Recall 25V-503: 2016–2024 IC Bus Cesb

International Motors, LLC recall for service brakes, hydraulic, reported to NHTSA on Aug 6, 2025, covering about 16,553 vehicles.

Park outside and away from buildings until the repair is done, because of fire risk.
NHTSA number
25V-503
Report date
Aug 6, 2025
Vehicles affected
16,553
Owners notified
Dec 15, 2025

The problem

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.

The risk

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

The fix

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 details

ManufacturerInternational Motors, LLC
ComponentService Brakes, Hydraulic › Fluid
Recall started bythe manufacturer
NHTSA campaign number25V503000

Vehicles in this recall

VehicleModel years
IC Bus Cesb2016, 2017, 2018, 2019, 2020, 2021, 2022, 2023, 2024All years

Not every vehicle of these model years is included. Enter your VIN at nhtsa.gov/recalls ↗ or ask a dealer.

Frequently asked questions

What is recall 25V-503?

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.

How is recall 25V-503 fixed?

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.

Is the recall repair free?

Yes. Safety recall repairs are free at authorized dealers. Check whether your vehicle is included with its VIN at nhtsa.gov/recalls.