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IC Bus Cesb Recall 25V646: School Bus Parking Brake May Engage While Driving

NHTSA campaign 25V646, reported September 25, 2025, 11,952 vehicles potentially affected.

What this recall means for you

On certain 2024-2026 IC Bus CESB school buses, a tire can rub against the air dryer discharge line. This can damage the line and cause an air leak, which may unintentionally activate the parking brake.

When the parking brake engages while the bus is being driven, the risk of a crash increases. Owners should take this recall seriously and have their bus checked promptly.

Authorized IC Bus dealers will inspect the air lines and replace or reroute them as needed, at no cost to you. Owner notification letters were mailed November 17, 2025. You can contact International customer service at 1-800-448-7825 (recall number 25517), and check your vehicle identification number for open recalls.

Check whether this recall is open on your vehicle

The repair is normally free at an authorized dealer.

Official recall notice

Safety recall 25V646International Motors, LLC
Component
PARKING BRAKE:CONVENTIONAL:AIR
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.
Risk
Unintended activation of the parking brake while driving increases the risk of a crash.
Remedy
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.

Affected vehicles

IC Bus Cesb202420252026