Model year record

2021 IC BUS Cesb

4 recall campaigns on file for this model year. 8 owner complaints on file.

Recalls

Recall campaignNHTSA 25V580000

Structure: body

Component
Structure: body
Manufacturer
International Motors, LLC
Vehicles affected
457
Reported to NHTSA
2025-09-04
Owners notified
2025-12-08

Defect description

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."

Safety risk

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

Manufacturer 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.

Recall campaignNHTSA 25V503000

Service brakes, hydraulic: fluid

Component
Service brakes, hydraulic: fluid
Manufacturer
International Motors, LLC
Vehicles affected
16,553
Reported to NHTSA
2025-08-06
Owners notified
2025-12-15

Defect description

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.

Safety risk

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

Manufacturer 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 for this recall is 25510. Vehicles previously repaired under 23V398 will need to have the new remedy completed.

Recall campaignNHTSA 23V398000

Service brakes, hydraulic: fluid

Component
Service brakes, hydraulic: fluid
Manufacturer
Navistar, Inc.
Vehicles affected
15,398
Reported to NHTSA
2023-06-02
Owners notified
2023-09-29

Defect description

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.

Safety risk

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

Manufacturer 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 at 1-800-448-7825. Navistar's number for this recall is 23518.

Recall campaignNHTSA 21V837000

Engine and engine cooling: engine: engine control module (ECU/ECM)

Component
Engine and engine cooling: engine: engine control module (ECU/ECM)
Manufacturer
Navistar, Inc.
Vehicles affected
7,322
Reported to NHTSA
2021-10-25
Owners notified
2022-01-18

Defect description

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.

Safety 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.

Manufacturer 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.

Owner complaints

A complaint is one person's report to a federal agency. It is not a finding.

ComponentComplaintsMedian mileage
Engine4
Fuel/propulsion system2
Unknown or other2

The 2020 model has 4 times as many complaints as this one. The 2022 model has about half as many complaints as this one. These figures reflect raw complaint counts, not failure rates. Higher-selling model years naturally receive more complaints.

Safety recall repairs are provided free of charge by franchised dealers, regardless of vehicle age or mileage. This page displays aggregated data for the model year. To check recall status for a specific vehicle, search its VIN at nhtsa.gov.