2022 Ic Bus Cesb problems, complaints & recalls
Most-reported problem areas: Engine (3) · Engine And Engine Cooling:exhaust System (1) · Electrical System (1)
Safety recalls (9)
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.
Service Brakes, Hydraulic:fluid 2025-08-06 · campaign 25V503000 · 16,553 vehicles ⚠ PARK OUTSIDE
Defect: International Motors, LLC (International) is recalling certain 2016-2024 IC Bus CESB school buses. The brake pressure switch assembly may leak brake fluid into the brake pressure switch's electrical components and cause an electrical short-circuit.
Risk: An electrical short in the brake pressure switch can overheat the circuit and increase the risk of a fire while driving or parked.
Fix: Owners are advised to park outside and away from structures until the recall repair is complete. Dealers will install a silicone black jumper harness, free of charge. Owner notification letters were mailed December 15, 2025. Owners may contact International customer service at 1-800-448-7825. International's number for this recall is 25510. Vehicles previously repaired under 23V398 will need to have the new remedy completed.
Service Brakes, Hydraulic:fluid 2023-06-02 · campaign 23V398000 · 15,398 vehicles ⚠ PARK OUTSIDE
Defect: Navistar, Inc. (Navistar) is recalling certain 2016 and 2018-2024 IC Bus CE school buses. The brake pressure switch assembly may leak brake fluid into the brake pressure switch's electrical components and cause an electrical short-circuit.
Risk: An electrical short in the brake pressure switch can overheat the circuit and increase the risk of a fire while driving or parked.
Fix: Owners are advised to park outside and away from structures until the recall repair is complete. Dealers will replace the brake pressure switch assembly and if necessary, the wire harness or fuse, free of charge. Owner notification letters were mailed September 29, 2023. Owners may contact Navistar's customer service at 1-800-448-7825. Navistar's number for this recall is 23518.
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.
Structure:body:roof And Pillars 2023-02-10 · campaign 23V065000 · 12,507 vehicles
Defect: Navistar, Inc. (Navistar) is recalling certain 2022-2024 IC Bus CE, 2022-2023 IC CE SBus, IC RE, and 2023 EV school buses. The roof panel may have been manufactured with insufficient joint strength. As such, these vehicles fail to comply with the requirements of Federal Motor Vehicle Safety Standard number 221, "School Bus Body Joint Strength."
Risk: A school bus roof panel with insufficient joint strength may separate during a crash, increasing the risk of injury.
Fix: Dealers will add additional fasteners to secure the joints, free of charge. Owner notification letters are expected to be mailed April 3, 2023. Owners may contact Navistar's customer service at 1-800-448-7825. Navistar's number for this recall is 23501.
Steering 2022-06-16 · campaign 22V429000 · 3,570 vehicles
Defect: Navistar, Inc. (Navistar) is recalling certain 2022-2023 IC CE School Buses. The steering gears may have been assembled incorrectly, which can cause the gear to fracture.
Risk: A fractured steering gear can cause a loss of steering control, increasing the risk of a crash.
Fix: Dealers will inspect the steering gear serial numbers, and replace the steering gears as necessary, free of charge. Interim owner notification letters were mailed August 15, 2022. Remedy parts are expected to become available in mid-October 2022. Owners may contact Navistar customer service at 1-800-448-7825. Navistar's number for this recall is 22514.
Steering: Steering Wheel/Handle Bar 2022-05-23 · campaign 22V367000 · 4,970 vehicles ⚠ DO NOT DRIVE
Defect: Navistar, Inc. is recalling certain 2022-2023 IC CE, IC RE, and 2023 IC EV school buses. The steering wheel retaining nut may have been tightened incorrectly, which can allow the steering wheel to loosen and detach from the steering column shaft.
Risk: A loose or detached steering wheel increases the risk of a crash.
Fix: Owners are advised not to drive their vehicles until the repair has been performed. Dealers will remove the steering wheel nut, apply thread locker, and reinstall the nut, free of charge. Owner notification letters were mailed on May 25, 2022. Owners may contact Navistar, Inc. customer service at (331) 332-1590. Navistar's number for this recall is 22511.
