NHTSA campaign 25V646000 · Manufacturer campaign 25517
IC Bus Recall 25V-646: Parking Brake May Unintentionally Activate
- Recall influenced by NHTSA's Office of Defects Investigation
NHTSA recall 25V646000 (Manufacturer campaign 25517) was reported by International Motors, LLC on September 25, 2025, with 11,952 vehicles potentially affected (per NHTSA). NHTSA's record lists the IC Bus Cesb for model years 2024–2026. Owners were notified on November 17, 2025, per NHTSA.
Updated daily from NHTSA's recall files
Is my vehicle included?
This page lists, by model year, the vehicles NHTSA's recall record names for campaign 25V646000 in the model years try.vin imports (1995 and later); NHTSA's own record can list more. A model year on the list doesn't mean every vehicle of that year is included, and some may already have been repaired.
To see whether a specific vehicle is included and still needs the repair, enter its VIN at nhtsa.gov/recalls.
Free VIN check: decode a VIN to see its year, make and model.
Key facts
- NHTSA campaign
- 25V646000 (also written 25V-646 or 25V646)
- Filed by
- International Motors, LLC
- Manufacturer campaign number
- 25517
- Report received
- Potentially affected
- 11,952 vehicles (per NHTSA)
- Component
- Parking Brake — Conventional — Air
- Owners notified
Repair completion: 72.4% (latest rate the manufacturer reported to NHTSA; dataset updated October 21, 2026)
NHTSA cautions against comparing completion rates across recalls or manufacturers. How try.vin reads them.
Vehicles listed for this recall
NHTSA's recall record lists these vehicles for recall 25V646000. try.vin imports model years 1995 and later, so NHTSA's own list can be longer. Model years with a try.vin recall page link to it. Build dates are NHTSA's range for a model year (per NHTSA); a vehicle built in that range is not necessarily included.
IC Bus
IC Bus Cesb
NHTSA's recall notice
As NHTSA's recall record states it for campaign 25V646000.
Defect description
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.
Safety consequence
Unintended activation of the parking brake while driving increases the risk of a crash.
Manufacturer 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.
Sources
Official NHTSA notice for recall 25V646000
Campaign details come from NHTSA's recall files, which try.vin imports once a day. The plain-language subject and the completion rate come from the U.S. Department of Transportation's Recalls Data dataset. How try.vin reads recall data.