2023 IC BUS CESB — Problems, Recalls & Safety Data
N/A
Safety Rating
1
Owner Complaint
15
Recalls
13
Service Bulletins
0
Investigations
Overview of the 2023 IC BUS CESB
The 2023 IC BUS CESB has received a total of 1 safety complaint filed with the National Highway Traffic Safety Administration (NHTSA). There have been 18 recall campaigns affecting this vehicle, covering issues with SERVICE BRAKES, HYDRAULIC:FLUID, STRUCTURE:BODY. 13 technical service bulletins have been issued by International Motors, LLC for this model year. The most commonly reported problem area is the Structurebody (1 complaint).
Recalls for the 2023 IC BUS CESB
NHTSA has recorded 18 recalls for the 2023 IC BUS CESB, potentially affecting up to 151,080 vehicles.
Recall 25V503000 — SERVICE BRAKES, HYDRAULIC:FLUID
| 16,553 vehicles 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...
View full details →Recall 25V580000 — STRUCTURE:BODY
| 457 vehicles 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 Safety Standard (FMVSS) numbers 210, "Seat Belt Assembly Anchorages" and 222, "School Bus Passenger Seating...
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.
View full details →Recall 23V398000 — SERVICE BRAKES, HYDRAULIC:FLUID
| 15,398 vehicles 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...
View full details →Recall 23V371000 — SERVICE BRAKES, AIR:ANTILOCK:ABS WARNING LIGHT
| 19,376 vehicles 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 vehicles fail to comply with the requirements of...
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.
View full details →Recall 23V065000 — STRUCTURE:BODY:ROOF AND PILLARS
| 12,507 vehicles 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, "School Bus Body Joint Strength."
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.
View full details →Recall 22V909000 — SUSPENSION:MULTIPLE AXLE:TORQUE ARM
| 6,948 vehicles 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.
View full details →Recall 22V872000 — FUEL SYSTEM, GASOLINE:DELIVERY:HOSES, LINES/PIPING, AND FITTINGS
| 196 vehicles 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.
View full details →Recall 22V869000 — SUSPENSION:CRITICAL FASTENERS
| 25,822 vehicles 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.
View full details →Recall 22V869000 — STEERING:CRITICAL FASTENERS
| 25,822 vehicles 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.
View full details →Recall 22V870000 — SUSPENSION:CRITICAL FASTENERS
| 5,645 vehicles 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.
View full details →Recall 22V870000 — STEERING:CRITICAL FASTENERS
| 5,645 vehicles 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.
View full details →Recall 22V429000 — STEERING
| 3,570 vehicles 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...
View full details →Recall 22V610000 — ENGINE AND ENGINE COOLING:ENGINE:ENGINE CONTROL MODULE (ECU/ECM)
| 33 vehicles 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.
View full details →Recall 22V283000 — FORWARD COLLISION AVOIDANCE
| 337 vehicles 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.
View full details →Recall 22V283000 — EQUIPMENT:OTHER:LABELS
| 337 vehicles 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.
View full details →Recall 22V367000 — STEERING: STEERING WHEEL/HANDLE BAR
| 4,970 vehicles 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....
View full details →Recall 21V837000 — ENGINE AND ENGINE COOLING:ENGINE:ENGINE CONTROL MODULE (ECU/ECM)
| 7,322 vehicles 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.
View full details →Recall 25V783000 — EQUIPMENT:OTHER:LABELS
| 142 vehicles 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: The remedy is currently under development. Interim owner notification letters explaining the safety risk were mailed by December 22, 2025. Owners will receive another notice once remedy becomes available. Owners may contact International customer service at 1-800-448-7825. International's number for...
View full details →Owner Complaints for the 2023 IC BUS CESB
1 complaint has been filed with NHTSA for the 2023 IC BUS CESB. Below is a breakdown by vehicle component.
| Component | Complaints | Crashes | Fires | Injuries | Deaths |
|---|---|---|---|---|---|
| Structurebody | 1 | 0 | 0 | 0 | 0 |
Most Recent Complaints
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
Safety Rating for the 2023 IC BUS CESB
NHTSA has not yet tested the 2023 IC BUS CESB in its New Car Assessment Program.
Technical Service Bulletins for the 2023 IC BUS CESB
International Motors, LLC has issued 13 technical service bulletins (TSBs) for the 2023 IC BUS CESB. TSBs are notices sent by manufacturers to their dealers describing a known issue and the recommended repair procedure.
IK2200156 — STRUCTURE:BODY
This document provides guidance for troubleshooting issues with the entrance door.
IK2300021 — UNKNOWN OR OTHER
3/25/2025 - Updated service part numbers and addressed typos
IK0800672 — ELECTRICAL SYSTEM
Applies To: Units built 12/20/2022 - 11/11/2024 On the following models with Feature Codes: CE Bus- 0510234 LT RH- 001MBS & 0510234 LT RH- 008TRR or 0510234 & 001LRM or 001LRV or 001LRN or 001LRL
22519 — ENGINE AND ENGINE COOLING
In cold weather, especially during engine warmup, the engine may experience a misfire condition resulting in setting the Malfunction Indicator Lamp (MIL) and possible increase in emissions. Only models with Generation II PSI 8.8L LP engines.
22119 — EQUIPMENT:ELECTRICAL
Certain buses may have outdated radio software that could interfere with the operation of the Public Address (PA) external speakers.
22113 — ELECTRICAL SYSTEM
Certain Electric CE buses may have been built without the proper high voltage Identification labels
22509 — EQUIPMENT ADAPTIVE/MOBILITY
Certain 2022 and 2023 CE and RE school buses built with feature code 0008TXK or 0008TXM (Bendix Wingman Prewire option) may have been built without the warning label to notify the driver that the collision mitigation system is not operational, as
22509 — EQUIPMENT:OTHER:LABELS
Certain 2022 and 2023 CE and RE school buses built with feature code 0008TXK or 0008TXM (Bendix Wingman Prewire option) may have been built without the warning label to notify the driver that the collision mitigation system is not operational, as
22509 — FORWARD COLLISION AVOIDANCE
Certain 2022 and 2023 CE and RE school buses built with feature code 0008TXK or 0008TXM (Bendix Wingman Prewire option) may have been built without the warning label to notify the driver that the collision mitigation system is not operational, as
IK2300004 — POWER TRAIN
Electric vehicle enters no torque mode
Showing 10 of 13 technical service bulletins.
NHTSA Investigations for the 2023 IC BUS CESB
There are no NHTSA defect investigations on record for this vehicle.
Other Model Years of the IC BUS CESB
- 2018 IC BUS CESB — 0 complaints
- 2019 IC BUS CESB — 0 complaints
- 2020 IC BUS CESB — 0 complaints
- 2021 IC BUS CESB — 3 complaints
- 2022 IC BUS CESB — 6 complaints
- 2023 IC BUS CESB (current)
- 2024 IC BUS CESB — 0 complaints
- 2025 IC BUS CESB — 1 complaint
- 2026 IC BUS CESB — 0 complaints
- 2027 IC BUS CESB — 0 complaints
Other IC BUS Models
- IC BUS CE — 23 total complaints
- IC BUS PB105 — 11 total complaints
- IC BUS CASB — 4 total complaints
- IC BUS RESB — 4 total complaints
- IC BUS CE SBUS — 2 total complaints
- IC BUS BE — 1 total complaint
- IC BUS FECB — 1 total complaint
- IC BUS RE — 1 total complaint