Does the 2021 IC Bus Resb have any recalls?

3 recalls found in NHTSA data as of September 22, 2026, covering: structure, service brakes, air, fuel system, diesel. Recalls apply to the model and year; whether a particular vehicle is included, and whether it has been repaired, depends on its VIN.

How do I check if my 2021 IC Bus Resb recall has been fixed?

Enter your 17-character VIN at nhtsa.gov/recalls, or ask a IC Bus dealer. Recall repairs are free. NHTSA's VIN search doesn't list recalls that were already repaired.

How many complaints have owners filed about the 2021 IC Bus Resb?

0 complaints filed with NHTSA. Complaints are unverified reports from the public that NHTSA uses to decide what to investigate.

2021 IC Bus Resb recalls

Source: NHTSA data as of September 22, 2026. Last refreshed Sep 23, 2026, 2:43 AM UTC.

3 recalls found in NHTSA data as of September 22, 2026

For the 2021 IC Bus Resb. These apply to the model and year, not to one particular vehicle: check your VIN to see whether yours is included and whether it has been repaired.

Has your IC Bus been repaired?

Recalls here come from NHTSA’s records for the model and year. Not every vehicle of a model is included in every recall, and this site can’t see whether a repair has been done. Only a VIN lookup can tell you that.

Check your VIN with NHTSA

NHTSA’s VIN search doesn’t show recalls that were already repaired, recalls more than 15 years old, or some small manufacturers’ recalls. A IC Bus dealer can also check your VIN. Recall repairs are free.

2021 IC Bus Resb recalls, newest first

September 4, 2025NHTSA 25V580000457 vehicles potentially affected

Structure › Body

Summary: 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."
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.

This recall on nhtsa.gov

May 25, 2023NHTSA 23V37100019,376 vehicles potentially affected

Service brakes, air › Antilock › ABS warning light

Summary: 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."
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.

This recall on nhtsa.gov

May 19, 2021NHTSA 21V367000933 vehicles potentially affected

Fuel system, diesel › Fuel injection system › Fuel rail

Summary: Navistar, Inc. (Navistar) is recalling certain 2019-2021 IC Bus RE School Buses. The sealing washer may not seat correctly in the pilot bore holes, allowing the high pressure fuel rail assembly to leak.
Consequence: A fuel leak in the presence of an ignition source increases the risk of a fire.
Remedy: Dealers will inspect the rail threads, and replace the rail as necessary, free of charge. Owner notification letters were mailed on June 21, 2021. Owners may contact Navistar customer service at 1-800-448-7825.

This recall on nhtsa.gov

Owner complaints

No owner complaints about the 2021 IC Bus Resb were found in NHTSA’s complaint data.

Other IC Bus Resb years

Other 2021 IC Bus models

Most recalled 2021 vehicles

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All of 2021’s most recalled vehicles

Questions

Does the 2021 IC Bus Resb have any recalls?: 3 recalls found in NHTSA data as of September 22, 2026, covering: structure, service brakes, air, fuel system, diesel. Recalls apply to the model and year; whether a particular vehicle is included, and whether it has been repaired, depends on its VIN.
How do I check if my 2021 IC Bus Resb recall has been fixed?: Enter your 17-character VIN at nhtsa.gov/recalls, or ask a IC Bus dealer. Recall repairs are free. NHTSA's VIN search doesn't list recalls that were already repaired.
How many complaints have owners filed about the 2021 IC Bus Resb?: 0 complaints filed with NHTSA. Complaints are unverified reports from the public that NHTSA uses to decide what to investigate.