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NHTSA campaign 25V503000 · manufacturer recall 25510

2016–2024 IC BUS Cesb: service brakes, hydraulic recall

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

critical Park outside 16,553 vehicles affected 65% reported repaired

What was reported

Source: manufacturer filing, 49 CFR Part 573
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. Risk An electrical short in the brake pressure switch can overheat the circuit and increase the risk of a fire while driving or parked. 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.

Reported to NHTSA Aug 6, 2025 by International Motors, LLC, owners notified Dec 15, 2025.

Which vehicles are covered

Source: NHTSA campaign 25V503000
Model yearOn WhichTrim
2016 IC BUS Cesb
2017 IC BUS Cesb
2018 IC BUS Cesb
2019 IC BUS Cesb
2020 IC BUS Cesb
2021 IC BUS Cesb
2022 IC BUS Cesb
2023 IC BUS Cesb
2024 IC BUS Cesb

None of the vehicles this campaign names has a page on WhichTrim: the catalogue covers the cars, trucks and SUVs the EPA certifies from 2016 on, and these vehicles fall outside it — older model years, or motorhomes, trailers, buses, motorcycles and chassis cabs the EPA does not rate. The campaign record above is complete as filed, and whether one specific vehicle is included is settled by its VIN. Other campaigns on vehicles without a page here →

How much of it has been fixed

Source: manufacturer quarterly report, 49 CFR 573.7
Reported repaired 65%

of the campaign

3 quarters into the six-quarter reporting window, and still climbing.

This is the manufacturer's own cumulative count of vehicles it has inspected and repaired, divided by the vehicles the campaign covers. It files that count with NHTSA every quarter for six consecutive quarters, starting from the quarter in which owners were told a remedy was ready, and then the obligation ends — so a figure on an older campaign is where the count stopped, not where it stands today.

It rarely reaches 100%, and not because the work was not done. The same report asks manufacturers to count vehicles they could not reach at all — exported, stolen, scrapped, or simply never located — and those stay in the denominator. A low number means a lot of these vehicles are still out there unrepaired; it does not tell you which ones.

The federal paperwork

Source: nhtsa.gov

Filed documents

  • Defect report PDF — The manufacturer's own filing to NHTSA describing the defect, the risk and the affected build range.

Check one specific vehicle

A recall applies to a build range, so year, make and model cannot settle it. NHTSA checks a VIN against the manufacturer's own list and tells you whether the repair is still outstanding on that vehicle.

NHTSA VIN recall lookup →

Campaign 25V503000 · the manufacturer calls it 25510

Own one, or run a fleet? Recall Watch checks each VIN against every new NHTSA campaign and emails you when one lands, this one's expansions included. Or take a free one-line alert by model year.

Common questions

Source: NHTSA, 49 CFR Part 573

What does this advisory mean?

Park outside means the vehicle can catch fire while parked and switched off, so it should be kept away from buildings and other vehicles until the repair is done. These are the two most serious things NHTSA can attach to a campaign, and both mean the risk exists while the vehicle is switched off.

Is 25510 the same recall as 25V503000?

Yes. 25510 is the number International Motors, LLC uses for this campaign in its own paperwork and in the letter it sends owners. 25V503000 is the number NHTSA files it under. One recall, two references — dealers and service departments generally quote the manufacturer's.

Does this recall repair cost anything?

No. Federal law requires the manufacturer to remedy a safety defect or a compliance failure at no charge, for vehicles up to 15 years old measured from the date of first sale. A dealer that asks you to pay for a recall repair is in the wrong.

How do I know whether my vehicle is included?

By VIN, not by model year. The manufacturer files a build range with NHTSA and only vehicles inside it are covered, so two identical-looking cars from the same year can differ. NHTSA's own lookup checks a VIN against the manufacturer's list.

What if the repair is not available yet?

It happens, and often. Manufacturers must notify owners when a defect is found even if the parts or the software are not ready, then notify them a second time once the remedy exists. The remedy filed for this campaign is described above.

What did the manufacturer say was wrong?

The problem, risk and fix quoted on this page are the manufacturer's own words as filed with NHTSA under 49 CFR Part 573. WhichTrim does not paraphrase them.

Who started this recall?

NHTSA's record credits the manufacturer. A recall can begin with the manufacturer's own testing, with a defect investigation, or with a compliance test against a Federal Motor Vehicle Safety Standard.