Conventional: airRecall 25V-646 · 2024–2026 Ic Bus Cesb

International Motors, LLC recall 25V-646 covers 11,952 2024–2026 Ic Bus Cesb for a conventional: air problem, reported to NHTSA on September 25, 2025. The manufacturer's latest report (2026 Q3) shows 83% of affected vehicles repaired.

83%
Vehicles repaired9,889 of 11,952 · 2026 Q3
Vehicles affected11,9521 model
ReportedSep 25, 2025Owners notified Nov 17, 2025
Complaints since0Same system, after the recall

Source: NHTSA recall 25V646000 and manufacturer quarterly reports. Started by an NHTSA defect investigation.

What's wrong

The problem

International Motors, LLC (International) is recalling certain 2024-2026 IC Bus CESB school buses. A tire may contact and damage the air dryer discharge line, causing an air leak and the unintentional activation of the parking brake.

The risk

Unintended activation of the parking brake while driving increases the risk of a crash.

What to do

The fix

Dealers will inspect, replace, and reroute the lines as necessary, free of charge. Owner notification letters were mailed November 17, 2025. Owners may contact International customer service at 1-800-448-7825. International's number for this recall is 25517.

Recall repairs are free. Confirm whether this recall is open on your vehicle by entering its VIN at nhtsa.gov/recalls.

Repair progress

How fast cars are being fixed

83%repaired

Share of affected vehicles repaired in each quarterly report the manufacturer filed with NHTSA.

0%50%100%2025 Q42026 Q3
1 model

Vehicles in this recall

Built from May 31, 2023 to September 4, 2025. Not every vehicle in these model years is included; check by VIN.