC Bus RE, 2022-2024 IC Bus CE, and IC Bus EV school buses. The anti-lock brake system (ABS) indicator light does not remain illuminated when a malfunction exists, and when the vehicle's ignition switch is on, and the vehicle is in motion. As such, these vehicles fail to comply with the requirements of Federal Motor Vehicle Safety Standard number 121, "Air Brake Systems."
Risk: An ABS indicator light that fails to remain illuminated will not alert the driver of an ABS malfunction, which could increase the risk of a crash.
Fix: Dealers will update the software, free of charge. Owner notification letters are expected to be mailed July 24, 2023. Owners may contact Navistar's customer service at 1-800-448-7825. Navistar's number for this recall is 23516.
Service bulletins (70)
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.
Electrical System 2026-10-01 · 26106 · Service Campaign
hvac control may experience shut off cycles during operation.
Electrical System 2026-09-25 · IK2300024 · Service Bulletin/Repair Instructions
ic bus® electric ce series and international® emv™ series vcu calibration release information
Electrical System 2026-08-05 · IK2300016 · Service Bulletin/Repair Instructions
this document will guide the user through diagnosing a failed high-voltage battery when there is a suspected concern indicated by symptom or fault code.
Electrical System 2026-07-27 · IK2300024 · Service Bulletin/Repair Instructions
ic bus® electric ce series and international® emv™ series vcu calibration release information
Electrical System 2026-07-07 · IK2300021 · Service Bulletin/Repair Instructions
this document will guide the user through information required to know before servicing air conditioning systems on an electric vehicle
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.
Showing the 6 most recent of 70 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.