Engine And Engine Cooling:engine:engine Control Module (Ecu/Ecm) 2021-10-25 · campaign 21V837000 · 7,322 vehicles
Defect: Navistar, Inc. (Navistar) is recalling certain 2020-2023 IC CE school buses. The engine control module (ECM) may set a fault code that results in an unexpected engine shut down.
Risk: Unexpected engine shut down can increase the risk of a crash. Additionally, a disabled school bus may require an evacuation procedure in an uncontrolled traffic situation, increasing the risk of injury to passengers.
Fix: Dealers will reprogram the ECM, free of charge. Owner notification letters notifying owners of the safety risk were mailed January 18, 2022. Owners may contact Navistar customer service at 1-800-448-7825. Navistar's number for this recall is 21507.
Structure:emergency:escape/Egress/Exit 2021-06-15 · campaign 21V450000 · 33 vehicles
Defect: Navistar, Inc. (Navistar) is recalling certain 2014 IC Bus CE, 2019 IC Bus CE, and 2022 IC Bus CE school buses. These buses are not equipped with enough emergency exits. As such, these vehicles fail to comply with the requirements of Federal Motor Vehicle Safety Standard number 217, "Bus Emergency Exits and Window Retention and Release."
Risk: A lack of emergency exits can delay passengers from exiting the vehicle during an emergency, increasing their risk of injury.
Fix: Dealers will install two additional emergency exit windows, free of charge. Owner notification letters were mailed on August 6, 2021. Owners may contact Navistar customer service at 1-800-448-7825. Navistar's number for this recall is 21506.
Service bulletins (99)
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.
Power Train 2026-08-20 · IK1201493 · Service Bulletin/Repair Instructions
the purpose of this article is to provide updated repair guidelines for the engine oil pan leak on all 8.8l gasoline and lpg engines. engine oil can leak from the rear of the engine oil pan due to an excessive gap in the sealing area between the engine oil pan and the engine block.
Electrical System 2026-07-07 · 26102 · Service Campaign
this document will guide the user through installing 12v disconnect label to the battery door.
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.
Power Train 2026-05-04 · IK1201493 · Service Bulletin/Repair Instructions
the purpose of this article is to provide updated repair guidelines for the engine oil pan leak on all 8.8l gasoline and lpg engines. engine oil can leak from the rear of the engine oil pan due to an excessive gap in the sealing area between the engine oil pan and the engine block.
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
Fuel/Propulsion System 2026-04-23 · IK1500105 · Service Bulletin/Repair Instructions
this document is for diesel buses my2020, my2021, my2022, my2023, and my2024 specifically built between 11/30/20 and 5/18/23 that are experiencing fuel leaks at the fuel tank cap for not being seated fully, and for my2024 and my2025 buses built between 1/2/24 and 9/19/25 for fuel necks being loose.
Showing the 6 most recent of 99 bulletins. Search all of them free at nhtsa.gov.
What owners report
2026-01-20 · Engine“engine exhaust head pipes before the catalytic converter melts down from excessive engine heat, creating a large exhaust hole. this is a school bus…”
2025-11-21 · Engine“the engine exhaust downpipe melted and cracked- creating a large exhaust pipe hole near the engine exhaust manifold. releasing exhaust gases and potential flames. this is a school bus and it happens frequently with this model. …”
2025-08-22 · Electrical System · 10,000 mi“the contact called on behalf of the owner of a 2022 ic bus cesb. the contact works as the district mechanic for the chase county schools district. the contact stated that while driving the bus on a rural road, the alarm buzzer sensor on the emergency exit windows activated independently. due to the rough conditions, the buzzer alarm activated. the …”
2025-05-15 · Engine And Engine Cooling:exhaust System“this is a school bus. exhaust down pipe from exhaust manifold melted down and created a large hole for fumes and potential fire from excessive heat/fuel issue in engine. …”
2025-05-09 · Engine“school bus- engine exhaust pipe from the exhaust manifold has melted from excessive heat in the system creating large hole for fumes and potential fire to escape. exhaust is inadequate for the heat levels from the engine or engine performance is misprogrammed to create excessive heat/fuel. widespread issue with many school buses in our fleet w…”
Excerpts of consumer complaints filed with NHTSA, lightly truncated. They are owner statements, not verified findings.