2023 Ic Bus Cesb Recalls

Recalls on record Updated July 2026

The 2023 Ic Bus Cesb has 17 NHTSA recall campaigns affecting an estimated 126,543 vehicles. Recall repairs are always free at any authorized dealer. Owners have filed 1 complaint with NHTSA, most often about the structure. Last updated July 5, 2026.

Recall campaigns

STRUCTURE 26V168000 2026-03-19 2,874 affected
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.…

Consequence

The body panels may separate during a crash, reducing structural integrity and increasing the risk of injury.

Remedy

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…

SERVICE BRAKES, HYDRAULIC 26V111000 2026-02-26 4,393 affected
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.

Consequence

A brake fluid leak can extend the distance required to stop, increasing the risk of a crash.

Remedy

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)…

EQUIPMENT 25V783000 2025-11-13 142 affected
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.

Consequence

An incorrect GVWR may lead to unintentionally overloading the bus, increasing the risk of a crash.

Remedy

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.

STRUCTURE 25V580000 2025-09-04 457 affected
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…

Consequence

Reduced structural integrity may increase the risk of injury in a crash.

Remedy

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 25V503000 2025-08-06 16,553 affected
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.

Consequence

An electrical short in the brake pressure switch can overheat the circuit and increase the risk of a fire while driving or parked.

Remedy

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…

SERVICE BRAKES, HYDRAULIC 23V398000 2023-06-02 15,398 affected
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.

Consequence

An electrical short in the brake pressure switch can overheat the circuit and increase the risk of a fire while driving or parked.

Remedy

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 BRAKES, AIR 23V371000 2023-05-25 19,376 affected
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…

Consequence

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.

Remedy

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 23V065000 2023-02-10 12,507 affected
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,…

Consequence

A school bus roof panel with insufficient joint strength may separate during a crash, increasing the risk of injury.

Remedy

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.

SUSPENSION 22V909000 2022-12-08 6,948 affected
Defect

Navistar, Inc. (Navistar) is recalling certain 2023 IC RE, IC EV, and 2023-2024 IC CE school buses. The fasteners that connect the transverse torque arm to the rear axle housing may have been tightened incorrectly, which can allow the rear axle to shift side to side.

Consequence

A rear axle that moves side to side can cause a loss of handling and control, increasing the risk of a crash. In addition, a loose rear axle may cause vehicle instability during an evacuation in an emergency, increasing the risk of injury.

Remedy

Dealers will replace and tighten the fasteners, free of charge. Owner notification letters are expected to be mailed February 6, 2023. Owners may contact Navistar's customer service at 1-800-448-7825. Navistar's number for this recall is 22527.

SUSPENSION 22V870000 2022-11-23 5,645 affected
Defect

Navistar, Inc. (Navistar) is recalling certain 2023 IC CE, EV, and RE vehicles. The hex flange lock nuts, used in the suspension and steering joints, were improperly heat treated and may lose tension over time.

Consequence

A loss of tension in the steering and suspension joints may lead to steering instability and increase the risk of a crash.

Remedy

Dealers will replace the hex flange lock nuts as necessary, free of charge. Owner notification letters are expected to be mailed January 20, 2023. Owners may contact Navistar's customer service at 1-800-448-7825. Navistar's number for this recall is 22525.

SUSPENSION 22V869000 2022-11-23 25,822 affected
Defect

Navistar, Inc. (Navistar) is recalling certain 2021-2022 International CV, 2022-2023 International HV, 2023 IC 1300 FBC, CE, RE, TC, International MV, HX, LT, RH, and LoneStar vehicles. The hex flange lock nuts, used in the suspension and steering joints, were improperly heat treated and may lose tension over time.

Consequence

A loss of tension in the steering and suspension joints may lead to steering instability and increase the risk of a crash.

Remedy

Dealers will replace the hex flange lock nuts as necessary, free of charge. Owner notification letters are expected to be mailed January 20, 2023. Owners may contact Navistar's customer service at 1-800-448-7825. Navistar's number for this recall is 22524.

FUEL SYSTEM, GASOLINE 22V872000 2022-11-23 196 affected
Defect

Navistar, Inc. (Navistar) is recalling certain 2023 IC CE vehicles. The fuel vapor line without the heat shield tubing may have been installed, exposing the line to heat from the exhaust system.

Consequence

Heat exposure may cause the line to leak, increasing the risk of a fire.

Remedy

Dealers will replace the fuel vapor line with heat shield tubing, free of charge. Owner notification letters are expected to be mailed January 20, 2023. Owners may contact Navistar's customer service at 1-800-448-7825. Navistar's number for this recall is 22526.

ENGINE AND ENGINE COOLING 22V610000 2022-08-10 33 affected
Defect

Navistar, Inc. (Navistar) is recalling certain 2023 IC CE School Buses. The engine control module (ECM) may experience an internal electrical short-circuit, causing the engine to stall.

Consequence

An unexpected engine stall can increase the risk of a crash.

Remedy

Cummins will replace the ECM. Owner notification letters were mailed September 26, 2022. Owners may contact Navistar's customer service at 1-800-448-7825.

STEERING 22V429000 2022-06-16 3,570 affected
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.

Consequence

A fractured steering gear can cause a loss of steering control, increasing the risk of a crash.

Remedy

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. …

STEERING 22V367000 2022-05-23 4,970 affected
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.

Consequence

A loose or detached steering wheel increases the risk of a crash.

Remedy

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. …

FORWARD COLLISION AVOIDANCE 22V283000 2022-04-27 337 affected
Defect

Navistar, Inc. (Navistar) is recalling certain 2022-2023 IC RE School Buses, and 2023 IC CE school buses built without a forward radar unit. The warning label notifying the driver that the collision mitigation system is inoperative may be missing.

Consequence

Failure to warn the driver that the collision mitigation system is inoperative increases the risk of a crash.

Remedy

Navistar will provide a warning label and installation instructions, free of charge. Owner notification letters were mailed June 14, 2022. Owners may contact Navistar customer service 1-800-4487825. Navistar's number for this recall is 22509.

ENGINE AND ENGINE COOLING 21V837000 2021-10-25 7,322 affected
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.

Consequence

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.

Remedy

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.

Complaints by component

STRUCTURE:BODY
1
Total complaints1

What owners report

Verbatim reports filed with NHTSA, lightly edited for readability and with personal information removed.

“The roof leaks in several areas. The water gets on the floor and seats increasing the chance that children will slip and fall on the wet floors and seats. This has been to the dealer more than once but the roofs still leak. We have more than one bus of the same age that leak”

STRUCTURE:BODY · reported 2025-05-05
Sources & methodology

Recall, complaint, and investigation records from official NHTSA datasets (FLAT_RCL, FLAT_CMPL, FLAT_INV), synced weekly. Counts reflect NHTSA records for the 2023 Ic Bus Cesb as of July 5, 2026. Complaint narratives are consumer-submitted and unverified. This page contains ads and affiliate links. Full methodology.