Ic Bus Cesb, Ic Bus Ev, Ic Bus Resb, model years 2023 to 2024. Filed by Navistar, Inc. and reported to NHTSA on 8 December 2022. 6,948 vehicles potentially affected.
What the notice says 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.
Is your vehicle included? Check with your VIN at NHTSA, or ask a dealer. This page is an independent copy of the notice, kept so you can see what changed after it was published. It is not the authority, and the authority’s own text is the one to act on.
Navistar's own number for this recall: 22527. That is the number on the owner letter and on the dealer paperwork. 22V909 is the number NHTSA gave the same campaign, and the number this page is filed under. They are one recall, written two ways.
What owners ask about this recall
- Which vehicles does recall 22V909 cover?
- Ic Bus Cesb, Ic Bus Ev, Ic Bus Resb, model years 2023-2024.
- What is wrong with them?
- 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.
- What can happen if it is not put right?
- 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.
- Is there a fix yet?
- Yes, and it is free. 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.
- What should I do now?
- Check your own vehicle by its VIN with NHTSA, which is the record to act on. Navistar calls this recall 22527, which is the number on the owner letter and the dealer paperwork.
Answered from the register this site holds. NHTSA is the record to act on.
What the authority says can happen if this is not fixed: “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.”
affected
in the notice
caught
| Campaign | 22V909 |
|---|---|
| Filed by | Navistar, Inc. |
| System at fault | Suspension:Multiple Axle:Torque Arm |
| Reported to NHTSA | 8 December 2022 |
| Model years | 2023-2024 |
| Vehicles named | IC BUS CESB, IC BUS EV, IC BUS RESB |
What the notice says today
The 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.
The 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.
What it said before
This campaign is in the register but not yet in the dated wording archive, so we cannot yet say whether its text has moved. It enters the archive on the next pass.
This is one of 732 notices in the record whose component field names suspension. Across that group the median wait before owners were written to was 33 days.
Last checked . No change has been recorded in the wording.
The same recall in other countries
This campaign carries a manufacturer code that also appears in another country’s register, which means the same defect was recalled there too.
- Canada: Transport Canada recall 2020237, recorded 29 May 2020 (3 years before the American filing)
Matched on 22527, the manufacturer’s own number for this campaign, which is the only field the registers share. Exact match, nothing paired on brand and date. The two dates are adjacent instruments rather than the same one, so a difference of a day or two means nothing.
How often the two countries file on the same day · The European alerts
The models named here, across their whole recall history
- Ic Bus Cesb recalls: 60 US campaigns
- Ic Bus Ev recalls: 5 US campaigns
- Ic Bus Resb recalls: 27 US campaigns
How to cite this record
Quoting the wording on this page means quoting a version, so the date belongs in the citation:
CarsMultiverse, recall 22V909, wording as read on 16 September 2026. https://carsmultiverse.com/recall/22v909/
The cross-border matches used on this site are deposited as a citable dataset: doi:10.5281/zenodo.22087136. The recall wording itself is published by the national authority named above and is theirs, not ours.
The recall record and its wording are published by the US National Highway Traffic Safety Administration and are US Government public domain. The dated archive, the comparison and any before-and-after above are CarsMultiverse. How fresh every engine behind this page is, is public on the status page. To check a specific vehicle, use NHTSA’s own VIN lookup.
Other Navistar notices we hold
- 24V750: 2024-2025 IC Bus EVSB and 2024-2025 CESB school buses
- 24V735: 2025 International CV
- 24V734: 2025 International HX and International LT
- 24V556: 2025 International HV, HX, LT, MV, and RH
- 24V463: 2025 IC Bus CE school buses
- 24V462: 2025 International HV, LT, MV, and RH trucks
- 24V375: 2024-2025 IC Bus CE school buses
- 24V341: 2024-2025 IC Bus CE SBUS school buses equipped with Intellipark Park Valve Modules (PVM)
All 179 Navistar campaigns we hold · Every manufacturer in the record
The fingerprint of this notice
We take a SHA-256 of each of the three blocks of text the authority publishes and keep the first eight characters. As we last read campaign 22V909 on 23 August 2026, they were:
- Defect summary
5716f2df - Consequence
bdb4515d - Remedy
9840f050
We first read this notice on 21 August 2026. It has not moved since. If it ever does, these characters will not match, and the change will be dated here.
The wording we hold for 22V909 · how the whole register is watched
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